--- title: "Harvard CS50: search popularity worldwide" description: "Harvard CS50 is Harvard’s free introductory computer science course. 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/harvard-cs50" publisher: "Brandwave" --- # Harvard CS50: search popularity worldwide Harvard CS50 is Harvard’s free introductory computer science course. 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**: Harvard CS50 - **Market**: Global - **Measured month**: Sep 2026 - **Share of Search among online coding platforms**: 2.5% ## Where the brand sits | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Online coding platforms | 5 | 2.5% | 107K | - [Online coding platforms](/demand/global-en/categories/online-coding-platforms) ## Top online coding platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Harvard CS50 was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Harvard CS50 is the third most recommended of the eight. 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 | | --- | --- | --- | --- | --- | | freeCodeCamp | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Codecademy | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Harvard CS50 | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | LeetCode | 4th | 2 of 3 | 0 of 2 | 2 of 5 | | The Odin Project | 5th | 2 of 3 | 0 of 2 | 2 of 5 | | Scrimba | 6th | 3 of 3 | 1 of 2 | 4 of 5 | | Exercism | 7th | 1 of 3 | 0 of 2 | 1 of 5 | | DataCamp | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about online coding platforms - Asked ChatGPT "Which online coding platform should I use?": 1. freeCodeCamp, 2. LeetCode, 3. Codecademy, 4. Exercism, 5. Scrimba - Asked ChatGPT "What are the best online coding platforms?": 1. freeCodeCamp, 2. Codecademy, 3. Harvard CS50, 4. The Odin Project, 5. LeetCode, 6. Scrimba - Asked ChatGPT "What's the best online coding platform for learning to code?": 1. freeCodeCamp, 2. Codecademy, 3. Harvard CS50, 4. The Odin Project, 5. Scrimba - Searched Google, AI Overview "online coding platforms": 1. Codecademy, 2. freeCodeCamp - Searched Google, AI Overview "coding lessons online": 1. freeCodeCamp, 2. Harvard CS50, 3. Codecademy, 4. Scrimba Not named in any answer: DataCamp. Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How has branded search demand for Harvard CS50 changed worldwide over the last 12 months? - Across the 12 months ending September 2026, estimated monthly branded searches for Harvard CS50 worldwide rose from 96.2K to 107K. - Across the 12 months ending September 2026, Harvard CS50’s share of searches among online coding platforms worldwide peaked at 3.3% in May 2026 and was lowest at 2% in March 2026. ## How did search popularity change for online coding platforms worldwide in September 2026? - In September 2026, LeetCode gained share of searches among online coding platforms worldwide, from 76.6% to 77.2%. - Exercism’s share of searches among online coding platforms worldwide has lost ground for 3 months in a row, from 2% to 1.4% in September 2026. - Estimated monthly branded searches for freeCodeCamp worldwide rose 22.3% over 12 measured months, from 301K to 368K in September 2026. - Estimated monthly branded searches for Harvard CS50 worldwide rose 11.3% over 12 measured months, from 96.2K to 107K in September 2026. - Estimated monthly branded searches for Codecademy worldwide fell 63.3% over 12 measured months, from 450K to 165K in September 2026. - Estimated monthly branded searches for DataCamp worldwide fell 18.3% over 12 measured months, from 246K to 201K in September 2026. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Online coding platforms | 96.2K | 2.7% | 5 | | Nov 2025 | Online coding platforms | 82.7K | 2.3% | 5 | | Dec 2025 | Online coding platforms | 82.7K | 2.5% | 5 | | Jan 2026 | Online coding platforms | 101K | 2.5% | 5 | | Feb 2026 | Online coding platforms | 82.7K | 2% | 5 | | Mar 2026 | Online coding platforms | 82.7K | 2% | 6 | | Apr 2026 | Online coding platforms | 93.6K | 2.8% | 5 | | May 2026 | Online coding platforms | 107K | 3.3% | 5 | | Jun 2026 | Online coding platforms | 107K | 2.9% | 5 | | Jul 2026 | Online coding platforms | 107K | 2.5% | 5 | | Aug 2026 | Online coding platforms | 115K | 2.6% | 5 | | Sep 2026 | Online coding platforms | 107K | 2.5% | 5 | ## How are Harvard CS50’s branded searches counted? Brandwave collects information about searches that people make online using Harvard CS50’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading. - “cs50” - “harvard cs50” ## Which online coding platforms compete with Harvard CS50? - [LeetCode](/demand/global-en/brands/leetcode) - [freeCodeCamp](/demand/global-en/brands/freecodecamp): Head-to-head: /demand/global-en/compare/freecodecamp-vs-harvard-cs50 - [DataCamp](/demand/global-en/brands/datacamp): Head-to-head: /demand/global-en/compare/datacamp-vs-harvard-cs50 - [Codecademy](/demand/global-en/brands/codecademy): Head-to-head: /demand/global-en/compare/codecademy-vs-harvard-cs50 - [Exercism](/demand/global-en/brands/exercism): Head-to-head: /demand/global-en/compare/exercism-vs-harvard-cs50 - [The Odin Project](/demand/global-en/brands/the-odin-project): Head-to-head: /demand/global-en/compare/harvard-cs50-vs-the-odin-project - [Scrimba](/demand/global-en/brands/scrimba) ## 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. "Harvard CS50: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/harvard-cs50 This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/harvard-cs50. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.