Title: Validate HTML error in fvm-script-delay
Last modified: September 9, 2021
---
# Validate HTML error in fvm-script-delay
* Resolved [casacochecurro](https://wordpress.org/support/users/casacochecurro/)
* (@casacochecurro)
* [4 years, 9 months ago](https://wordpress.org/support/topic/validate-html-error-in-fvm-script-delay/)
* Hi Raul,
* When I pass test for a url in Validator.w3.org, like in example in url [https://www.casacochecurro.com/11-claves-de-como-hacer-un-buen-cv-2018.html](https://www.casacochecurro.com/11-claves-de-como-hacer-un-buen-cv-2018.html),
in this test:
* [https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.casacochecurro.com%2F11-claves-de-como-hacer-un-buen-cv-2018.html](https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.casacochecurro.com%2F11-claves-de-como-hacer-un-buen-cv-2018.html)
* You can see the errors in validate HTML, like errors 1, 2, 5, 6 and 24.
* Is there any possible fix to solve the ERROR HTML?
* Thanks!
- This topic was modified 4 years, 9 months ago by [casacochecurro](https://wordpress.org/support/users/casacochecurro/).
* The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fvalidate-html-error-in-fvm-script-delay%2F%3Foutput_format%3Dmd&locale=en_US)
to see the link]_
Viewing 2 replies - 1 through 2 (of 2 total)
* Plugin Author [Raul P.](https://wordpress.org/support/users/alignak/)
* (@alignak)
* [4 years, 9 months ago](https://wordpress.org/support/topic/validate-html-error-in-fvm-script-delay/#post-14856558)
* The validation is just a guideline, it’s telling you that it doesn’t recognize
the fvm-script-delay as a javascript type, because it’s not part of the specification.
It’s telling you, that there is a error so the scripts won’t run.
* But creating the error and not being part of the specification is intended. It’s
required to bypass javascript execution there, and then there will be a proper
script at the bottom, that runs these types later. If it was valid, the script
would not be delayed.
* This is similar to what cloudflare does, as well as any other plugin that delays
javascript. Being invalid, doesn’t mean it does not work. Only that it’s unexpected,
according to the specification on HTML.
* [https://community.cloudflare.com/t/rocketloader-causing-w3c-errors/17991/3](https://community.cloudflare.com/t/rocketloader-causing-w3c-errors/17991/3)
* If you want to delay the scripts, you have to make them invalid so the browser
will ignore them. Then later, you manually execute them on interaction or some
other rule.
* Thread Starter [casacochecurro](https://wordpress.org/support/users/casacochecurro/)
* (@casacochecurro)
* [4 years, 9 months ago](https://wordpress.org/support/topic/validate-html-error-in-fvm-script-delay/#post-14857597)
* Thank you Raul, I think I understand right now much better and I won’t care about
it.
Viewing 2 replies - 1 through 2 (of 2 total)
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* 2 replies
* 2 participants
* Last reply from: [casacochecurro](https://wordpress.org/support/users/casacochecurro/)
* Last activity: [4 years, 9 months ago](https://wordpress.org/support/topic/validate-html-error-in-fvm-script-delay/#post-14857597)
* Status: resolved