A couple of new entries

[andrew--r]

• Artsy (source)
• Bitwarden: website (source), web vault (source), browser extension vault (source)
• Firefox Send (source)
• Manyverse (source)
• Mastodon (source)
• MDN Web Docs (source)
• Mozilla’s Localization Platform (source)
• Squoosh (source)
• The Guardian (source)
• Pinafore (source)
• Polyfill.io (source)
• puppeteer documentation website (source)