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CSS HTML Validator 2025 (v25.01) Now Available!

Last post by Albert Wiersch « Tue Jan 07, 2025 6:38 pm
Posted in Other CSS HTML Validator
Replies: 1
by Albert Wiersch » Thu Dec 05, 2024 10:22 pm » in Other CSS HTML Validator

1 Replies

127 Views

Last post by Albert Wiersch
Tue Jan 07, 2025 6:38 pm

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PLEASE READ BEFORE POSTING (How To's and Known Issues)

Last post by Albert Wiersch « Sat Jan 01, 2005 2:08 pm

by Albert Wiersch » Sat Jan 01, 2005 2:08 pm

0 Replies

29967 Views

Last post by Albert Wiersch
Sat Jan 01, 2005 2:08 pm
False error 404 reported ?

Last post by Albert Wiersch « Fri Jan 10, 2025 2:51 pm
Replies: 7
by ktp » Thu Jan 09, 2025 3:22 am

7 Replies

64 Views

Last post by Albert Wiersch
Fri Jan 10, 2025 2:51 pm
View source in Firefox using CSS HTML Validator editor

Last post by Albert Wiersch « Thu Jan 09, 2025 4:24 pm
Replies: 1
by ktp » Thu Jan 09, 2025 3:10 pm

1 Replies

18 Views

Last post by Albert Wiersch
Thu Jan 09, 2025 4:24 pm
How to open from Firefox?

Last post by markwolk « Wed Jan 08, 2025 2:56 pm
Replies: 3
by markwolk » Tue Jan 07, 2025 8:40 pm

3 Replies

54 Views

Last post by markwolk
Wed Jan 08, 2025 2:56 pm
Is breadcrumb json-ld supported?

Last post by Albert Wiersch « Wed Jan 08, 2025 2:11 pm
Replies: 3
by ktp » Mon Dec 14, 2020 8:07 am

3 Replies

1958 Views

Last post by Albert Wiersch
Wed Jan 08, 2025 2:11 pm
Typo in warning message

Last post by Albert Wiersch « Wed Dec 18, 2024 1:48 pm
Replies: 1
by dthomason@pcci.edu » Wed Dec 18, 2024 1:32 pm

1 Replies

53 Views

Last post by Albert Wiersch
Wed Dec 18, 2024 1:48 pm
Don't Understand Error message

Last post by Albert Wiersch « Tue Nov 05, 2024 2:17 pm
Replies: 3
by paulp575 » Tue Nov 05, 2024 12:57 pm

3 Replies

391 Views

Last post by Albert Wiersch
Tue Nov 05, 2024 2:17 pm
Validator Engine Message Filters missing some Message Filters

Last post by Albert Wiersch « Wed Jun 26, 2024 8:56 pm
Replies: 1
by DimitriAus » Wed Jun 26, 2024 7:29 pm

1 Replies

1308 Views

Last post by Albert Wiersch
Wed Jun 26, 2024 8:56 pm
[SOLVED] No Sound (HTML Validator PRO Version 24.0200)

Last post by paulp575 « Mon Jun 24, 2024 4:49 pm
Replies: 17
by paulp575 » Thu Jun 13, 2024 12:32 am
1

2
17 Replies

1640 Views

Last post by paulp575
Mon Jun 24, 2024 4:49 pm
Should aria-hidden influence other accessibility errors and warnings?

Last post by Albert Wiersch « Thu May 09, 2024 4:04 pm
Replies: 3
by dthomason@pcci.edu » Wed May 08, 2024 11:11 am

3 Replies

1421 Views

Last post by Albert Wiersch
Thu May 09, 2024 4:04 pm
[RESOLVED] Internal Links "Not Found" (Validator Version 23.0400 Pro)

Last post by VBprayer « Thu Mar 07, 2024 3:21 am
Replies: 7
by paulp575 » Sat Nov 25, 2023 12:13 am

7 Replies

12439 Views

Last post by VBprayer
Thu Mar 07, 2024 3:21 am
msapplication-* meta name values

Last post by Albert Wiersch « Tue Oct 24, 2023 9:34 pm
Replies: 4
by ReneK » Thu May 29, 2014 11:47 am

