--- title: "Project Euler: search popularity worldwide" description: "A website of mathematical programming challenges. 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." canonical: "https://gobrandwave.com/demand/global-en/brands/project-euler" publisher: "Brandwave" --- # Project Euler: search popularity worldwide A website of mathematical programming challenges. 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. ## Key facts - **Brand**: Project Euler - **Market**: Global - **Measured month**: Sep 2026 - **Share of Search among coding challenge brands**: 0.55% ## Where the brand sits | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Coding challenge brands | 10 | 0.55% | 27.1K | - [Coding challenge brands](/demand/global-en/categories/coding-challenge-brands) ## Top coding challenge brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Project Euler was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Project Euler is the tenth most recommended of the 11. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | HackerRank | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | LeetCode | 2nd | 2 of 3 | 2 of 2 | 4 of 5 | | CodeSignal | 3rd | 1 of 3 | 2 of 2 | 3 of 5 | | Codewars | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Codeforces | 5th | 2 of 3 | 1 of 2 | 3 of 5 | | Exercism | 6th | 2 of 3 | 1 of 2 | 3 of 5 | | CoderPad | 7th | 1 of 3 | 1 of 2 | 2 of 5 | | HackerEarth | 8th | 1 of 3 | 1 of 2 | 2 of 5 | | Codility | 9th | 1 of 3 | 0 of 2 | 1 of 5 | | Project Euler | 10th | 1 of 3 | 1 of 2 | 2 of 5 | | HireVue | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about coding challenge brands - Asked ChatGPT "Which coding challenge brand should I use?": 1. LeetCode, 2. HackerRank, 3. Codewars, 4. Exercism, 5. Codeforces - Asked ChatGPT "What are the best coding challenge brands?": 1. LeetCode, 2. HackerRank, 3. Codewars, 4. Codeforces, 5. Exercism, 6. Project Euler - Asked ChatGPT "What's the best coding challenge brand for developer hiring?": 1. HackerRank, 2. CodeSignal, 3. Codility, 4. CoderPad, 5. HackerEarth - Searched Google, AI Overview "coding challenge platforms": 1. LeetCode, 2. HackerRank, 3. CodeSignal, 4. Codeforces, 5. Exercism, 6. Codewars, 7. Project Euler - Searched Google, AI Overview "coding assessment tool": 1. HackerRank, 2. CodeSignal, 3. CoderPad, 4. HackerEarth, 5. LeetCode Not named in any answer: HireVue. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How has branded search demand for Project Euler changed worldwide over the last 12 months? - Across the 12 months ending September 2026, estimated monthly branded searches for Project Euler worldwide fell from 33.1K to 27.1K. - Across the 12 months ending September 2026, Project Euler’s share of searches among coding challenge brands worldwide held steady, from 0.81% to 0.55%. ## How did search popularity change for coding challenge brands worldwide in September 2026? - Exercism’s share of searches among coding challenge brands worldwide has lost ground for 3 months in a row, from 1.8% to 1.2% in September 2026. - Estimated monthly branded searches for LeetCode worldwide rose 49.6% over 12 measured months, from 2.2M to 3.4M 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. - Estimated monthly branded searches for Codewars worldwide fell 33% over 12 measured months, from 135K to 90.5K in September 2026. - Estimated monthly branded searches for CoderPad worldwide fell 18.3% over 12 measured months, from 40.5K to 33.1K in September 2026. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Coding challenge brands | 33.1K | 0.81% | 10 | | Nov 2025 | Coding challenge brands | 27.1K | 0.72% | 10 | | Dec 2025 | Coding challenge brands | 27.1K | 0.73% | 10 | | Jan 2026 | Coding challenge brands | 27.1K | 0.62% | 10 | | Feb 2026 | Coding challenge brands | 27.1K | 0.62% | 10 | | Mar 2026 | Coding challenge brands | 27.1K | 0.63% | 10 | | Apr 2026 | Coding challenge brands | 22.2K | 0.59% | 10 | | May 2026 | Coding challenge brands | 22.2K | 0.65% | 10 | | Jun 2026 | Coding challenge brands | 22.2K | 0.55% | 10 | | Jul 2026 | Coding challenge brands | 22.2K | 0.45% | 10 | | Aug 2026 | Coding challenge brands | 22.2K | 0.45% | 10 | | Sep 2026 | Coding challenge brands | 27.1K | 0.55% | 10 | ## How are Project Euler’s branded searches counted? Brandwave collects information about searches that people make online using Project Euler’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading. - “project euler” ## Which coding challenge brands compete with Project Euler? - [LeetCode](/demand/global-en/brands/leetcode) - [HackerRank](/demand/global-en/brands/hackerrank) - [Codeforces](/demand/global-en/brands/codeforces) - [Codewars](/demand/global-en/brands/codewars) - [Exercism](/demand/global-en/brands/exercism) - [HackerEarth](/demand/global-en/brands/hackerearth): Head-to-head: /demand/global-en/compare/hackerearth-vs-project-euler - [HireVue](/demand/global-en/brands/hirevue): Head-to-head: /demand/global-en/compare/hirevue-vs-project-euler - [CoderPad](/demand/global-en/brands/coderpad): Head-to-head: /demand/global-en/compare/coderpad-vs-project-euler - [CodeSignal](/demand/global-en/brands/codesignal): Head-to-head: /demand/global-en/compare/codesignal-vs-project-euler - [Codility](/demand/global-en/brands/codility): Head-to-head: /demand/global-en/compare/codility-vs-project-euler ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Cite this page Brandwave. "Project Euler: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/project-euler This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/project-euler. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.