Html Validator

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.

Total ratings

4.26 (Rating count: 27)

Review summary

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Helps catch errors while writing HTML
  • Highlights where errors are located on pages
  • Valuable for learning and writing clean HTML code
Cons
  • No longer supports CSS HTML Validator
  • Validation sometimes yields false warnings when offline
  • New version does not allow validating frames in Firefox
  • Extension options seem to be partially broken; compatibility issues with newer Firefox versions and Chrome
Most mentioned
  • Marc Gueury (developer's involvement and updates)
  • CSS HTML Validator support absence
  • Need for a clean install for some users to fix issues
  • New version requires an extra click, less immediate visibility of problems
See reviews for Html Validator on Firefox Browser Add-ons
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User reviews

Recent rating average: 4.50
All time rating average: 4.26
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Rating filters

5 star
70% (21) 4 star
10% (3) 3 star
17% (5) 2 star
0% 1 star
3% (1)
Date Author Rating Comment
2024-07-02 Firefox user 18476000 this add is good
2024-01-28 andale
2023-05-30 Lantana Al Sadly does not support CSS HTML Validator any longer... but maybe Marc will one day be able to add support for it back in.
2023-03-31 天灭中共退党团队保平安
2023-01-12 lili 欢迎光临翻墙部落! 打开天窗，听听外面的声音! 穿越迷雾，寻找人生真谛! https://github.com/osurf/jzdy/blob/master/README.md?
2023-01-08 user
2022-12-30 fanqiang 欢迎光临翻墙部落! 打开天窗，听听外面的声音! 穿越迷雾，寻找人生真谛! https://github.com/osurf/jzdy/blob/master/README.md?
2022-12-27 翻墙部落 欢迎光临翻墙部落! 打开天窗，听听外面的声音! 穿越迷雾，寻找人生真谛! https://github.com/osurf/jzdy/blob/master/README.md?
2022-12-23 GanJingWorld Gan Jing World is a clean, curated universe and a dynamic, overlapping network of integrated platforms and services. ==> https://www.ganjing.com
2022-10-11 Firefox user 17605223
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