Adding Search description for individual blog posts on Blogger/Blogspot blogs is now possible. It is one of the new features recently introduced into Blogger blogs, which also include the ability to add a custom 404 page to your blog. The description attribute within the tag is a good way to provide a concise, human-readable summary of each page’s content.
Google will sometimes use the meta description of a page in search results snippets, if they think it gives users a more accurate description than would be possible purely from the on-page content. You will see the meta description in the source code of any individual post you add a search description to.
How To Activate Search Description for Individual Posts==> Log in to your Blogger Blog (Ensure you are using the new Blogger dashboard)
==> Go to Settings > Search preferences > Search Description.
==> click Edit next to "Description" to reveal a text field. Select Yes, write in your text, and click Save changes.
Write a short description of your blog in the space as seen above e.g "A blog specializing in dating tutorials". Whatever you enter here will serve as site-level description on the main home page or other aggregation pages.
Enabling this feature will display a “Search Description” option in the Post Settings panel that allows you to enter a search description for individual posts as seen in the picture below:
You can add a one-sentence description or a structured data about the page. Just try and create descriptions that accurately describe the specific page.
If you don't have time to create a description for every single page, try to prioritize your content: At the very least, create a description for the critical URLs like your home page and popular pages.
High-quality descriptions can be displayed in Google's search results, and can go a long way to improving the quality and quantity of your search traffic. Hence, try and make sure your descriptions are truly descriptive.
For more background on "Site Title and Description", read through this article in the Webmasters Help Center, and be sure to check out this article on Search Engine Optimization (SEO).
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