we will explain how custom robots header tags in blogger work ?
custom robots header tags are used to set the robots header tags served to search engines.
custom robots header tags are used to allow your visitors to visit some pages and prevent them from visiting other pages due to your preference and to prevent double content issue in some cases.
Now let`s find out how Google explain it with some explanation
| Tag | Uses |
|---|---|
all | By default pages are treated as crawlable, indexable, archivable, and their content is approved for use in snippets that show up in the search results, using this tag simply mean dont change any thing unless permission is specifically denied in a robots meta tag or X-Robots-Tag. |
noindex | This tag means Do not show this page in search results and do not show a "Cached" link in search results.use this for your secret pages or pages you don`t wanna search engins to see e.g. "success messages" that you may redirect your users to after filling some form. |
nofollow | This tag means Do not follow the links on this page |
none | This tag Equivalent to noindex, nofollow this mean that none of this page or its subpages and links will be indexed |
noarchive | This tag means Do not show a "Cached" link in search results. this can be used for pages that are frequently updated so that you don`t want search engines to show old copy of your fresh content e.g. footbal match results pages |
nosnippet | This tag means Do not show a snippet in the search results for this page |
noodp | This tag means Do not use metadata from the Open Directory project for titles or snippets shown for this page. |
notranslate | This tag means Do not offer translation of this page in search results. this is good for local content |
noimageindex | This tag means Do not index images on this page. Use thisif you don`t like to see your images copied in many locations |
unavailable_after: [RFC-850 date/time] | This tag means Do not show this page in search results after the specified date/time. The date/time must be specified in the RFC 850 format.this will prevent indexing pages after certain period of time this is suitable for events use this if you wanna make sure your visitors will not after the deadline |
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