Detect broken videos on a specific page

Broken video tag detection tool
Broken video tag detection tool

Purpose of broken video tag detection tool

This tool can be used to detect broken videos on a specific web page.

Requirements to use this tool

To use this tool, a user should have "Toolkit For Web Developer" chrome extension installed on their web browser.

To download and install "Toolkit For Web Developer", please visit our download page: Download Toolkit For Web Developer

Supported document types

Document type Supported
main document yes
iframe elements no
shadow dom yes

Nested shadow elements are not supported by this tool.

This tool also does not support shadow root opened with the closed mode.

Features of this tool

  • Allows a user to whitelist specific URL schemes from getting checked to avoid false positives.
  • Exclude specific URLs from getting checked.
  • Provides a user with various rate limiting options to avoid sending too many requests at a time.
  • Allows a user to skip external URLs from getting checked.

Limitations of this tool

  • Sending too many get requests for validating linked resource can get a user's IP address to get blacklisted or rate limited by the server.
  • Most external URLs can't be verified to be correct or not because some servers are configured to disallow cross origin requests.

How to start "Detect broken video tag" tool

  • After visiting a specific page right click on it.
  • This will open context menu of "Toolkit For Web Developer" extension.
  • Click on "Open content tools" from context menu this will add a content tool window on a user's screen.
  • Select "Detect broken video tag" tool from the left drawer menu.
  • After that, "Detect broken video tag" tool will be shown on right side of the window.

Input parameters

  • Whitelisted schemes: This input parameter allows a user to select schemes that must be whitelisted. Whitelisted schemes will not result in an error while checking for broken tags.

  • Excluded URLs: This input parameter allows a user to specify what URLs must be excluded from getting checked. Excluded URLs will be skipped from getting checked by the tool regardless of whether they are valid or not.

  • Highlight Options: Allows a user to specify whether valid links should be highlighted or not. If box is unchecked then valid links won't be highlighted.

  • Rate limiting: This option allows a user to specify a time interval between two consecutive HTTP requests while an element is checked. Using this option a user can control the number of HTTP requests sent per minute.

  • Skip external URLs: This option allows a user to specify whether external URLs should be skipped or not. If this option is checked then all external URLs will be skipped from getting checked.

Detecting broken tags

After a user have provided required input parameters click on "Start Detecting" button to start detecting broken tags.

Depending on whether a tag is valid or not it will be highlighted with appropriate color.

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