Website odonatacentral.org

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

Websites using some form of Captcha technology on them.

GoDaddy nameserver services

Caddy is an alternative web server that is easy to configure and use.

Python is a widely used general-purpose, high-level programming language. Its design philosophy emphasizes code readability, and its syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C. The language provides constructs intended to enable clear programs on both a smal...

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. This metric displays sites that are using Django + CSRF.

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.

Paypal subscription button.

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.

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

Sites using Html 5 SVG 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 image entity tag

Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.

The iconic font and CSS toolkit

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.