3 items
Check the HTML start and end tags for problems. This extension displays errors in the HTML code of the page you are viewing, such as mistakes in the opening and closing tags. ## Main Features - Displays results in a separate tab - Shows the number of errors on the icon - Automatic checking - Settings for sites you want to automatically check - Exclusion settings for specified sites - Custom warning rules - HTML File Analysis ## Caution The code is checked using JavaScript, so no data is sent externally. Behavior may be unpredictable on pages that use forms, such as login screens.
Mar 30, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.