Calibre vs Checkly:Which is more popular?
In September 2026, Checkly had more branded searches than Calibre among website performance monitoring tools worldwide. Checkly had about 5,400 branded searches, while Calibre had 10. Checkly made up 1.2% of all website performance monitoring tool searches we track, and Calibre accounted for <0.01%. When we asked ChatGPT and Google AI Overviews about website performance monitoring tools, Checkly appeared in two of the five answers and Calibre in none.
Who do people search for more?
Checkly, about 540 searches for every 1 for Calibre
Who does AI mention more?
Checkly, mentioned in 2 of 5 answers, Calibre in 0
Who does AI recommend more?
Checkly, the only one of the two named
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Top website performance monitoring tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Checkly was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Calibre did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
GTmetrix1st
SpeedCurve2nd
Pingdom3rd
DebugBear4th- Checkly5th
Datadog6th
UptimeRobot7th- WebPageTest8th
Request Metrics–- +1 more
Calibre–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Datadog3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- GTmetrix3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- UptimeRobot3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Pingdom3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- DebugBear3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- SpeedCurve3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- WebPageTest2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Checkly2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Request Metrics0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Calibre0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about website performance monitoring tools
5 answers
Asked ChatGPT
“Which website performance monitoring tool should I use?”
Asked ChatGPT
“What are the best website performance monitoring tools?”
Asked ChatGPT
“What's the best website performance monitoring tool for site speed?”
Searched Google, AI Overview
“website performance monitoring tool”
Searched Google, AI Overview
“monitor website performance”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Calibre or Checkly more popular in search?
This chart shows how often people search Google for Calibre and Checkly by name. Each line represents a brand's share of searches for all 11 website performance monitoring tools we track, month by month, from English-language searches worldwide.
Share of searches by month for Checkly, Calibre. The figures are in the table below the chart.
View monthly share of searches table
| Month | Datadog | GTmetrix | UptimeRobot | Pingdom | WebPageTest | Checkly | DebugBear | SpeedCurve | Request Metrics | Treo | Calibre |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 49.5% | 27.2% | 10% | 6.7% | 4.5% | 1.1% | 0.63% | 0.48% | 0.05% | <0.01% | <0.01% |
| Nov 2025 | 49.4% | 27.1% | 12.2% | 5.4% | 3.6% | 1.1% | 0.63% | 0.48% | 0.03% | <0.01% | <0.01% |
| Dec 2025 | 48.5% | 26.5% | 11.9% | 6.5% | 4.4% | 1.1% | 0.63% | 0.39% | 0.03% | <0.01% | <0.01% |
| Jan 2026 | 52% | 23.3% | 12.8% | 5.7% | 3.8% | 1.1% | 0.66% | 0.51% | 0.04% | <0.01% | <0.01% |
| Feb 2026 | 52.6% | 23.5% | 12.9% | 4.7% | 3.9% | 1.2% | 0.77% | 0.41% | 0.03% | <0.01% | <0.01% |
| Mar 2026 | 50.5% | 22.6% | 15.2% | 5.6% | 3.7% | 1.4% | 0.74% | 0.39% | 0.03% | <0.01% | <0.01% |
| Apr 2026 | 51% | 22.8% | 15.3% | 4.6% | 3.8% | 1.4% | 0.72% | 0.39% | 0.03% | <0.01% | <0.01% |
| May 2026 | 51.4% | 23% | 15.5% | 4.6% | 3.1% | 1.4% | 0.73% | 0.33% | 0.03% | <0.01% | <0.01% |
| Jun 2026 | 55.9% | 20.6% | 13.7% | 4.1% | 3.4% | 1.2% | 0.68% | 0.36% | 0.03% | <0.01% | <0.01% |
| Jul 2026 | 56.3% | 20.7% | 13.8% | 4.1% | 2.8% | 1.2% | 0.68% | 0.37% | 0.02% | <0.01% | <0.01% |
| Aug 2026 | 54.6% | 20.1% | 16.4% | 4% | 2.7% | 1.2% | 0.53% | 0.36% | 0.02% | <0.01% | <0.01% |
| Sep 2026 | 54.2% | 20% | 16.3% | 4% | 3.3% | 1.2% | 0.66% | 0.35% | 0.02% | <0.01% | <0.01% |
How has the Calibre and Checkly comparison changed over the last 12 months?
3 findings
- Checkly was ahead of Calibre in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Calibre’s share of searches among website performance monitoring tools worldwide held steady at <0.01%, and its estimated monthly branded searches held steady at 10.
- Across the 12 months ending September 2026, Checkly’s share of searches among website performance monitoring tools worldwide moved from 1.1% to 1.2%, and its estimated monthly branded searches held steady at 5.4K.
How did search popularity change for website performance monitoring tools worldwide in September 2026?
0 changes
Neither Calibre nor Checkly moved beyond provider rounding among website performance monitoring tools in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Calibre’s and Checkly’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among website performance monitoring tools
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