Did it ever happen to you to read an article about SEO and on the verge of your maximum concentration you stumble upon a term that you don’t quite know what it means?

Help your friends learn “SEOish”. Share it with them on

Either it’s a slang, a jargon or an expression used with a different meaning that we thought, at some point everyone is in the position of browsing several web pages to understand what was actually that term referring at.

So we created “The SEO Lingo”, maybe the most comprehensive and user-friendly glossary of SEO terms.

Now you don’t have to go from page to page in order to find the idiom you are looking for. We put them all together in a nice, organized list so you can easily access it any time you need it.


Alphabetic Navigation (or hit CTRL+F to quickly search for a word)

A B C D E F G I K L M N O P R S T U W #

As this kind of work is a perpetual process, we would be more than grateful if you’d suggest new terms that we could add to our list.

Share any “Undocumented” Term  here(and we will add it to the list)


ALT

ALT text is an alternative text associated with an image, used by web browser agents that cannot display graphics. Basically, alt text ensures that your web page is visible and accessible and no functionality is lost, even if the viewer has turned off images or uses a screen reader. Alt attribute is a description of an image in your site’s HTML. For instance, people with impaired vision can still interact with that image due to this feature.

Alexa

Alexa  is a subsidiary company of Amazon that provides traffic rankings based on the analysis of people who access the sites while using the Alexa toolbar. The accuracy of this data may be questioned due to the fact that the analysis is made only on the internet visitors that use the Alexa toolbar.

Algorithm

Heaven’s gates are closed. Google changed the algorithm!

Most likely referring to Google, the Google algorithm is the system that determines what sites rank for particular keywords. If you want to get a general idea as to what Google algorithms look for, you can refer to Google’s own How Search Works page.

Anchor Text

Anchor text refers to the word(s) that you use when you link to a page. Generally, the more links you have that have a specific anchor text, the higher your website will rank for them. At one time, Adobe Reader ranked number one for the words click here because so many people used those words as anchor text when linking to the free download.

Article marketing

Article Marketing is a link building strategy where you submit short pieces of content to article networks like EzineArticles, HubPages, Squidoo, and similar networks in order to gain backlink in the article itself or author bio. Many article networks were penalized when Google created an algorithm to judge the quality of content on a website. Some have recovered while others have not, making article marketing links lower quality.

Authority Links

Authority links are simply backlinks from a highly trusted website. Authority links would be those from major news networks (CNN, BBC, etc.), brands (Apple, Amazon, etc.), or any other authority site on the internet.

Backlink Analysis

Backlink Analysis is the process where you review the links to your website and to your competitors’ websites to determine the strongest links, weakest links, link types, link categories, and links you should go after next.

Backlink checker

Backlink checker – is a tool that determines how many backlinks are pointing to your website. It is important to keep track of the backlink numbers as they influence your search engine ranking overall.

Black Hat 

Black Hat SEO refers to aggressive search engine optimization that violates Google’s Webmaster Guidelines.

Broken Link Building

Broken Link Building  is a link building tactic in which you can contact a webmaster who has a broken link and recommend him/her various alternatives that can include the target site. This is considered to be a successful white hat technique of link building strategy with relevant results in markets with tick content and a dynamic community. Yet, didn’t generate good outcome for links relating to pure sales pages. This tactic should be advantageous for yourself but also for the web, as you replace lost or abandoned content with quality content.

Bounce rate

Bounce rate  represents the percentage of visits in which people leave your site from the entrance, without interacting with other pages. The bounce rate can measure the effectiveness of a site. A high bounce rate can be due to the content of your site but also due to usability issues or because the “netizens” found the information they needed on the first page.

Bread crumbs

Bread crumbs refers to links that are usually above the main content. They  have two main functions: allow the user to easily navigate on your site and also allow search engines to easily determine the structure of your site. An example of how breadcrumbs usually look like is this: Home >On line books >Gone with the wind > Chapter 2

Click fraud

Repetitively clicking on your own Internet Ad can lead to severe injuries.

