About a year ago, Google rebranded its Google webmaster tools to google search console. On googles blog, they explain the search console rebranding:
It turns out that the traditional idea of the “webmaster” reflects only some of you. We have all kinds of Webmaster Tools fans: hobbyists, small business owners, SEO experts, marketers, programmers, designers, app developers, and, of course, webmasters as well.
Now it looks like they are finally changing the URL. It looks as if Google is changing it from /webmasters to /search-console. If you click on this search console link, it says:
Thanks for trying Search Console’s new Mobile-Friendly Test! We are gradually rolling this feature out; please try again in a few days!
So get ready to change some bookmarks!