Website postgis.net

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.

Hugo website builder

PayPal is a American international e-commerce service that enables companies and individuals to send money and to accept payments without revealing any financial details.

Open graph type entity tag

Open graph url entity tag

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 site name entity tag

Open graph description entity tag

A web page. Every web page is implicitly assumed to be declared to be of type WebPage, so the various properties about that webpage, such as breadcrumb may be used. We recommend explicit declaration if these properties are specified, but if they are found outside of an itemscope, they will be assumed to be about the page

Sites using Html 5 SVG Tag

Indicates that the site provides an interface specifically for searching the document and its related resources.

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.

The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.

By adding rel="home" to a hyperlink, a page indicates that the destination of that hyperlink is the homepage of the site in which the current page appears.