Search results
Results From The WOW.Com Content Network
The noindex value of an HTML robots meta tag requests that automated Internet bots avoid indexing a web page. [1] [2] Reasons why one might want to use this meta tag include advising robots not to index a very large database, web pages that are very transitory, web pages that are under development, web pages that one wishes to keep slightly more private, or the printer and mobile-friendly ...
The default behavior is that articles older than 90 days are indexed. All of the methods rely on using the noindex HTML meta tag, which tells search engines not to index certain pages. Respecting the tag, especially in terms of removing already indexed content, is up to the individual search engine, and in theory the tag may be ignored entirely.
As an example, the search "-<unwanted site>" will eliminate sites that contains word "<unwanted site>" in their pages and the pages whose URL contains "<unwanted site>". Users could also use the Google Chrome extension "Personal Blocklist (by Google)", launched by Google in 2011 as part of countermeasures against content farming . [ 26 ]
Search engine optimization professionals started using the nofollow attribute to control the flow of PageRank within a website, but Google has since corrected this error, and any link with a nofollow attribute decreases the PageRank that the page can pass on. This practice is known as "PageRank sculpting".
The new search handles complex queries of the same kind as Google, and other features which leave it better for searching these spaces, than Google is. For example, internal search can handle the same boolean expressions and "page title" search, as Google advanced search can, but it now also understands namespaces, page "sections", can look for ...
Google is using a complex system of request rate limitation which can vary for each language, country, User-Agent as well as depending on the keywords or search parameters. The rate limitation can make it unpredictable when accessing a search engine automated, as the behaviour patterns are not known to the outside developer or user.
Google Search Console (formerly Google Webmaster Tools) is a web service by Google which allows webmasters to check indexing status, search queries, crawling errors and optimize visibility of their websites. [1] Until 20 May 2015, the service was called Google Webmaster Tools. [2]
The purpose of storing an index is to optimize speed and performance in finding relevant documents for a search query. Without an index, the search engine would scan every document in the corpus, which would require considerable time and computing power. For example, while an index of 10,000 documents can be queried within milliseconds, a ...