Click fraud is an illegal practice that occurs when individuals, automated software or online bots are clicking on a pay per click advertising link with the purpose of generating a charge per click. Click fraud has generated a lot of controversy. Research on this matter shows that persons that make most use of click fraud are individuals who aim to increase their own ad banners incomes and companies who want to impair competitor’s budget.

 

Cloaking

Cloaking is a form of doorway page technique in which the content presented to the web crawler is different from the content delivered to the user’s browser. Cloaking is considered to be a violation of Google’s Guidelines as the user receives different content than he expected. Cloaking is often considered to be a black hat SEO technique because it tries to trick and manipulate the search engine index.

Code swapping

Code swapping  is a practice similar with cloaking that aims to change the content in a site after high ranking has been achieved to that site. Basically, the optimised page is switched with another, different from the original one in terms of content. Yet, on a re-index, the content that has been changed will be detected and another ranking algorithm will be applied. The use of this technique might lead to Google penalization.

Content Spam

Content Spam is a type of content generated with the purpose of manipulating search engine ranking.

Contextual advertising

Contextual advertising is a type of targeted advertising, relevant to the content, where ads are selected by automated systems and customized for each user. For example, if a user is visiting a site with online movies and that site uses contextual advertising, the user might be exposed to ads such as cinema tickets or DVD sellers. Being linked to the context, this type of advertising is more likely to be clicked and thereby, is likely to be a generator of generous income.

Conversion rate

Shortly, conversion rate refers to the number of potential online visitors that become “buyers” on a web site. “Buyers” can mean actually buying a product, filling out a form or subscribe to something on a site, depending on the web page’s goal. For example, if there are 100 visitors on a site that sells books and 5 of those visitors actually buy books from that site, then the conversion rate is 5%. The larger the conversion rate is, the more successful that site will be, usually.

CPC

CPC  is an abbreviation for Cost per Click and refers to the actual price you pay for each click in your pay per click campaign(PPC). CPC is important because it represents a form of interaction between a visitor and a company’s product and also determines the financial success of the paid campaigns.

CPM

The dilemma with “M” from “CPM” is solved.In the Roman numeral, M represents 1000.

CPM  is an acronym for Cost per Thousand. If you’re wondering where does the “M” from “CPM” coming from, you should know that in the Roman numeral M represents 1000. It is also referred as “cost per thousand impressions” and represents the cost paid by an advertiser for the display of 1000 (one thousand) impressions of a banner or other types of advertisement on a web page. CPM can also be a method to find out how profitable a website is or what potential has of becoming one. For instance, Facebook is the leader of the market in CPM niche.

CSS (Cascading Style Sheets)


CSS (Cascading Style Sheets) represents a mechanism of adding style to Web documents. Its main characteristic is that enables the separation between a document content and a document presentation in order to improve the accessibility and flexibility of a content. CSS includes elements such as fonts, colors, layout or spacing.Another usual use of CSS is for adjusting the display differently, depending on the device or the screen size that is used by the viewer.

Crawler

A crawler is a program, also known as a “spider” or a “bot” that systematically browses web sites and reads their pages and their content with the purpose of web indexing. In the context of SEO, crawlers are important for the determination of a site’s importance and ranking in the results of web searches for a specific keyword. Crawlers are very active and can visit a website several times a day, checking for updates. Maybe the most famous crawler is Google’s crawler, known as Googlebot.

Canonicalization

Yes, canonicalization can also make you a champion at Hangman.

Choosing a preferred URL for your website. For example, you may want to choose http://www.domain.com as your preferred domain and set your web server to redirect traffic from http://domain.com, http://domain.com/index.php, and other variations to http://www.domain.com. You can read more about this in the help section for Google Webmaster Tools.

Citation

Citations are listings for your business that designate it as a local business. Popular citation sources for local search marketing include Google+ Local, Bing Local, Yahoo Local, Yelp, Merchant Circle, and other local directories.

