Header Checker Chrome 插件, crx 扩展下载

                    
Free Header Tag Checker Tool (H1 up to H6)
Heading Tag Checker is a free header tag checker tool, which could be very useful if you want to check a page and know what kind of heading tags it is using, and how many of them are on the page.
Heading tag checker is a wonderful tool that every blogger must use, because it gives a great look on how competitors are organizing their content, and this will help you to super pass them.
Header Checker is very easy to use, you do not have to check every head tag manually from "Inspect Element" or by using a web application to show how many head tag or what are their types, just by adding the Heading tag checker to your browser you could know the type of Heading tags as simple as just hovering over the element.

The tool will check HTML heading tags from H1 to H6, after that it will give each element a unique background color, so, it will be clear to you which elements in the page are heading tags. At the time you hover on the colored element, you will see the type of the header tag.

Heading tag checker free tool is very handy and works with all kinds of websites either with HTTP or HTTPS and checks tags from H1 to H6.