
Heading Tag: Heading tags of an html totally 6 sizes. H1 tag is large size and H6 tag is small size. A large heading can rank keyword higher in search engines.
Hidden Text/Tiny Text: To hidden a characters one of the technique is placing the same color characters on same color background, but search engines are quickly caught and banning sites for it.
Hit: Hit refers to request to a web page or a graphic from a web server.
Hotbot: Hotbot was a search engine found in early days of internet services of Wired Magazine.
HTML: HTML - Hypertext Markup Language. A markup language designed with hypertext for the creation of web pages.
HTML Link: A hyperlink within a web page is known as html link. When click on this html link page will go corresponding page.
HTTP: Hypertext Transfer Protocol is the set of rules for transferring data on the World Wide Web.
301: The 301 means the URI has “Moved Permanently” and has been changed with a new urls Any future requests should use one of the returned url’s.
302: The document requested is “Found” The requested resource resides temporarily under a different URL. Since the redirection might be altered on occasion.
400: The request could not be understood by the server due to malformed syntax. You will not be able to perform a zone transfer from this server without modifications
401: The final response from a server encountered an unexpected condition to fulfilling the document request by user authentication is 401 codes
403: It Means Forbidden; the server understood the request and then it refusing to fulfill it.
404: An Error Message Reminding the miswritten URL or the Page as deleted from Server.About.com: Largely Internet Directory founded in 1996, acquired in March 2005 by "The New York Times Company".
410: It means the requested document is “intentionally gone” and no longer available in a forwarding address, it is similar to 404 errors
500: It is error message from an internal server which has prevented the document from being fulfilled.
501: When the server has not recognize anything matching the document request. So server is not capable of fulfilling the request which was “Not Implemented”
Hubs and Authorities: Hub and authorities is a central connection to the all systems by which all incoming and outgoing links are calculated.
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