Website protonbob.com

New Relic offers SaaS Application Performance Management and Real User Monitoring for Cloud and Data Center deployed web applications implemented in Ruby, Java, .NET or PHP.

Websites using some form of Captcha technology on them.

Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.

Previously Google Apps for Business. G Suite is a cloud-based productivity suite that helps you and your team connect and get work done from anywhere on any device. It's simple to setup, use and manage, allowing you to work smarter and focus on what really matters.

Amazon hosting services.

Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator. Varnish is focused exclusively on HTTP, unlike other pro...

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

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

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 act of searching for an object. Related actions: FindAction: SearchAction generally leads to a FindAction, but not necessarily.

A WebSite is a set of related web pages and other items typically served from a single web domain and accessible via URLs.

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

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.