This is a very simple tool to generate qrcodes using a webform or using a simple API. It is provided by w3.at.
W3C's primary activity is to develop protocols and guidelines that ensure long-term growth for the Web. W3C's standards define key parts of what makes the World Wide Web work.
The mission of the IETF is to make the Internet work better by producing high quality, relevant technical documents that influence the way people design, use, and manage the Internet.
With this validator you can check the syntax and correctness of your webpages either by URL or file upload.
With this validator you can check the syntax and correctness of your css files either by URL or file upload.
The most important web browser. Currently more than 50% use the Chrome browser.
Mozilla/Firefox was one of the first browsers available for allmost all plattforms, and moved web development forward for many years.