Click Through Rate (CTR)

The number of times people click on a link in search results vs. the number of impressions (times seen) in search results.

Competitor Analysis

Competitor Analysis (SEO) is the process of researching your competitors in search to determine the best on-site and off-site search optimization strategies they use to rank high.

Doorway page

Doorway page concept is often used in the context of black hat SEO and refers to poor quality pages that are optimized for a particular keyword or phrase. The purpose of a doorway page is to mislead the search engines and gain high ranking for certain sites. Basically, doorway pages redirect the visitors to other web pages without their knowledge, using a form of cloaking. They are also known as portal pages, gateway pages, entry pages or jump pages.

Duplicate content

Duplicate content  represents a block of content that is similar or identical within several domains. Although is not deceptive in origin, there are cases where content is duplicated with the purpose of manipulate search engine rankings. The main problem with duplicate content is that search engines don’t know which version is the original one and are forced to choose the version that is more likely to be the original. This usually leads to loss in terms of traffic and ranking for site owners and less relevant result for the search engines.

Dofollow / Nofollow

Dofollow / Nofollow – Nofollow is an attribute webmasters can use when linking to a website that tells search engines to essentially ignore the link. Social networks are notorious for using nofollow links when linking to external websites. Links without the nofollow attribute are referred to as dofollow.

Encrypted Search

Encrypted Search refers to the fact that Google encrypts searches that people do through a secure connection. In an encrypted search, the keyword data doesn’t pass through websites, thereby the users cannot be tracked. Also, a segmentation of the users by keywords within their analytics software cannot be done anymore. According to Google Webmaster Blog, “a web site accessed through organic search results on http://www.google.com (non-SSL) can see both that the user came from google.com and their search query. However, for organic search results on SSL search, a web site will only know that the user came from google.com. ” One of the effect of encrypted search is the increased quantity of not provided.

Exact Match Domains (EMD)

In SEO, EMD has nothing to do with Electro Motive Diesel .


Exact Match Domains are domains that use a particular keyword or phrase instead of a branded name. For example, seotools.com would be an EMD whereas cognitiveSEO.com is a branded domain. EMDs ranked well for a long time, but in 2012, Google released an update that lowered many EMDs rankings in search. There are still lots of EMDs that rank well for their keywords today, mostly based on whether or not they have quality content.

FFA

FFA  stands for “Free for all” and refers to websites that allow anyone to add a link pointing to their pages. FFA pages have no human intervention and they usually don’t weight much in search relevancy as they usually point to low quality website. For example, on a FFA page you can find a sport site listed between art museums and spatial engineering.

Frame

In the digital world, a frame is more than a fancy piece of a painting.

A frame is a part of a webpage that displays content independently of its container. This means that the elements that are in a frame may or may not come from the same web site as the other content elements. As a result of this, in terms of SEO, although the data in the main body, the header and footer appear intact, they actually are different files that when indexed by search engines are broken into pieces. For instance, search engines may see your home page as empty and will not index the content of your website at all.

Gateway page

Gateway page is the same as a doorway page.

Google Penalty

Google Penalty is considered when a website has broken Google Webmaster Guidelines, and Google penalizes it by lowering its rankings in search results for particular keywords or removing the website entirely from the index.

Google Panda

Google Panda is not a new type of asian bear.

Google Panda is the name of a series of Google algorithm updates that evaluate a website’s quality of content. Websites with low quality content and a high number of ads see a loss in search rankings when the algorithm is updated.

Google Penguin

Watch out, web spam! The penguin is coming for you!

Google Penguin is the name of a series of Google algorithm updates that evaluate a website’s use of off-site (some on-site) optimizations. Websites that use techniques such as unnatural linking, keyword stuffing (trying to optimize for too many keywords on one page), low-quality link building, spam link building, etc. saw a loss in search rankings.

