w3c / w3c/css-validator

Not possible to validate styles for error pages

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Dominant language
Java
Stars
250
Forks
123
PR merge metrics
No merged PRs in 30d

Description

I find it impossible to validate styles on error pages (e.g. HTTP 404). There is no such option in the web interface and I do not find such parameter in the documentation. I would be very nice to have this feature.

P.S. The Markup Validation Service supports such validation with option "Validate error pages" and parameter No200, but redirects to The Nu Html Checker.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the CSS Validator web interface and the request-format documentation linked in the issue, then compare the Markup Validation Service's “Validate error pages” option and No200 parameter. Done means error-page styles can be submitted for validation through the interface and documented request format, with the behavior covered by the project's existing checks.

Written by the indexing model from the issue text.

Assessment

Tech stack
css, java
Domain
api, web-dev
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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