Website iv.pl

This website contains tracking information that allows admins to see Facebook Insights out of Facebook to this domain.

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser and allows you to target specific browser functionality in your stylesheet.

Spin.js dynamically creates spinning activity indicators that can be used as resolution-independent replacement for AJAX loading GIFs.

jQuery: The Write Less, Do More, JavaScript Library.

Websites with links to WhatsApp app.

iOS Safari instructions for mobile web apps

This site uses the viewport meta tag which means the content may be optimized for mobile content.

Using this tag you can set up your web app to have an application shortcut icon added to a device's homescreen, and have the app launch in full-screen "app mode".

Websites using some type of Facebook technology.

Websites using Google technologies

See what your Facebook friends have liked, shared, or commented on across the Web. This includes all variations of Like, Share and Follow Buttons, Embedded Posts, Comments, Activity Feed, Recommendations Feed, Recommendations Bar, Like Box and Facepile.

Share on Weibo, a Chinese microblogging service

Google+ platform websites integration using the Google+ platform tag.

Google+ Sign-In button allows users to authenticate on websites using their Google+ account.

Use your Facebook account to sign into other sites and see what your friends are doing across the web.

Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.

Websites using https protocol.

The DOCTYPE is a required preamble for HTML5 websites.