2 items
Removes any HTML elements with 'fixed' or 'static' positioning from the page Lets you click a toolbar button to remove annoying 'floating' HTML elements (sign-up forms, feedback buttons, cookie notifications, etc.) from the current page. It's not permanent - to get them back then just reload the page (press F5, or Command+R, or Ctrl+R, depending on your browser).
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.