[1] Fix #208: remove the Microdata API · whatwg/html@2aaecb8 ( 版) <https://github.com/whatwg/html/commit/2aaecb89900b875b9ee8357fa8bccf48477358bb>
[2] Sitelinks Search Box | Structured Data | Google Developers ( 版) <https://developers.google.com/structured-data/slsb-overview>
<div itemscope itemtype="http://schema.org/WebSite">
<meta itemprop="url" content="https://www.example.com/"/>
<form itemprop="potentialAction" itemscope itemtype="http://schema.org/SearchAction">
<meta itemprop="target" content="https://query.example.com/search?q={search_term_string}"/>
<input itemprop="query-input" type="text" name="search_term_string" required/>
<input type="submit"/>
</form>
</div>