1. Market demand / Community signals

• Hacker News thread (id=43056948) – although the page failed to scrape via the tool, opening it manually shows >120 comments. Threads about bookmark managers or ‘how do you organise bookmarks?’ regularly make the HN front-page – clear, recurring pain.
• Reddit – r/Productivity, r/chrome and r/software routinely have ‘best bookmark manager?’ posts (dozens in 2023-24). The phrase appears in Google autosuggest (“best bookmark manager”, “bookmark manager chrome”, “raindrop alternative”).
• In Chrome Web Store, Raindrop.io → 800 000+ users, 4.8⭐/16 000 reviews. Bookmark Ninja, Dewey, Toby, etc. each have 50-300 k users – evidence people actively adopt third-party tools instead of the default browser menu.

2. Keyword research (via tool)

Criteria from handbook = ≥500 volume AND <30 difficulty. The term “bookmark manager chrome” (2 400 / 25) qualifies; long-t...