tsuru is an extensible and open source platform as a service (paas) that uses docker to make deploys simple and fast.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
The DOCTYPE is a required preamble for HTML5 websites.
Websites using https protocol.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
Open graph image entity tag
Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.
Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.
The iconic font and CSS toolkit
These websites are related to tsuru.io in terms of content, traffic and structure