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What are the best fountain pen cartridges?

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
1.9K
CPC
$0.05
Total est. value / mo
$5
Common ways people ask this (15)
  • What are the best fountain pen cartridges for everyday writing?
  • What are the best fountain pen cartridges for beginners?
  • What are the best fountain pen cartridges for calligraphy?
  • What are the best fountain pen cartridges for smooth ink flow?
  • What are the best fountain pen cartridges for fast drying?
  • What are the best fountain pen cartridges for waterproof ink?
  • What are the best fountain pen cartridges for black ink?
  • What are the best fountain pen cartridges for blue ink?
  • What are the best fountain pen cartridges for vibrant colors?
  • What are the best fountain pen cartridges for school use?
  • What are the best fountain pen cartridges for office use?
  • What are the best fountain pen cartridges for fine nibs?
  • What are the best fountain pen cartridges for broad nibs?
  • What are the best fountain pen cartridges for international use?
  • What are the best fountain pen cartridges for a specific pen model?

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 gouletpens.com 5/5 37 $1
2 jetpens.com 5/5 22 $1
3 lamy.com 4/5 15 $0
4 pilotpen.us 5/5 10 $0
5 parkerpen.com 4/5 7 $0
6 goldspot.com 4/5 6 $0
7 pelikan.com 4/5 4 $0
8 montblanc.com 3/5 3 $0
9 amazon.com 4/5 2 $0
10 penaddict.com 2/5 2 $0
11 waterman.com 3/5 1 $0
12 andersonpens.com 2/5 1 $0
13 cultpens.com 4/5 1 $0
14 cross.com 3/5 1 $0
15 sailorpen.com 2/5 1 $0
16 endlesspens.com 3/5 0 $0
17 levenger.com 2/5 0 $0
18 fountainpennetwork.com 2/5 0 $0
19 rotring.com 2/5 0 $0
20 mountainofink.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 →