Brandwave

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.

Share of Search, September 2026
  1. HackerRank83.9%
  2. React11.2%
  3. CodeSignal3.4%
  4. Codility1.5%

Follow challenges brands and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand in this set →

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 among challenges brands worldwide, by month

Share of Search by month for HackerRank, React, CodeSignal. The figures are in the table below the chart.

View monthly share of search table
MonthHackerRankReactCodeSignalCodility
Oct 202575.1%18.3%4.5%2%
Nov 202574.7%18.3%4.5%2.5%
Dec 202575.1%18.4%4.5%2%
Jan 202674.7%18.3%4.5%2.5%
Feb 202675.1%18.4%4.5%2%
Mar 202674.7%18.3%4.5%2.5%
Apr 202678.3%15.7%3.9%2.1%
May 202671.1%21.3%5.2%2.3%
Jun 202678.4%15.7%3.9%2.1%
Jul 202684.4%11.3%2.8%1.5%
Aug 202683.9%11.2%3.4%1.5%
Sep 202683.9%11.2%3.4%1.5%

This month’s ranking, September 2026

  1. 1.HackerRank

    83.9%

    Held 1st. 823K estimated branded searches, 0% vs prior month. Share 0 points.

  2. 2.React

    11.2%

    Held 2nd. 110K estimated branded searches, 0% vs prior month. Share 0 points.

  3. Held 3rd. 33.1K estimated branded searches, 0% vs prior month. Share 0 points.

  4. 4.Codility

    1.5%

    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?

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.

Global challenges brands, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
HackerRank75.1% → 83.9%84.4%Jul 202671.1%May 20261st
React18.3% → 11.2%21.3%May 202611.2%Aug 20262nd
CodeSignal4.5% → 3.4%5.2%May 20262.8%Jul 20263rd
Codility2% → 1.5%2.5%Nov 20251.5%Aug 20264th

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?

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

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

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

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

See your own brand in this picture

Brandwave tracks your branded demand next to your campaigns, spend and outcomes, so you can see what moved your numbers, not just that they moved.