Checking and Debugging - Musharof Chy
UITest.com Site Check
Tool tests websites with a wide range of usability, accessibility, web standards and best practices...
Backward Compatibility Viewer
Web page viewer for checking backward compatibility according to HTML version standards or specific...
Cache Manifest Validator
Online tool to validate web application offline storage manifests.
Ubiqway Website Checker
This service tests if a web page follows good practices related to performance, usability, web stan...
Favicon Checker
Check the Favicon of a website and validate it works well on all major platforms.
Internationalization Checker
W3C tool to determine the level of internationalization-friendliness of a web page.
Server Response Checker
Tool to read server response headers in different formats.
Twitter Card Validator
Tool to validate HTML for Twitter Cards. Requires a Twitter account.
Microsoft Static Code Scan
Tool to scan code on any URL for out-of-date libraries, layout issues, and accessibility concerns.
Facebook Sharing Debugger
Facebook crawler to see the information that is used when website content is shared on Facebook pro...
Mozilla Observatory
Tool to help developers, system administrators, and security professionals configure their websites...