4 Replies

11678 Views

Last post by Albert Wiersch
Tue Oct 24, 2023 9:34 pm
Possible leniency in :has selector

Last post by Albert Wiersch « Wed Oct 04, 2023 12:52 pm
Replies: 4
by TomHTML » Tue Oct 03, 2023 11:15 pm

4 Replies

4175 Views

Last post by Albert Wiersch
Wed Oct 04, 2023 12:52 pm
Bug: Validator doesn't recognize CSS variables in "border"

Last post by TomHTML « Mon Sep 18, 2023 10:34 am
Replies: 2
by TomHTML » Sun Sep 17, 2023 12:03 pm

2 Replies

3222 Views

Last post by TomHTML
Mon Sep 18, 2023 10:34 am
Bug: transform does not recognize variables

Last post by Albert Wiersch « Sun Sep 17, 2023 11:27 pm
Replies: 1
by TomHTML » Sun Sep 17, 2023 11:42 am

1 Replies

3029 Views

Last post by Albert Wiersch
Sun Sep 17, 2023 11:27 pm
<input> and "autocomplete=off": contradictory warnings?

Last post by Albert Wiersch « Fri Sep 08, 2023 4:30 pm
Replies: 3
by ktp » Fri Sep 08, 2023 9:48 am

3 Replies

3551 Views

Last post by Albert Wiersch
Fri Sep 08, 2023 4:30 pm
Disable checking internal links for redirects

Last post by Albert Wiersch « Fri Sep 01, 2023 9:49 am
Replies: 6
by JimM77 » Wed Aug 30, 2023 3:32 am

6 Replies

3885 Views

Last post by Albert Wiersch
Fri Sep 01, 2023 9:49 am
charset of PHP included files

Last post by Albert Wiersch « Wed Aug 30, 2023 4:24 pm
Replies: 5
by JimM77 » Tue Aug 29, 2023 6:25 am

5 Replies

3605 Views

Last post by Albert Wiersch
Wed Aug 30, 2023 4:24 pm
Accessibility error due to "label" element with no text

Last post by Albert Wiersch « Wed Aug 30, 2023 12:23 am
Replies: 3
by ktp » Mon Aug 28, 2023 11:55 pm

3 Replies

3450 Views

Last post by Albert Wiersch
Wed Aug 30, 2023 12:23 am
Accessibility: role="main" not taken into account in <div> ?

Last post by Albert Wiersch « Mon Aug 28, 2023 12:41 pm
Replies: 3
by ktp » Mon Aug 28, 2023 10:03 am

3 Replies

3406 Views

Last post by Albert Wiersch
Mon Aug 28, 2023 12:41 pm
Easy comment out or repeated attributes

Last post by Albert Wiersch « Tue Jun 13, 2023 4:49 pm
Replies: 3
by markwolk » Mon Jun 12, 2023 6:11 pm

3 Replies

6937 Views

Last post by Albert Wiersch
Tue Jun 13, 2023 4:49 pm
no autocomplete attribute

Last post by Albert Wiersch « Wed May 10, 2023 11:34 am
Replies: 2
by amir512 » Mon May 08, 2023 8:19 pm

2 Replies

3602 Views

Last post by Albert Wiersch
Wed May 10, 2023 11:34 am
Label without for attribute

Last post by Albert Wiersch « Mon May 08, 2023 9:00 pm
Replies: 1
by amir512 » Mon May 08, 2023 5:22 pm

1 Replies

3491 Views

Last post by Albert Wiersch
Mon May 08, 2023 9:00 pm
href tag issue

Last post by Albert Wiersch « Fri May 05, 2023 6:37 pm
Replies: 3
by amir512 » Thu May 04, 2023 1:33 pm

3 Replies

3640 Views

Last post by Albert Wiersch
Fri May 05, 2023 6:37 pm
401 Unauthorized when trying to validate internal web application

Last post by ray.evans « Wed May 03, 2023 10:14 am
Replies: 2
by ray.evans » Tue May 02, 2023 4:39 pm

2 Replies

3440 Views

Last post by ray.evans
Wed May 03, 2023 10:14 am
Separate report for each website?

