Brandwave

Mercer Mettl vs TestGorilla:Which is more popular?

In September 2026, TestGorilla had more branded searches than Mercer Mettl among pre-employment assessment platforms worldwide. TestGorilla had about 31,600 branded searches, while Mercer Mettl had 12,100. TestGorilla made up 2.2% of all pre-employment assessment platform searches we track, and Mercer Mettl accounted for 0.84%. When we asked ChatGPT and Google AI Overviews about pre-employment assessment platforms, TestGorilla appeared in all five answers and Mercer Mettl in two. TestGorilla was mentioned before Mercer Mettl in every answer.

Among pre-employment assessment platforms worldwide in September 2026

Who do people search for more?

TestGorilla, about 3 searches for every 1 for Mercer Mettl

TestGorilla 31.6K searchesMercer Mettl 12.1K searches

Who does AI mention more?

TestGorilla, mentioned in every answer we collected

TestGorilla in 5 of 5Mercer Mettl in 2 of 5

Who does AI recommend more?

TestGorilla, named ahead of Mercer Mettl in every answer

TestGorilla first in 4Mercer Mettl never first

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Top pre-employment assessment platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, TestGorilla appeared in all five answers. Mercer Mettl was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. TestGorilla was listed before Mercer Mettl in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Criteria1st
  2. TestGorilla2nd
  3. HackerRank3rd
  4. SHL4th
  5. TestDome5th
  6. Vervoe6th
  7. Mercer Mettl7th
  8. Harver–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • TestGorilla5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • HackerRank4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Criteria4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • SHL2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Mercer Mettl2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • TestDome1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Vervoe1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Harver0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about pre-employment assessment platforms

5 answers

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 Mercer Mettl or TestGorilla more popular in search?

This chart shows how often people search Google for Mercer Mettl and TestGorilla by name. Each line represents a brand's share of searches for all eight pre-employment assessment platforms we track, month by month, from English-language searches worldwide.

Mercer Mettl and TestGorilla among pre-employment assessment platforms worldwide, by month

Share of searches by month for TestGorilla, Mercer Mettl. The figures are in the table below the chart.

View monthly share of searches table
MonthHackerRankSHLTestGorillaMercer MettlHarverTestDomeVervoeCriteria
Oct 202547.8%47.8%2.7%0.57%0.6%0.39%0.19%<0.01%
Nov 202552.2%42.6%2.9%0.94%0.65%0.52%0.19%<0.01%
Dec 202552.5%42.9%2.4%0.94%0.57%0.43%0.15%<0.01%
Jan 202643.1%52.7%2.4%0.63%0.66%0.36%0.16%<0.01%
Feb 202652.2%42.6%3%0.77%0.7%0.53%0.22%<0.01%
Mar 202638.6%57.4%2.2%0.69%0.59%0.39%0.2%<0.01%
Apr 202652.1%42.6%2.9%0.94%0.7%0.43%0.34%<0.01%
May 202669.6%20.9%4.9%1.9%1.4%0.88%0.42%<0.01%
Jun 202676.3%15.3%4.4%1.7%1.4%0.68%0.32%<0.01%
Jul 202683.2%11.1%3.1%1%0.89%0.49%0.21%<0.01%
Aug 202681.5%13.4%2.6%0.98%0.97%0.47%0.19%<0.01%
Sep 202657.4%38.3%2.2%0.84%0.69%0.41%0.14%<0.01%

How has the Mercer Mettl and TestGorilla comparison changed over the last 12 months?

3 findings

How did search popularity change for pre-employment assessment platforms worldwide in September 2026?

2 changes

  1. TestGorilla’s share of searches among pre-employment assessment platforms worldwide has lost ground for 3 months in a row, from 4.4% to 2.2% in September 2026.

  2. Mercer Mettl’s share of searches among pre-employment assessment platforms worldwide has lost ground for 3 months in a row, from 1.7% to 0.84% in September 2026.

How are branded searches counted?

7 search terms

Brandwave collects information about searches that people make online using Mercer Mettl’s and TestGorilla’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.

Mercer Mettl

1 branded search term

  • mercer mettl

TestGorilla

6 branded search terms

  • assessment testgorilla
  • test gorilla
  • testgorilla
  • testgorilla app
  • testgorilla assessment
  • testgorilla skills assessment

How the Brand Demand Index is measured

Other head-to-heads among pre-employment assessment platforms

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