Check a list of pages for HTML errors and warnings

Created by

Alexandre Paradis

Actor

W3C HTML Validator

Validate a fixed list of pages, such as landing pages before a launch, with the W3C Nu Html Checker. Each page gets its error and warning counts and the full list of messages. Replace the example URLs with your own.

Try for free

W3C HTML Validatorservice-paradis/w3c-html-reporter

Page

Severity

Message

From line

+3 fields

Input

Start URLs(required)

url:https://www.python.org/about/+2

Messages to list:warning

Output fields

Page

Severity

Message

From line

To line

Column

Markup

How it works

Sign up on Apify or log in

The W3C HTML Validator Actor is ready to run with the inputs already set for "Check a list of pages for HTML errors and warnings". Sign up or log in and you'll land in Apify Console with a copy of this exact task.

Start the "Check a list of pages for HTML errors and warnings" task

The W3C HTML Validator Actor will start running based on the input automatically. You can also change all the input fields, like start urls and messages to list, to match your specific use case.

Receive the "Check a list of pages for HTML errors and warnings" output

Monitor the progress in real time. You will be notified as soon as your dataset is complete and ready for review. Each result includes data such as page, severity, message, and more.

Integrate into your workflow

The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow. You can also run the "Check a list of pages for HTML errors and warnings" task via API.