Last post by Albert Wiersch « Wed Apr 26, 2023 10:47 am
Replies: 3
by jtramontana » Tue Apr 25, 2023 1:27 pm

3 Replies

4103 Views

Last post by Albert Wiersch
Wed Apr 26, 2023 10:47 am
Turn off Comment "Errors only" mode enabled?

Last post by Albert Wiersch « Tue Apr 25, 2023 8:42 pm
Replies: 1
by jtramontana » Tue Apr 25, 2023 7:51 am

1 Replies

3180 Views

Last post by Albert Wiersch
Tue Apr 25, 2023 8:42 pm
Look for exact files in a directory?

Last post by Albert Wiersch « Tue Apr 25, 2023 12:54 pm
Replies: 3
by jtramontana » Tue Apr 25, 2023 6:52 am

3 Replies

3965 Views

Last post by Albert Wiersch
Tue Apr 25, 2023 12:54 pm
Can I use Validator to batch find/replace?

Last post by Albert Wiersch « Mon Apr 24, 2023 11:33 am
Replies: 1
by jtramontana » Mon Apr 24, 2023 11:23 am

1 Replies

3275 Views

Last post by Albert Wiersch
Mon Apr 24, 2023 11:33 am
[ANSWERED] Input Mask

Last post by paulp575 « Thu Mar 23, 2023 12:05 pm
Replies: 2
by paulp575 » Wed Mar 22, 2023 3:50 pm

2 Replies

4421 Views

Last post by paulp575
Thu Mar 23, 2023 12:05 pm
Bug: Access violation whne clicking "Response" tab in report

Last post by Albert Wiersch « Fri Mar 10, 2023 9:39 am
Replies: 1
by rkg82tg » Fri Mar 10, 2023 12:57 am

1 Replies

3345 Views

Last post by Albert Wiersch
Fri Mar 10, 2023 9:39 am
Batch compare files against a master?

Last post by Albert Wiersch « Fri Feb 24, 2023 2:16 pm
Replies: 9
by jtramontana » Thu Feb 23, 2023 1:16 pm

9 Replies

5405 Views

Last post by Albert Wiersch
Fri Feb 24, 2023 2:16 pm
Batch skip sub-sub directory?

Last post by Albert Wiersch « Fri Feb 24, 2023 12:45 pm
Replies: 1
by jtramontana » Fri Feb 24, 2023 12:22 pm

1 Replies

3199 Views

Last post by Albert Wiersch
Fri Feb 24, 2023 12:45 pm
Listing criteria for Validator to check?

Last post by Albert Wiersch « Thu Feb 23, 2023 2:39 pm
Replies: 1
by jtramontana » Thu Feb 23, 2023 12:42 pm

1 Replies

3224 Views

Last post by Albert Wiersch
Thu Feb 23, 2023 2:39 pm
[ANSWERED] HTML Validator 2023 (v23.00) and Windows 7

Last post by Albert Wiersch « Mon Feb 13, 2023 1:31 pm
Replies: 6
by paulp575 » Mon Jan 23, 2023 5:08 pm

6 Replies

4449 Views

Last post by Albert Wiersch
Mon Feb 13, 2023 1:31 pm
hyperlink shortcut ?

Last post by Albert Wiersch « Sat Feb 11, 2023 11:17 am
Replies: 1
by DimitriAus » Sat Feb 11, 2023 3:12 am

1 Replies

3469 Views

Last post by Albert Wiersch
Sat Feb 11, 2023 11:17 am
Bug: media query value for "sizes" attribute of <source> element not recognized

Last post by TomHTML « Tue Jan 31, 2023 11:20 am
Replies: 5
by TomHTML » Wed Jan 25, 2023 12:19 pm

5 Replies

5157 Views

Last post by TomHTML
Tue Jan 31, 2023 11:20 am
Possible error: Video element with source inside P

