What headers are being prescribed the title attribute?

Hello!
Saw that on one site of web-Studio in the tag header write a title attribute.
<h1 class="main-title" title="Our projects">Our projects</h1>

Checked with w3c validator, the error is not considered.

What can specify the title attribute in the page headers? Is this any good for seo website promotion?
March 19th 20 at 08:49
2 answers
March 19th 20 at 08:51
Solution
Checked with w3c validator, the error is not considered.

And then suddenly should be considered a failure?

What can specify the title attribute in the page headers?

htmlbook.ru/html/attr/title

Is this any good for seo website promotion?

Yes. There are many options, the most common, when the content of the picture and the title gives you the text version. In addition, may contain a more advanced text than the content. Your version is so to speak a default, simply a duplication of content.
March 19th 20 at 08:53
Hello! The tittle attribute of being a universal attribute of (refers to the class attributes) - can not by definition result from errors in code validation. And Yes - its presence is an option for reading voice devices (applications) to provide content for the visually impaired, and if "pounding" - you can relate it to the category of strengthening of the semantic core.

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