Google bomb

The first known Google bomb returned Microsoft for the search“more evil than Satan himself”.

Google bomb  refers to the practice of making a group of keywords searched on diverse searching engines return a totally unexpected website. This can be made through the creation of numerous links to that websites’ page, including the searched keywords. This practice usually has humorous purposes but is also used to share a political or social ideology or to drive traffic to a business. The first known Google bomb was in 1999 when the returned site for the search “more evil than Satan himself” was Microsoft. Maybe the most famous Google bomb was “the miserable failure” from the year 2000. When searched on Google, this keyword would return George Bush’s biography site from the White House.

Google bowling

Shortly, Google bowling means to spam in somebody’s else name. It’s usually brought into discussion related to negative SEO and refers to the practice of spam links to the competitor’s website with the purpose of causing him a Google penalty.

Google dance

Google dance  represents the period of time that major index updates were made by Google. As a result to this period, rankings of web sites may fluctuate even several times a day. In the Google dance, Google calculates the pagerank, and many other metrics, of each page and changes the SERP for all keywords.

Google juice

Google juice  is a slang for a website’s value as determined by Google through Page Rank. The more juice a web page has, the higher it will be positioned in search results. Google determines the “juice” according to “who links to what”, mostly. If, for instance, a high- ranking page links to other pages, it will transfer relevancy for the pages it linked to and, implicitly, will give it more Google juice.

Googlebot

Googlebot/Google’s spider program  refers to Google’s web crawler, also known as “Google spider”. Googlebot collects information from the web in order to permanently update the Google index. Google spider visits billions of webpages and it detects new sites, changes to existing sites or dead links in order to keep up to date the Google index.

Google Disavow Tool

Disavow the links?Hmm..let’s be cautiously optimistic…

Google Disavow Tool is a tool through which you can remove links that you believe to be unnatural, spammy or low-quality. It’s actually a tool that asks Google not to take into account certain links when it evaluates your site. The main problem is identifying correctly the links that negatively affect your site. Disavowing the wrong links might lead to a drop in ranking and also to a Google penalization. Identifying unnatural links may be a tough job. You may use tools like the automatic unnatural link detection tool in order to ease the process.

Google Analytics

Google Analytics  is a service offered by Google that provides statistics and digital analytics about a web’s traffic, traffic sources, conversions rate, customer segmentation, sales, bounce rate, etc. It is a tool that can be useful for marketing professionals, content developers but also webmasters. The service is free of charge for sites that generate less than 10 millions hits per month.

Google Adwords

Google Adwords refers to Google’s online advertising program that allows your ad to appear on Google and its partner’s websites. According to the keywords you are interested in, Google Adwords helps you place your ad in relevant search results. The charging is made when a visitor clicks an ad usually.

Google Webmaster Tools (GWT)

In a few words, Google Webmaster Tools is a free of charge web service that allows webmasters to check their indexing and to optimize their site’s visibility. GWT is designed to function as a communication mechanism between Google and site owners, helping webmasters to identify the main issues on their sites.

Google Universal Search

Google Universal Search  is a type of search in which results from multiple specialized areas are displayed in the web search listing. For example, results from Google News, YouTube or Google Images will be listed in the main Google results web page.

Grey Hat SEO

Grey hat is basically a black hat who uses cheap laundry detergent.

Grey Hat refers to SEO  using both Black and White Hat techniques.


Guest Blogging

Guest Blogging is a strategy used for link building and brand generation, where you submit content to other websites in order to gain a backlink within your author bio and/or generate interaction with the site’s readers. Guest blogging works best when you don’t think about it as link building but approach it as authority building instead. In 2014 Google announced possible penalties on Guest Blogging done for the sole purpose of influencing a site’s ranking in Google.

Inbound Link (Backlink)

Inbound Link (Backlink) refers to an incoming link to a website or a web page. A high number of inbound links is an indicator of the importance of that website. In SEO lingo, inbound links are also known as Backlinks, Incoming links, Inbound links, Inlinks or Inward links.

