Reciprocal LinksNepotistic link exchanges where websites try to build false authority by trading links, using three way link trades, or other low quality link schemes.
RedirectA 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…
Referral FeesFees paid in exchange for delivering a qualified sales lead or purchase inquiry.
ReferrerThe URL of the web page from which a visitor came. The server's referrer log file will indicate this.
Refresh TagSee the paragraph about HTTP_EQUIV under Meta Tag.
RegistrarA company which allows you to register domain names.
RegistrationLining up a forms image to determine which fields are where. Also, entering pages into a scanner such that they are correctly read.
ReinclusionIf a site has been penalized for spamming they may fix the infraction and ask for reinclusion.
Relative LinkA link which shows the relation of the current URL to the URL of the page being linked at.
Relevancethe likelihood that a given web page will be of interest or useful to a search engine user for a keyword search.
RelevancyA measure of how useful searchers find search results. Many search engines may also bias organic search results to informational resources since…
Relevancy AlgorithmThe 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…
Remnant InventoryLow-cost advertising space that is relatively undesirable or otherwise unsold.
Renderformat and stylize HTML source code into the final format for the visitor's screen. For example, text within <b> tags will be made bold.
Repeat VisitorA repeat visitor is a single individual or browser who accesses a website or webpage more than once over a specified period of time.
ReplicaA special copy of an IBM® Lotus® Notes® application that, because it shares a replica ID with the original application, can exchange information with…
Reputation ManagementEnsuring your brand related keywords display results which reinforce your brand. Many hate sites tend to rank highly for brand related queries.
ResubmissionMuch like search engine submission, resubmission is generally a useless program which is offered by businesses bilking naive consumers out of their money…
Resubmittingsubmitting your web page address(es) to search engines after you've already submitted those addresses previously or after the search engine has already…
ROI - Return On InvestmentThe benefit gained in return for the cost of investing budget into advertising or project.
RSSRich Site Summary or Real Simple Syndication is a method of syndicating information to a feed reader or other software which allows people to subscribe to…
Run of Site (ROS)The scheduling of ads across an entire site, often at a lower cost than the purchase of specific pages or sub-sections of the site.