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See Positioning.
- Browse Related Terms: AltaVista, Everflux, Flux, Google Dance, link, Miserable Failure, Placement, Ranking, Update
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Repeating the search engine registration process one or more times for the same page or site. Under certain circumstances, this is regarded with suspicion by the search engines, as it could indicate that someone is experimenting with spamming techniques.
The Infoseek and Altavista search engines are particularly vulnerable to spamming because they list sites very quickly, and are thus easy to experiment with. Both engines de-list sites for repeated re-submission and Infoseek, for example, does not allow more than one submission of the same page in a 24 hour period. Occasional re-submission of changed pages is not normally a problem.
- Browse Related Terms: Blacklist, Clustering, description, Directory, Duplicate Content, Keyword Research, Mirror Sites, Paid placement, Re-submission, Select list, Skewing, Spamdexing, Spoofing, URL Submission
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Sometimes expressed as the percentage of the universe of a target audience, however it is measured by the total number of unique users who will see the ad over a specific period of time.
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The portion of relevant documents that were retrieved when compared to all relevant documents.
Related to precision, this is the degree in which a search engine returns all the matching documents in a collection. There may be 100 matching documents, but a search engine may only find 80 of them. It would then list these 80 and have a recall of 80%.
- Browse Related Terms: Broad Match, Exact match, index, Keyword Matching, Phrase Match, Phrase search, Precision, Recall, Search engine, Thesaurus
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the practice of trading links between websites.
- Browse Related Terms: Broken Link, Dead Link, Deep Link, Deep Link Ratio, Link Farm, Link Rot, Outbound Link, Outbound links, Reciprocal linking, Reciprocal Links, Submission, Yahoo! Site Explorer
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Nepotistic link exchanges where websites try to build false authority by trading links, using three way link trades, or other low quality link schemes. When sites link naturally there is going to be some amount of cross linking within a community, but if most or all of your links are reciprocal in nature it may be a sign of ranking manipulation. Also sites that trade links off topic or on links pages that are stashed away deep within their sites probably do not pass much link authority, and may add more risk than reward. Quality reciprocal link exchanges in and of themselves are not a bad thing, but most reciprocal link offers are of low quality. If too many of your links are of low quality it may make it harder for your site to rank for relevant queries, and some search engines may look at inlink and outlink ratios as well as link quality when determining how natural a site's link profile is. See also: Indexing Timeline - Matt Cutts states that sites which have many low quality inbound links and / or outbound links may struggle to rank or even get deeply indexed by Google. Live Search: Linkdomain:SEOBook.com LinkFromDomain:SEOBook.com - shows SEOBook.com's reciprocal links What a Links Page Should Not Look Like - article by Jim Boykin
- Browse Related Terms: Broken Link, Dead Link, Deep Link, Deep Link Ratio, Link Farm, Link Rot, Outbound Link, Outbound links, Reciprocal linking, Reciprocal Links, Submission, Yahoo! Site Explorer
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where the Internet user is automatically taken to another web page address without him/her clicking on anything. Redirects are generally not good for search engine rankings, as they dilute PageRank. There is also the risk that the search engine spider will not follow your redirect.
A method of alerting browsers and search engines that a page location moved. 301 redirects are for permanent change of location and 302 redirects are used for a temporary change of location.
- Browse Related Terms: .htaccess, 301, 302, Absolute Link, Canonical URL, CSS, Hijacking, Meta Refresh, Redirect, Relative Link, Scraper sites, SSI
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Fees paid in exchange for delivering a qualified sales lead or purchase inquiry. For example, an affiliate drives traffic to other companies' sites, typically in exchange for a percentage of sales or a flat referral fee.
- Browse Related Terms: Arbitrage, Ask, Banner Blindness, Behavioral Targeting, Business.com, Catch All Listing, Clickthrough rate, CTR, Doorway Pages, Entry Page, Google AdSense, Jump Page Ad, Keyword Purchasing, Organic Search Results, Paid inclusion, Referral Fees, Scumware, Search Marketing, Spyware, Syndication
All > Technology > Search > SEO / Search Marketing
a web page, containing a link to your web page, that delivered your visitor to your web page. For example, if Google's search results (for example on a search for "britney spears") contained a link to a page on your site and the user clicked on that link t
The URL of the web page from which a visitor came. The server's referrer log file will indicate this. If a visitor came directly from a search engine listing, the query used to find the page will usually be encoded in the referer URL, making it easy to see which keywords are bringing visitors. The referer information can also be accessed as document.referrer within JavaScript or via the HTTP_REFERER environment variable (accessible from scripting languages).
The source from which a website visitor came from.