Internal Link

Internal Link is a link on a web page that links to another page on the same site or domain.

Indexed Pages

Indexed Pages refer to the website pages that have been visited, investigated and stored by a search engine. The purpose of indexing is to improve the relevancy in a search query. If a page has not been indexed by a search engine, that page will not be listed in the search engine results.

Keyword density

Keyword density refers to the percentage of times a keyword or a keyword phrase is found in the content of a page, among all other content. For example, if on a webpage with 100 words a keyword phrase is repeated 5 times, regardless if it’s in the content, headlines, captions, advertising,etc., the percentage of the key density will be 5%. There isn’t a rule or a optimum percentage of the keyword but you have to take into consideration that too little might not be clarifying enough for the search engine to figure out what the page is about and too much might have an unnatural aspect.

Keyword Research

Keyword Research is the process of determining the right keywords to target for your search marketing campaign.

Keyword stuffing

Keyword stuffing is usually correlated to unethical SEO techniques and refers to the practice of inserting a large number of keywords into a webpage with the purpose of manipulating the search results. These kind of keywords appear in large lists or groups with other keywords, usually out of the context. Keyword stuffing is also known as keyword loading or spamdexing.

Landing page

Landing page is the page where a visitor arrives after he clicks a link from the search engine result pages usually. A landing page can be a page that naturally ranked in the SERPs or can be a website that was advertised on the search engine results. In digital advertising campaigns, such as Pay-per-Click campaigns, the landing page is considered the place where the deal is closed. There are two types of landing pages: transactional pages (pages that encourage a visitor to take an action of some kind, buying a product, filling out a form, etc.) and reference pages(pages that offer information according to the searched keywords).

Link Bait

Link Bait also known as click bait, refers to the content within a website designed with the purpose of gaining attention and attracting other links, used specially in social media area. Matt Cutts defines link bait as “anything interesting enough to catch people’s attention”.  Some of the most common link baits are humor hooks, news hooks, infographics, informational hooks.

Link Building

Link Building is the process of building incoming links to a website. There are many different link building strategies that SEO’s use to procure links including direct requests to webmasters, article marketing, directories, guest blogging, social bookmarking, etc.

Linkerati

Also known as linkers, linkerati describes a very active and enthusiastic internet users that are most likely to create incoming links or link generating traffic. Linkerati are most likely to become the target of a linkbait campaign as they generate and share quality links that help sites to gain higher traffic.

Local Rank Tracker

Local Rank Tracker  is a feature that allows you to see how your site is performing in specific locations. Rank positions can vary dramatically for one region to another, or even from a city to another. A Local Rank Tracker gives you the opportunity to see how your site is ranking in different geographical areas.

Link Juice

Link juice is not just really a soda.

This is a term used to refer to the value of a link. For example, a dofollow link from CNN to your website would have a LOT of link juice. Also, pages with an excessive amount of links are leaking link juice.

Link Reclamation

Link Reclamation is a link building strategy where you go to find mentions of your brand or business to see if you can get links from those mentions. Also the process where you find links pointing to missing pages on your website so you can redirect them to live pages.

Link Profile

Link profile  is considered to be the distribution of the links that are pointing from other sites to a site. The link profile does not include internal sites’ links.

Link Velocity

Link velocity – represents the growth trend of a sites’ link profile. Link Velocity trends can also be natural or unnatural. An unnatural link velocity will have various spikes on various timeframes without generating a natural looking trend.

Link Audit

Do you want to develop a strong digital marketing strategy? Start with a link audit!

Link Audit  is an in-depth analysis that allows you to closely inspect elements related to the link building strategy, link positioning, unnatural links, link velocity, link authority, competition analysis,etc. A link audit is at help in detecting problems and opportunities for your website but it should also be the first step in developing a strong digital marketing strategy.

