W2XQ.com : Web Development

Links

1. ahrefs Broken Link Checker
2. Broken Link Checker
3. Callout Message
   1. Callout Message, How to Create
4. Color
   1. CSS Color Chart
   2. HTML Color Codes
   3. HTML Color Picker
5. Convert MP4 to GIF
6. Copyscape (plagiarism)
7. CSS
   1. Clean HTML layouts that use just 1 line of CSS
   2. CSS-Tricks
   3. DEV Community
      1. Habdul Hazee
         1. CSS Animations and Transitions
      2. 10 of the best CSS Animations Libraries
   4. A list of CSS resources for beginners
   5. Making Your Links Look Pretty
8. DNSlytics
9. Downdetector
10. Flag Counters
11. Free Clocks for Your Website
12. Free Web Tools
13. GeoCities Animated GIF Search Engine
14. Google Search Console
15. How to Create a Countdown Timer
16. How to Make a Website Responsive in Just 15 Minutes
17. HTML Character Coding
    1. HTML Codes – Characters and Symbols
    2. HTML Symbol Entries
    3. A List Apart: The Trouble With EM ’n EN (and Other Shady Characters)
18. HTML5 & CSS3 Visual Quickstart Guide
19. HTMLEscape
20. Internet Speed Tests
    1. Speedtest
    2. XFINITY Speed Test
21. IP Chicken
22. Javascript Source
23. Javascript Tricks
24. Javascript World
25. Keyhole Markup Language (KML) Documentation
26. NetBlocks (mapping internet freedom)
27. Online HTML Beautifier
28. PNG Downloads (transparent graphics)
29. Programmable Search Engine | Google
30. scrollUp Demo
31. Search Engines… Top 15 Most Popular
32. Sitemaps
    1. Build and submit a sitemap
33. Quackit Web Tutorials
34. Test My Site With Google
35. W3C — World Wide Web Consortium
    1. W3C Link Checker
    2. W3C Markup Validation Service
    3. W3C CSS Validation Service
36. Web Hypertext Application Technology Working Group (WHATWG) (HTML5)
37. Web Robots
38. Website Change Tracking
    1. Trackly
    2. Visualping
    3. 5 Best Free Tools to Monitor Website Changes
39. WorldTimeBuddy
40. 5 things you can do with CSS instead of JavaScript