(Changing domain or site blocked or dysfunctional).Ĥ) User may behind some firewall or alike software or security mechanism that is blocking the access to the destination website.ĥ) You have provided a link to a site that is blocked by firewall or alike software for outside access. (A common 404 error).ģ) The destination website is irreversibly moved or not exists anymore. All are listed below.Ģ) The destination website removed the linked web page given by you. There are several reasons for broken link. it also has a bad impact on user experience. a higher rate of broken links have a negative effect on search engine ranking due to reduced link equity. Broken link: a broken link is an inaccessible link or url of a website.

if you have more uls than this create multiple sitemap files and use a sitemap index file.Ģ) Put your sitemap in website root directory and add the url of your sitemap in robots.txt.ģ) sitemap.xml can be compressed using grip for faster loading. You can create a sitemap.xml by various free and paid service or you can write it with proper way (read about how write a sitemap).ġ) Sitemap must be less than 10 MB (10,485,760 bytes) and can contain maximum 50,000 urls. it can help search engine robots for indexing your website more fast and deeply. It is used to include directories of your websites for crawling and indexing for search engine and access for users.

Sitemap is a xml file which contain full list of your website urls. Remember robots.txt instruction to restrict access to your sensitive information of your page is not formidable on web page security ground.

Write it properly including your content enriched pages and other public pages and exclude any pages which contain sensitive information. So add a robots.txt file in your website root directory.

Your website directories will be crawled and indexed on search engine according to robots.txt instructions. A full access or a full restriction or customized access or restriction can be imposed through robots.txt. robots.txt contains the search bots or others bots name, directory list allowed or disallowed to be indexing and crawling for bots, time delay for bots to crawl and indexing and even the sitemap url. Robots.txt is text file that reside on website root directory and contains the instruction for various robots (mainly search engine robots) for how to crawl and indexing your website for their webpage.

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