SEO Glossary (H-K)

Hallway page

A page that serves as an index to a group of pages that you would like the search engine spiders to find. Once a search engine spider indexes the hallway page, it should also follow all the links on that hallway page and in turn index those pages as well.

Heading tag

An HTML tag that is often used to denote a page or section heading on a web page. Search engines pay special attention to text that is marked with a heading tag, as such text is set off from the rest of the page content as being more important.

Hidden keywords

Keywords that are placed in the HTML source in such a way that these words are not viewable by human visitors looking at the rendered web page.

Hidden Text – SEO Spam Tactic

Hidden Text is a SEO spam tactic to hide contextual html text from human visitors to a webpage, however making it available to search engines to spider the text.

The theory is that if you place more relevant html text content on the page rich with targeted keywords, then it will assist the page gaining ranking within search engine results. Some website owners do like text content on their page because they believe it negatively affects their brand and user web experience. So, they hide the text in the hope that the page will still rank for targeted keywords.

Hidden Text is an illegal technique as search engines consider it search engine spam. By undertaking this practice, it will eventually harm natural search performance of a website.

Google Quality Guidelines specify to “Avoid hidden text or hidden links”.

Hijacking of Websites

Hijacking of websites is a practice that makes search engines believe that a specific website resides at another URL. It is a form of search engine spam and cloaking. The reason why this method is undertaken by spammers is to increase rankings in search engine result pages. Webpage Hijacking is an illegal spam tactic.

When spiders crawl websites and they discover two pages with the same content, the search engine will decide which is the main url while the other is not indexed. Spammers will use tactics to ensure that their page is the one that is chosen by the search engine.

An example of website hijacking is where there are two pages with exactly the same content but at different addresses – company.com (the real site) and company.net (the rogue site). Spammers use tactics to ensure their site ranks above the real site.

HTTP 301 – Status Code Definition

The 301 status code means the URI requested has “Moved Permanently” and has been assigned a new URI. Any future requests should use one of the returned URIs.

It is best practice to use 301 Redirects when multiple copies of the same document reside on different URIs. This will ensure that duplicate content is removed from the site and each and every unique page will only have one URL.

HTTP 302 – Status Code Definition

The 302 status code means that the document requested is “Found” however temporarily resides under a different URL. Since a permanent redirect has not been used, the client should continue to use the original requested URL for future requests.

HTTP 400 – Status Code Definition

The 400 status code means a “Bad Request” stating that the server is not able to understand the document request due to a malformed syntax. The user is required to modify its request prior to repeating it.

HTTP 401 – Status Code Definition

The 401 status code means “Unauthorized”. This server requests user authentication prior to fulfilling the document request.

HTTP 403 – Status Code Definition

The 403 status code means “Forbidden”. The server understood the request, however is refusing to fulfill it. The webmaster may wish to alert the user why their request has been denied. If the organization does not wish to provide this reason then a 404 (Not Found) status code can be displayed instead.

HTTP 404 – Status Code Definition

The response error message “404” represents a document “Not Found”. This means that the client was able to communicate with the server, however could not find the requested document. Alternatively, the server could be configured to not fulfill the request and not provide a reason why.

HTTP 410 – Status Code Definition

Similar to a 404 Not Found error message, the 410 status code states that the requested document is “intentionally gone”, is no longer available and there is no forwarding address.

The 410 status code is usually used for limited display documents such as promotional information. It is up to the discretion of the web master to determine at what point to remove the 410 status message.

HTTP 500 – Status Code Definition

The 500 status code error message states that there was an internal server error which has prevented the document from being fulfilled.

HTTP 501 – Status Code Definition

The 501 status code message is displayed when the server does not recognize the document request method. The server is not capable of fulfilling this request and states the request was “Not Implemented”.

HTTP – Hypertext Markup Language

HTTP stands for hypertext markup language and is the main markup language for creation of web pages. It defines how data is structured and informs the web browser how the page is to be displayed with the use of formatting text and images.
Some of the page elements that can be coded with HTML include Page Titles, Text (paragraphs, lines and phrases), Lists (unordered, ordered and definition lists), Tables, Forms, Basic HTML Data Types (character data, colors, lengths, content types, etc) and much more.

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Impression

The number of times your search ad is served to users by search engines.
Inbound links (IBL)
Links that point to your site from sites other than your own. Inbound links are an important asset that will improve your site’s PageRank (PR).

Index

A search engine’s database in which it stores textual content from every web page that its spider visits.

Inlinks

A synonym for back links. Popularized by Yahoo!

Internal Links

An Internal Link is a hypertext link that points to another page within the same website. Internal links can be used as a form of navigation for people, directing them to pages within the website. Links assist with creating good information architecture within the site.

Search engines also use internal text links to crawl pages within a website. The way internal links are structured will impact the way in which search engine bots spider and subsequently index pages.

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Key phrase (or keyword phrase)

A search phrase made up of keywords. See “keyword.”

Keyword

A word that a search engine user might use to find relevant web page(s). If a keyword doesn’t appear anywhere in the text of your web page, it’s highly unlikely your page will appear in the search results (unless of course you have bid on that keyword in a pay-per-click search engine).

Keyword density

The number of occurrences that a given keyword appears on a web page. The more times that a given word appears on your page (within reason), the more weight that word is assigned by the search engine when that word matches a keyword search done by a search

Keyword Matching

Keyword matching is the process of selecting and providing advertising or information that match the user’s search query.

Keyword popularity

The number of occurrences of searches done by Internet users of a given keyword during a period of time. Both WordTracker.com and Overture’s Keyword Selector Tool (http://inventory.overture.com) provide keyword popularity numbers.

Keyword prominence

The location (i.e. placement) of a given keyword in the HTML source code of a web page. The higher up in the page a particular word is, the more prominent it is and thus the more weight that word is assigned by the search engine when that word matches a keyword search done by a search engine user. Consequently, it’s best to have your first paragraph be chock full of important keywords rather than superfluous marketing speak. This concept also applies to the location of important keywords within individual HTML tags, such as heading tags, title tags, or hyperlink text. So get in the habit of starting off your title tags with a good keyword rather than “Welcome to.”

Keyword stuffing

Placing excessive amounts of keywords into the page copy and the HTML in such a way that it detracts from the readability and usability of a given page for the purpose of boosting the page’s rankings in the search engines. This includes hiding keywords on the page by making the text the same color as the background, hiding keywords in comment tags, overfilling alt tags with long strings of keywords, etc. Keyword stuffing is just another shady way of gaming the search engines and, as such, its use should be strongly discouraged.

Keyword-rich

when a given page or bit of text is chock full of good keywords rather than a bunch of meaningless words (e.g. “welcome”, “click here”) or irrelevant words (e.g. “solution”).

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