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Checks for <meta name='theme-color'> and adds it if missing The Theme Color Checker is a simple Chrome extension that ensures every website you visit has a title bar in the right color. If a site doesn't have this it set, the extension automatically adds it using the background color of the page. This helps provide a more consistent look and feel, especially on mobile devices where the theme color can influence the browser's address bar color. If nothing helps, the extension has a little color picker to pick a color from the website and save it.
rating_count is the Chrome Web Store ratings count, not a written-review count.