3 items
Inspect the real TLS certificate chain of every site against your regex patterns; flag matches on the toolbar icon. ChainGuard is a Chrome extension that passively reads the certificate of each site you visit, checks it against regex patterns you define, and flags matches on the toolbar icon, plus optional desktop notifications and a searchable history of everything it scanned. Everything runs locally.
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.