Link Quality

Search engines examine each link on the websites and determine their value. The precise algorithms that the search engines use to determine the quality of a link are not known. Yet, in determining the quality of a link page, terms as domain authority, trustworthiness, relevance or popularity are taken into consideration.

Link farm

Link farm refers to any group of sites where all the pages link to each other. Link farms are usually a form of spamdexing as most of them are generated by automated programs. Link farms created manually are designed to allow websites to exchange links with relevant web pages. This ones are not consider a form of spamming.

Local Search Optimization

Local Search Optimization is the process of optimizing your business website for local search results. This includes optimizing your website itself to help search engines determine your location and building local citations to further confirm your business’s local status.

Local Search Query

Within a Local Search Query  results are displayed as an outcome of a search for a specific location. Search engines allow users to submit geographically constraints on their search query. On a local search query, a user will also include information such as city name, neighborhood, street, postal code, etc. For example, a local search for bookstores will look like this: “Manhattan bookstore”, “Bellevue Avenue bookstore”.

Long Tail Keyword / Head keyword

Long Tail Keywords are a type of keyword phrase, usually composed from at least three words. Long tail keywords are more specific that the usual keywords and are used when the website wants to refine search terms to the website or when the searcher is looking for something very specific. They are also used as a SEO strategy as are less popular and thereby, have less search volume and less competition to rank for. For example, “how to get rid of a flu” or “efficient remedies for pet flea” are long tail keywords. Head term keywords, on the other site, are shorter, more frequently and more searched. In our example, the head keyword would be “Flu” and “pet flea”

Low Quality Links

Low Quality Links are links from sites that Google does not deem as valuable. Links from pages with tons of links on them (like link farms), article networks with low quality content, and link exchanges on “resource” pages are considered low quality.

Matt Cutts

Matt Cutts is larger than life. He cannot fit in 140 characters.

Matt Cutts  is a software engineer and the head of Google’s Webspam team. His work is concentrated on fighting spam and helping webmasters understand how search works.

Meta Tags

Meta tags are tags on each page that tells search engines what the page is about. The title tag is the most important element to optimize a page for a particular keyword in search. While the meta description doesn’t help with keyword optimization, it is usually shown in search results below the title tag and can help increase click-throughs if written well.

MOZrank

MOZrank is a popular score in the SEO industry and it is Moz’s authority score based on the number and quality of incoming links.

Natural search results

Natural search results, also known as “organic search” refers to that search where the results are returned based on a natural indexing, due to the search engine’s evaluation algorithms and not based on a paid ad.

Noindex

Noindex is a command that tells search engine robots not to index a certain page so that it cannot be found in SERP. Noindex can be used on pages that one wishes to keep private, employee only pages or on webpages that are very transitory.

Not Provided

Not provided.A term you should definitely know about in SEO industry

In October 2013, Google made an important change by stopping providing keywords for search traffic. That means that when a search is made on a secure Google webpage, the search term would no longer be passed on the destination website but will be grouped in Google Analytics under the keyword “not provided”.

On-Site Optimization

On-site optimization is configuring your website to be discovered by search engines and indexed according to the keywords you are targeting. This includes optimizing meta tags (title, description, etc.) for keywords and optimizing content on each page to support the keywords a page is optimized for.

Organic Links

Organic links are simply natural links. Ones that you don’t have to request, purchase, or otherwise place yourself. They are ones given freely by other website owners based on the merit of your content. These are the most sought-after links, and the reason why link baiting exists.

Pay Per Click (PPC)

PPC  is the acronym for “Pay per Click” and is an online advertising technique in which an advertiser pays the website owner when the ad is clicked. Adwords is maybe the most known PPC advertising platform.

Pay Per Action (PPA)

PPA  is the acronym for “Pay per Action” and is an internet advertising technique very similar to PPC with the mention that the pay is done only when clicks result in conversions.

Paid Search

Usually refers to pay per click search marketing through Google AdWords.