Last post by TomHTML « Wed Jan 25, 2023 6:18 pm
Replies: 2
by TomHTML » Wed Jan 25, 2023 3:45 pm

2 Replies

3820 Views

Last post by TomHTML
Wed Jan 25, 2023 6:18 pm
Error Opening File UTF-8 Encoding Problem

Last post by Albert Wiersch « Sun Dec 18, 2022 10:29 am
Replies: 1
by Bookkeeper » Sun Dec 18, 2022 12:21 am

1 Replies

3428 Views

Last post by Albert Wiersch
Sun Dec 18, 2022 10:29 am
No "skip to" links were detected in this document.

Last post by Lou « Tue Dec 13, 2022 4:39 pm
Replies: 6
by Lou » Sun Dec 11, 2022 5:27 pm

6 Replies

5403 Views

Last post by Lou
Tue Dec 13, 2022 4:39 pm
[ANSWERED] HTML Validator generating false positive

Last post by paulp575 « Mon Nov 14, 2022 10:56 am
Replies: 7
by paulp575 » Sun Nov 13, 2022 6:27 pm

7 Replies

5134 Views

Last post by paulp575
Mon Nov 14, 2022 10:56 am
Bad ID reference error

Last post by Albert Wiersch « Thu Nov 10, 2022 8:11 am
Replies: 5
by JimM77 » Tue Nov 08, 2022 3:27 am

5 Replies

4611 Views

Last post by Albert Wiersch
Thu Nov 10, 2022 8:11 am
Checking Links

Last post by Albert Wiersch « Mon Nov 07, 2022 3:49 pm
Replies: 5
by RCJones » Mon Nov 07, 2022 12:13 pm

5 Replies

4251 Views

Last post by Albert Wiersch
Mon Nov 07, 2022 3:49 pm
"Windows version not supported" error

Last post by Albert Wiersch « Wed Sep 21, 2022 10:28 am
Replies: 7
by acroglobal » Thu Jul 21, 2022 10:41 am

7 Replies

5145 Views

Last post by Albert Wiersch
Wed Sep 21, 2022 10:28 am
node.exe Entry Point Not Found

Last post by Albert Wiersch « Thu Sep 01, 2022 11:15 am
Replies: 2
by DimitriAus » Tue Jul 05, 2022 10:16 pm

2 Replies

5678 Views

Last post by Albert Wiersch
Thu Sep 01, 2022 11:15 am
FIX: (Windows 7) GetHostNameW could not be located

Last post by Albert Wiersch « Wed Aug 31, 2022 10:39 pm

by Albert Wiersch » Wed Aug 31, 2022 10:39 pm

0 Replies

16404 Views

Last post by Albert Wiersch
Wed Aug 31, 2022 10:39 pm
Bad attribute "xxx" on element <DIV>

Last post by RobvS « Sun Jul 24, 2022 2:19 pm
Replies: 2
by RobvS » Sun Jul 24, 2022 12:19 pm

2 Replies

4001 Views

Last post by RobvS
Sun Jul 24, 2022 2:19 pm
Validator can't see certain headings wrapped in DIV elements

Last post by Albert Wiersch « Sat Jul 23, 2022 6:28 pm
Replies: 3
by TomHTML » Sat Jul 23, 2022 9:24 am

3 Replies

3993 Views

Last post by Albert Wiersch
Sat Jul 23, 2022 6:28 pm
[ANSWERED] Version 22.0220 Reports Error; Can't Find Error

Last post by paulp575 « Sun Jun 12, 2022 11:39 am
Replies: 14
by paulp575 » Thu Jun 09, 2022 9:31 pm

14 Replies

7447 Views

Last post by paulp575
Sun Jun 12, 2022 11:39 am
Installing v22.0210 - Getting Error About Uninstalling v21

Last post by paulp575 « Wed May 25, 2022 4:24 pm
Replies: 2
by paulp575 » Tue May 24, 2022 9:12 pm

2 Replies

3707 Views

Last post by paulp575
Wed May 25, 2022 4:24 pm

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