Explanation of the header signs for robots
The header tags tool for robots is one of the tools provided by the Blogger platform that helps to improve the blog's SEO; this tool helps us to control the access of search spiders to some blog pages; this tool has the same function as the noindex metadata and the robots.txt file,
all of these tools help us adjust For crawlers, the difference between custom headers tags and robots.txt is the first more specific file, for example, the robots.txt file allows us to block access to some page.
Still, we cannot customize access, for example, by allowing the robot to access the page and preventing it from keeping a copy or allowing the robot to access the entire content of the page, except for the images, for example... Here comes the role of custom headers tags, as they contain a set of useful settings
Custom header tag labels
Blogger allows the use of header tags dedicated to robots for three types of pages
Homepage
Archive and Search Pages
Topic pages and static pages
Each of the three categories can be identified by the robot header tags
Header settings for robots
There At Pluzr- 10 heads of marks characteristic of each one and the job carried out, some important and others were necessary VPL long time and have become low importance at the present time,
to activate the tool login to Blogger ⇽ settings ⇽ search preferences - crawlers And indexing - header tags dedicated to robots, choose "Yes" and add the tags you want to use. Here is an overview of the role of each tag provided by Blogger
all
The default value for all pages allows search spiders to access and archive all blog pages, and it has no effect whether you activate it or not.
noindex
It prevents search spiders from archiving blog pages and copies of them but does not prevent them from crawling other links on the page if they are not nofollow links
nofollow
Prevents search spiders from crawling links on the page, even if they are dofollow
none
Using none Just like using noindex and nofollow, none means a shortcut to enable both settings. Search spiders will not archive the page nor crawl the links on it.
noarchive
Prevent search spiders from keeping copies of pages when they are archived to search engines
nosnippet
Prevent search spiders from using the description in search results. Only the page title will appear without the description
noodp
If your blog is classified in the global site directory DMOZ, this setting prevents search engines from using the description in it on search engines
notranslate
Prevent search spiders from providing a translated version of your blog content
noimageindex
Prevent search spiders from archiving page images and not displaying them in image search
unavailable_after
A setting enables you to choose the time when you want to hide the page from search engines; search engines will archive the page until the date that you have chosen and then delete it from the search results
other information
The tool for header tags for robots - (in English: X-Robots-Tag HTTP header) - does not work if you prevent search engines from accessing your blog from Blogger Settings ⇽ Basic ⇽ Privacy - Allow search engines to access your blog, because in this case By completely blocking access to your blog, this option is ranked higher than the headers for robots.
Custom headers tags are not that important for blogger users. The types of Blogger pages are limited (home page, archive pages, categories pages, topic pages, static pages), and Blogger does not provide the ability to store external files such as pictures and videos. headers marks) are significantly useful for those using other platforms Kaluwrdberas for example, where you manage access to Mjuah unlimited pages and files such as images, scripts, videos ... stored on the primary domain of the code, but for users of blogger Vikvehm use of the robots.txt file, which will enable them Better manage access to various blog pages.