There's that green structure link in search results, like seen below: When I'm looking at the HTML of that page, there's just a simple place at the bottom with categories: <tbody><tr data-count=1 class= ><td class='' ><span class=''><a href='/topsites/category/Computers/'>Computers</a> <span class='text-gt'>&gt;</span> <a href='/topsites/category/Computers/Hacking/'>Hacking</a> <span class='text-gt'>&gt;</span> <a href='/topsites/category/Computers/Hacking/Hardware/'>Hardware</a></span></td>                    </tr></tbody>This is the eample page: http://www.alexa.com/siteinfo/hackaday.comHow can I encourage Google to do the same for my site?
How to add categories snippet to search result
seo;google search;rich snippets;categories
You need breadcrumb snippet for that. Click on see markup data for example.Below is breadcrumb I use it, in my own website.<div class=breadcrumb><span itemscope=itemscope itemtype=http://data-vocabulary.org/Breadcrumb><a href=/ itemprop=url><span title=Goyllo itemprop=title>Goyllo</span></a></span><span itemscope=itemscope itemtype=http://data-vocabulary.org/Breadcrumb>&#187; <a href=/seo/ itemprop=url><span title=Search Engine Optimization itemprop=title>Search Engine Optimization</span></a></span><span itemscope=itemscope itemtype=http://data-vocabulary.org/Breadcrumb>&#187; <a href=/seo/basics/ itemprop=url><span title=SEO Basics itemprop=title>SEO Basics</span></a></span></div>This will show snippet like this in serpwww.yoursite.com  Search Engine Optimization  SEO BasicsData vocabulary is still supported by Google, I am still using it in my website from 2015 to 2017. Here is SS