117 + Web tools and resources
WebPageTest
A web performance tool providing deep diagnostic information about how a page performs under a variety of conditions.
It Tools
Aggregated set of useful tools that every developer and tester may need once in a while.
Text comparator
This simple yet effective tool helps you compare two texts, and reveals the similarities and differences.
Security List
Curated lists of tools, tips and resources for protecting digital security and privacy
UI Bakery RegEx Library
A curated list of useful regular expressions for different programming languages.
Violating GDPR?
Enter a URL and this tool will tell you if the website is violating GDPR laws.
regex:help!
An online tool to help you easily generate, test, and refine your regular expressions.
Automated Software Testing...
Unit Testing, Coverage Criteria and Design for Testability.
How to Make Software Fail
Learn how to catch bugs and break software as you discover different testing methods that will help you build better software.
DenyHosts
DenyHosts is a script intended to be run by Linux system administrators to help thwart SSH server attacks (also known as dictionary based attacks and brute force attacks).
Fail2ban
It scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc
Mozilla Observatory
online tool that you can use to check any website’s header status.
regular expressions 101
Regex101.com is an interactive regular expression console that lets you debug your expressions in real-time.
Lighthouse Simulator
This tool runs a Lighthouse performance test at a range of different network speeds.
Responsive Viewer
Show multiple screens once, Responsive design tester.
Web Developer Checklist
Chrome and Firefox extension to discover problem areas in websites.
TestProject
TestProject is the world's first 100% free test automation platform for Web, Android, iOS and API testing, trusted by over 150,000 users in the testing community.
The Four Hour Tester
Learn software testing by focusing on simple exercises that take at most one hour to complete.
Image Optimization Test
An online tool to enter a URL to see how well the images are optimized and what you can do to improve them.
ct.css
A diagnostic CSS snippet that exposes potential performance issues in your page’s `head` element.
Nginx Playground
An nginx playground website created by Julia Evans where we can paste the nginx configuration and test it out.
The WebAIM Million
An annual accessibility analysis of the top 1,000,000 home pages