Basic Crx Extension Test Example 1

Unknown author · Just for Fun

Open in Chrome Web Store

Users

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Avg rating

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Ratings

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Updated

Feb 22, 2025

Media

2 items

Description

A simple Chrome extension and service worker A simple Chrome extension and service worker that adds a message listener in background but does not have any popup to demonstrate the behaviour of chrome.runtime This extension is for exploration and learning of chrome extension functionalities related to service workers lifetime, etc. The extension does not require any additional permission

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.
34
Description length
Characters in the listing description.
390
Media assets
Screenshots and videos on the listing.
2
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.
No
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).
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These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.