- Browse Related Terms: accessibility, cache, cookie, Google cache, HIT, HITS, HTML Source, Image Map, Invisible Web, ISP, Log file, Page View, Referrer, Site Hit, Traffic, Unique Visitor
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See the paragraph about HTTP_EQUIV under Meta Tag.
- Browse Related Terms: Bush, Vannevar, click-through, Meta Description, Meta Keywords, Meta tag, Meta tag stuffing, Meta Tags, Misspellings, Multiple Keyword Tags, Multiple Titles, Nofollow, Page title, Refresh Tag, Sniffer, Stop word
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A company which allows you to register domain names.
- Browse Related Terms: Battelle, John, Brand, Cybersquatting, Gladwell, Malcolm, Godin, Seth, Headline, Mechanical Turk, Meme, Registrar, Seth Godin, Squidoo, Viral Marketing, Yahoo! Answers
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The process of informing a search engine or directory that a new web page or web site should be indexed.
- Browse Related Terms: Adjacency, False Drop, keyword, Keyword Funnel, Keyword Phrase, Meta Search, Meta Search Engine, Positioning, Positioning Technique, Query Refinement, registration, Relevancy Algorithm, Reputation Management, Search Term, SERP, Usage Data
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If a site has been penalized for spamming they may fix the infraction and ask for reinclusion. Depending on the severity of the infraction and the brand strength of the site they may or may not be added to the search index.
See also:
- Google Reinclusion - sign up for Google Sitemaps, and request reinclusion from within Google Sitemaps
- Yahoo! Reinclusion - request a review here Yahoo! Search: URL Status - Second Review Request
- Browse Related Terms: Crawl Depth, De-listing, Filter, Google Sitemaps, Hidden Text - SEO Spam Tactic, Manual Review, Page Popularity, Penalty, Quality Content, Reinclusion, Search engine marketing (SEM), Search engine optimization (SEO), SPAM
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A link which shows the relation of the current URL to the URL of the page being linked at. Some links only show relative link paths instead of having the entire reference URL within the a href tag. Due to canonicalization and hijacking related issues it is typically preferred to use absolute links over relative links. Example relative link <a href="../folder/filename.html">Cool Stuff</a> Example absolute link <a href="http://seobook.com/folder/filename.html">Cool Stuff</a>
- Browse Related Terms: .htaccess, 301, 302, Absolute Link, Canonical URL, CSS, Hijacking, Meta Refresh, Redirect, Relative Link, Scraper sites, SSI
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the likelihood that a given web page will be of interest or useful to a search engine user for a keyword search.
- Browse Related Terms: Direct Hit, Font and Background Spoofs, junk pages, Key phrase (or keyword phrase), Keyword Domain Name, Keyword popularity, Keyword-rich, Relevance, Search term popularity, Siphoning, Spamglish, Spider, Spyder, theme, Unethical SEO, Visibility
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A measure of how useful searchers find search results. Many search engines may also bias organic search results to informational resources since commercial ads also show in the search results. See also: Google vs Yahoo! vs MSN - compares the relevancy algorithms of the three major search engines Search Engine Relevancy Challenge - survey of search relevancy based on user voting
How well a document provides the information a user is looking for, as measured by the user.
- Browse Related Terms: Affiliate Marketing, Alexa, AllTheWeb, Bid management tool, Copyright, Key Performance Indicators (KPIs), Landing Page Quality Scores, Overture, Relevancy, ROI, SEM, The Tragedy of the Commons, Yahoo! Search Marketing
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The method a search engine or directory uses to match the keywords in a query with the content of each web page, so that the web pages found can be ordered suitably in the query results. Each search engine or directory is likely to use a different algorithm, and to change or improve its algorithm from time to time.
- Browse Related Terms: Adjacency, False Drop, keyword, Keyword Funnel, Keyword Phrase, Meta Search, Meta Search Engine, Positioning, Positioning Technique, Query Refinement, registration, Relevancy Algorithm, Reputation Management, Search Term, SERP, Usage Data
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Low-cost advertising space that is relatively undesirable or otherwise unsold.
- Browse Related Terms: Dayparting, Exclusive Advertising, Insertion Order (I/O), inventory, NewHoo, Reach, Remnant Inventory, ROI - Return On Investment, Run of Site (ROS), Universe
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format and stylize HTML source code into the final format for the visitor's screen. For example, text within <b> tags will be made bold.
- Browse Related Terms: Alt Attribute, Alt tags, comment, Comments Tag, heading, Heading tag, Hidden keywords, Hidden Text, Information Architecture, Keyword prominence, Noframes tag, Optimization, Render, Title, Title tag
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A repeat visitor is a single individual or browser who accesses a website or webpage more than once over a specified period of time.
- Browse Related Terms: button, Frequency, Impression, Link bait, Links, Repeat Visitor, Session, Unique visitors, User session, Visit