Billions of Free Sudoku Puzzles
Web Sudoku (websudoku.com) scores 72 out of 100 on Brand Analyzer, placing it in the Brand-Ready tier among Media & Entertainment brands, Technology brands, in the 28th percentile of 9503 Media & Entertainment brands.
Web Sudoku is an online sudoku website launched in 2005 that offers unlimited, computer-generated sudoku puzzles across four difficulty levels-Easy, Medium, Hard, and Evil. It is accessible on all browsers and devices, including iPhone, iPad, and Android, and is free to play. The site targets puzzle enthusiasts and casual gamers of all ages seeking logic-based brain games on demand, positioning itself as a go-to destination for free, unlimited sudoku puzzles.
| Brand Name | Web Sudoku |
|---|---|
| Domain | websudoku.com |
| Industry | Media & Entertainment, Technology |
| Founded | 2005 |
| Main Competitors | Sudoku.com (82/100), Sudoku.name (77/100), The Sudoku Company, Puzzle Baron (63/100), Nine.com.au Sudoku (247 Sudoku) (65/100), New York Times Games (Sudoku) (88/100), Krazydad (75/100) |
Moz Domain Authority 57/100 vs category average 54 / leader 100 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #49,081 on the Tranco list of most-visited sites - strong traffic reinforces the brand's prominence to AI models.
Web Sudoku has a dedicated Wikipedia entity - a top-weighted signal AI models rely on to identify and describe the brand.
The homepage meta description reads "Play unlimited sudoku puzzles online. Four levels from Easy to Evil. Compatible with all browsers, tablets and phones including iPhone, iPad and Android." (Meta description: 23 words (ideal length). No OG description (falling back to meta)) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: No structured data or Open Graph tags detected. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: No robots.txt found (default: all bots allowed, but explicit file preferred) - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Detected tech stack: PHP, Apache.
Social footprint: verified profiles on X (Twitter), Facebook, Instagram, GitHub; no detected presence on LinkedIn, YouTube - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked September 2026.
When asked "What is Web Sudoku?", Claude could identify the brand as of September 2026. Web Sudoku is a website that generates free sudoku puzzles online, letting users play at different difficulty levels, print puzzles, or get a new puzzle each day. Best known for Offering free, printable, and daily sudoku puzzles online in multiple difficulty levels.
When asked "Best brands similar to Web Sudoku?", Claude would recommend Web Sudoku as of September 2026. It's one of the earliest and most recognizable dedicated sudoku puzzle sites, so it's a natural mention for anyone looking for free online sudoku.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
Web Sudoku's main competitors in Media & Entertainment: Sudoku.com (82/100), Sudoku.name (77/100), Puzzle Baron (63/100), Nine.com.au Sudoku (247 Sudoku) (65/100), New York Times Games (Sudoku) (88/100).
Sources: Brand Analyzer scan
Web Sudoku offers online sudoku puzzles generated by computer, available in four difficulty levels: Easy, Medium, Hard, and Evil. The puzzles are playable directly in a browser on desktops, tablets, and smartphones, including iPhone, iPad, and Android devices, at no cost.
Sources: Web Sudoku official site
Web Sudoku is an online website, founded in 2005, that provides unlimited computer-generated sudoku puzzles for players to solve directly in a web browser.
Sources: Web Sudoku official site
Web Sudoku has limited AI-search visibility, scoring 45/100 on Brand Analyzer's AI visibility composite (visibility 65, trust 19, recommendation 40). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: Web Sudoku official site
Web Sudoku was founded in 2005. Web Sudoku operates in the Media & Entertainment category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
Web Sudoku generates and hosts sudoku puzzles across four difficulty levels-Easy, Medium, Hard, and Evil-that users can play for free on any browser, tablet, or phone, including iPhone, iPad, and Android devices.
Sources: Web Sudoku official site
Web Sudoku scores 40/100 on Brand Analyzer's AI recommendation signal, indicating it is less likely to be surfaced when AI assistants like ChatGPT suggest Media & Entertainment options. Recommendation depends on crawlability, structured data, and category authority; a Wikipedia presence helps.
Sources: Web Sudoku official site
Web Sudoku is known for offering an unlimited, free supply of sudoku puzzles at four difficulty levels, ranging from Easy to Evil, accessible across all devices and browsers.
Sources: Web Sudoku official site
Web Sudoku can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: Web Sudoku official site
Web Sudoku is used by puzzle enthusiasts and casual gamers of all ages who enjoy logic-based brain games and want free, on-demand access to sudoku puzzles on any device.
Sources: Web Sudoku official site
Web Sudoku is popular because it offers free, unlimited access to computer-generated sudoku puzzles at multiple difficulty levels, and works seamlessly across all browsers and devices, making it convenient for casual and dedicated puzzle players alike.
Sources: Web Sudoku official site
Web Sudoku scores 45/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
Web Sudoku has a limited AI-visibility profile at 45/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is visibility (65/100) and its weakest is trust (19/100). It benefits from a recognised Wikipedia company entity, a Wikidata knowledge-graph entry and a global traffic rank of #49,081 (Tranco). The main gaps holding it back: thin schema.org structured data and no llms.txt to steer AI to its best pages. In a live check, Claude could already identify Web Sudoku from memory (September 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to Web Sudoku: Weasyl (72/100), