Challenges brands:Which are searched most?
In September 2026, HackerRank was the most searched among challenges brands worldwide, with an estimated 823K branded searches and 83.9% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.
HackerRank83.9%
React11.2%
CodeSignal3.4%
Codility1.5%
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Share of SearchLeaderboard
Compare the challenges brands people buy. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for HackerRank, React, CodeSignal. The figures are in the table below the chart.
View monthly share of search table
| Month | HackerRank | React | CodeSignal | Codility |
|---|---|---|---|---|
| Oct 2025 | 75.1% | 18.3% | 4.5% | 2% |
| Nov 2025 | 74.7% | 18.3% | 4.5% | 2.5% |
| Dec 2025 | 75.1% | 18.4% | 4.5% | 2% |
| Jan 2026 | 74.7% | 18.3% | 4.5% | 2.5% |
| Feb 2026 | 75.1% | 18.4% | 4.5% | 2% |
| Mar 2026 | 74.7% | 18.3% | 4.5% | 2.5% |
| Apr 2026 | 78.3% | 15.7% | 3.9% | 2.1% |
| May 2026 | 71.1% | 21.3% | 5.2% | 2.3% |
| Jun 2026 | 78.4% | 15.7% | 3.9% | 2.1% |
| Jul 2026 | 84.4% | 11.3% | 2.8% | 1.5% |
| Aug 2026 | 83.9% | 11.2% | 3.4% | 1.5% |
| Sep 2026 | 83.9% | 11.2% | 3.4% | 1.5% |
This month’s ranking, September 2026
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 83.9% | 823K | 0% | 0 points | |
| 2, held 2nd | 11.2% | 110K | 0% | 0 points | |
| 3, held 3rd | 3.4% | 33.1K | 0% | 0 points | |
| 4, held 4th | 1.5% | 14.8K | 0% | 0 points |
83.9%
Held 1st. 823K estimated branded searches, 0% vs prior month. Share 0 points.
2.
React11.2%
Held 2nd. 110K estimated branded searches, 0% vs prior month. Share 0 points.
3.4%
Held 3rd. 33.1K estimated branded searches, 0% vs prior month. Share 0 points.
4.
Codility1.5%
Held 4th. 14.8K estimated branded searches, 0% vs prior month. Share 0 points.
Compare search popularity between leading brands
Which brand is most popular in search among challenges brands worldwide?
4 brands
In September 2026, HackerRank was the most searched among challenges brands worldwide, with an estimated 823K branded searches and 83.9% estimated Share of Search within this set. React is in 2nd place, 72.7 percentage points behind at 11.2% Share of Search.
| Brand | Share of Search | Peak | Low | Rank |
|---|---|---|---|---|
| 75.1% → 83.9% | 84.4%Jul 2026 | 71.1%May 2026 | 1st | |
| 18.3% → 11.2% | 21.3%May 2026 | 11.2%Aug 2026 | 2nd | |
| 4.5% → 3.4% | 5.2%May 2026 | 2.8%Jul 2026 | 3rd | |
| 2% → 1.5% | 2.5%Nov 2025 | 1.5%Aug 2026 | 4th |
Each finding as a sentence
- Across the 12 months ending September 2026, HackerRank’s estimated Share of Search among challenges brands worldwide increased from 75.1% to 83.9%.
- Across the 12 months ending September 2026, React’s estimated Share of Search among challenges brands worldwide decreased from 18.3% to 11.2%.
- Across the 12 months ending September 2026, CodeSignal’s estimated Share of Search among challenges brands worldwide decreased from 4.5% to 3.4%.
- Across the 12 months ending September 2026, Codility’s estimated Share of Search among challenges brands worldwide decreased from 2% to 1.5%.
- Across the 12 months ending September 2026, HackerRank’s estimated Share of Search among challenges brands worldwide peaked at 84.4% in July 2026 and was lowest at 71.1% in May 2026.
- Across the 12 months ending September 2026, React’s estimated Share of Search among challenges brands worldwide peaked at 21.3% in May 2026 and was lowest at 11.2% in August 2026.
- Across the 12 months ending September 2026, CodeSignal’s estimated Share of Search among challenges brands worldwide peaked at 5.2% in May 2026 and was lowest at 2.8% in July 2026.
How did search popularity change for challenges brands worldwide in September 2026?
3 changes

Estimated monthly branded searches for React worldwide fell 45.3% over 12 measured months, from 201K to 110K in September 2026.

Estimated monthly branded searches for Codility worldwide fell 33.3% over 12 measured months, from 22.2K to 14.8K in September 2026.

Estimated monthly branded searches for CodeSignal worldwide fell 33.1% over 12 measured months, from 49.5K to 33.1K in September 2026.

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