PageRank

Judge me by my PageRank, do you?

PageRank is the Google authority score given to pages on the internet. This score is based on the number and quality of incoming links a website has. PageRank ranges from 0 (lowest authority) to 10 (highest authority). Only sites like Google itself, Twitter, etc. have PageRank 9 or 10. Average sites with strong link profiles usually fall between PR 3 to 6.

Persona

Persona  refers to fictional character whose purpose is to give a sense of empathy for your users. Persona is generating information about your target’s needs and give you insights about the reasons visitors are on your site. Persona are working like information and knowledge seekers.

Personalization

A search engine’s attempt to bring more personalized results to searchers based on their social networking connections. Google bases personalization on a user’s connections on Google+ and location, and Bing bases personalization on a user’s connections on Facebook and location.

Ranking Factor

Ranking Factor represent the factors that search engines use in order to rank webpages. For instance, Google uses at least 200 of these factors in its algorithm, such as trustworthiness, domain length, social signals, keyword density, etc. Ranking factors differentiate better positioned websites from pages placed beneath in search results.

Rank Tracking

Rank Tracking is a tool that gives you the possibility to investigate search engine rankings by pages and keywords. Tracking your ranks daily or weekly would give you insight both on your site’s traffic and your competitors traffic.

Referring Domain

The number of referring domains is more important than the number of backlinks.

Referring Domain also know as “ref domain”, represents the domain that people “came from” when visiting your site. Is basically the domain from which an inbound link is pointing to a certain page. If, for instance, you are looking in Google for a part of your website and Google returns your site in the search list, when you access your site from that list, the referring domain will be Google.com. If people are talking about your site on forums and someone links to your site from that forum, than, the forum will be the referring domain. The number of referring domains is more important than the number of backlinks.

Reciprocal link

Trading your wife 4 links doesn’t mean you’re doing reciprocal linking.

Reciprocal link  refers to an agreement between two site owners to provide mutual link between their websites. Reciprocal link purpose is to increase traffic for both sites but also to show a partnership between the two or to provide a quick access to a related website.


Robots.txt

Robots.txt , also known as “Robot Exclusion Standard” or “robots.txt protocol”, refers to a standard text file that instruct search engine robots how to crawl and index webpages. For instance, through robot.txt you can instruct a search engine not to crawl and index certain files or directories within your site.

Search Algorithm

Most likely referring to Google, the Search Algorithm is the system that determines what sites rank for particular keywords. If you want to get a general idea as to what Google algorithms look for, you can refer to Google’s own How Search Works page.

SEM

SEM – stands for “Search engine marketing” and describes the paid search activities which purpose is to increase webpages’ visibility in SERPs. SEM is a form of internet marketing that often uses SEO techniques for obtaining high rankings in SERPs.

SERP

SERP- is the acronym for Search Engine Ranking Page and refers to the list of results returned by a search engine in response to a keyword query.

SERP Volatility

SERP Volatility stands for ranking fluctuations. Variation in the algorithmically SERP may occur due to changes in the content of a ranking page, the number of inbound links pointing to that page, the competitiveness of a given keyword or niche, etc. This fluctuations may appear even daily or hourly.

Search Query

Search Query refers to a request that a user makes using a search engine. Every time an internet user “searches” for something on a search engine and presses “enter”, a search query is made. Every search query adds data to the search engine and the results generated become more accurate.

Snake Oil

Snake oil is usually a term assigned to those called “salesmen” that offer webmasters guarantees to appear in the top ranking for a certain keyword. They usually try to convince the site owner that their site is not well optimized and promise groundless high ranking for unreasonably amount of money.

Sockpuppet

In SEO, sockpuppet has nothing to do with The Muppet Show.

Sockpuppet refers to an online identity created with the purpose of hiding a real identity or assuming multiple user profiles. The sock puppet usually poses as an independent third-party that defend or support a person or an organization.

