Markup Validator

Name: Markup Validator
Author: grinvik.com

grinvik.com · Workflow & Planning

Open in Chrome Web Store Website

Users

Avg rating

—

Ratings

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Updated

Aug 4, 2026

Media

1 item

Description

Check the markup of the current page using various markup validators This extension is designed to check the markup of the current page or any HTML code If you have any questions, please contact me by email Source code: https://github.com/w3roman/crx-markup-validator

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
16
Description length
Characters in the listing description.
270
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
Yes
Contact email
Listing exposes a contact email.
Yes
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).
61.5

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.