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What's the best blue ink?

A commercial recommendation prompt. We size how many people ask ChatGPT this from real search demand, then run it through ChatGPT to see which websites it recommends.

Est. people asking / mo
1.5K
CPC
$0.11
Total est. value / mo
$10
Common ways people ask this (15)
  • What's the best blue ink for fountain pens?
  • What's the best blue ink for ballpoint pens?
  • What's the best blue ink for gel pens?
  • What's the best blue ink for calligraphy?
  • What's the best blue ink for writing letters?
  • What's the best blue ink for office use?
  • What's the best blue ink for archival use?
  • What's the best blue ink for quick drying?
  • What's the best blue ink for waterproof writing?
  • What's the best blue ink for sketching?
  • What's the best blue ink for shading?
  • What's the best blue ink for a dark blue color?
  • What's the best blue ink for a bright blue color?
  • What's the best blue ink for beginners?
  • What's the best blue ink for refill cartridges?

What ChatGPT actually answered

One of the 5 times we asked ChatGPT this, verbatim. The leaderboard below aggregates all 5 runs.

Websites ChatGPT recommends for this prompt

Aggregated across 5 runs (min 2/5 appearances). Estimated visits split the prompt's demand by rank. Sites matching the prompt's own brand are marked branded and excluded from the leaderboard.

RankWebsiteAppearsEst. visits / moEst. value / mo
1 amazon.com 5/5 30 $3
2 staples.com 5/5 18 $2
4 walmart.com 5/5 8 $0
5 officedepot.com 4/5 6 $0
6 target.com 5/5 5 $0
7 bic.com 3/5 3 $0
8 officeworks.com 3/5 3 $0
9 pilotpen.us 3/5 2 $0
10 jetpens.com 4/5 2 $0
11 sakuraofamerica.com 2/5 1 $0
12 pentel.com 2/5 1 $0
13 sharpie.com 3/5 1 $0
14 officeworks.com.au 2/5 1 $0
15 etsy.com 3/5 0 $0
16 dickblick.com 3/5 0 $0
17 pilotpen.com 2/5 0 $0
18 joann.com 2/5 0 $0
19 michaels.com 2/5 0 $0
20 paper-mate.com 2/5 0 $0
How is this estimated?

ChatGPT doesn't publish prompts, so we don't show logged conversations. We measure real demand for this topic from Google search volume, scale it to ChatGPT's user base (on average about 1 ChatGPT user for every 8 Google searchers, a ratio that varies by topic), and run the prompt through ChatGPT 5 times to record which websites it recommends and in what order. Estimated visits split that demand across the recommended sites by a click-through-by-rank curve. Every number is a modeled estimate, not measured analytics. Full methodology →