Social Bookmarking

Social bookmarking is a link building strategy where you bookmark a webpage on a social sites such as Delicious, StumbleUpon, Diigo, and similar networks. These bookmarks are usually listed under a profile that is visible to the public. Many of these networks will count the number of bookmarks / votes for a webpage and potentially move it to the homepage if it becomes popular within in a short period of time.

Social media poisoning

SMP is not just PMS being read backwards.

Social media poisoning is a black hat technique that refers to the practice of generating spam content on behalf of a competitor . SMP’s purpose is to put a negative light on a certain brand, making it look like a spammer on social media channels, forums, blogs,etc.

Spam Ad Page

Spam is more than Matt Cutt’s breakfast.

Spam ad page  refers to a page with advertising purpose in which the content is generated automatically by a machine. This kind of pages don’t add value for the viewers, other than promoting Ads.

Spambot

A spambot represents an automated program which assists the sending of spam. Spambots can harvest email addresses, on chat rooms or web forms.

 

Spider

Check crawler.

Spider Trap

Spider trap  refers to a set of links that are used to cause a web crawler to create an infinite number of pages which don’t exist on the site or cause a poorly constructed crawler to crash. Spider trap may be used intentionally or unintentionally and are created to catch the spambots.

Social bookmarking

Social bookmarking is a link building strategy where you bookmark a webpage on social sites such as Delicious, StumbleUpon and similar networks. These bookmarks are usually listed under a profile that is visible to the public. Many of these networks will count the number of bookmarks / votes for a webpage and potentially move it to the homepage if it becomes popular within in a short period of time.

Supplemental Index

Supplemental Index refers to Google’s secondary database containing pages considered to have less importance. The importance of a page is measured by the number of links pointing to it. If, according to Google’s algorithm, a page is depreciated, it will not pass to the target page. It will appear on a supplemental page that will rank in search results only if there are not enough pages in the main index. Supplemental results are rarely rank and, thereby,  they don’t pull much weight in Google.

Traffic Rank

Traffic Rank is a measure that allows to see the popularity of a website and how a webpage is ranking in comparison to other sites. Traffic rank is based on traffic statistics and is calculated using a combination of the estimated daily unique visitors and the estimated number of pageviews.

Title Tag

Title Tag  is one of the most important elements in SEO and refers to the main text that describes an online document. The title tag is supposed to give information about the whole page in a few words. Thereby, it is very important to get the title tag right in order to have good search engine results. Title tags can appear in browsers, in search engine results pages and in external websites.

Trackback

Trackback helps bloggers keep track of who is linking to their articles. Can be seen as a way for bloggers to communicate between their web-blogs, a kind of “link notification”.

Universal Results

The first sample for Google universal search was made in 2001 for Britney Spears.

Universal Results represents the lists of results generated by Google Universal Search system, which integrate a vast amounts of information available (images, text, video, etc.) into one set of search results. For example, if you search for “Michael Jackson”, Google will return images of him blended with videos or biographical information, all in the main webpage result.


Unnatural Links

Unnatural links are like unnatural food. Looks good but has incredibly bad long term consequences.

Links deemed as unnatural are those that are created with the sole purpose to influence Google’s ranking and are against the Google Webmaster Guidelines.

Unnatural Link Profile

A site may have an unnatural link profile if the collection of unnatural links that are pointing to the site is very high. Sites that have an unnatural link profile have a high risk of being penalized by Google or other search engines.

Web Directories

Web Directories are used as an easy source of links for any website. Some well-known quality directory link sources include DMOZ, Yahoo, and Best of the Web. There are many others and some easy ways to spot whether a directory is a good fit for your business, or not.

White Hat SEO


White Hat SEO refers to search engine optimization techniques recommended by Google such as clear linking structures and using descriptive titles.

301 

301 page represents a permanent server redirect. Google recommends using a 301 redirect to change the URL of a page.

 

Are there some other common terms you would like to see added to this list? Please share in the comments!

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