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What's the best lead test for water?

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
1.2K
CPC
$0.67
Total est. value / mo
$48
Common ways people ask this (12)
  • What's the best lead test for water for home use?
  • What's the best lead test for water for drinking water?
  • What's the best lead test for water for tap water?
  • What's the best lead test for water for well water?
  • What's the best lead test for water for fast results?
  • What's the best lead test for water with lab-level accuracy?
  • What's the best lead test for water with a digital reader?
  • What's the best lead test for water in a kit?
  • What's the best lead test for water for multiple samples?
  • What's the best budget lead test for water?
  • What's the best lead test for water for beginners?
  • What's the best lead test for water for certified use?

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 epa.gov 5/5 25 $16
2 cdc.gov 5/5 15 $9
3 nih.gov 5/5 10 $6
4 who.int 4/5 7 $4
5 water.org brand 3/5 5 $3
6 nsf.org 3/5 4 $2
7 mass.gov 4/5 3 $1
8 ny.gov 4/5 2 $1
9 state.gov 3/5 2 $1
10 cpsc.gov 2/5 1 $0
11 texas.gov 3/5 1 $0
12 illinois.gov 2/5 1 $0
13 atsdr.cdc.gov 2/5 1 $0
14 nj.gov 2/5 0 $0
15 fda.gov 2/5 0 $0
16 health.state.mn.us 2/5 0 $0
17 consumerreports.org 2/5 0 $0
18 safehome.org 2/5 0 $0
19 ca.gov 2/5 0 $0
20 labcorp.com 3/5 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 →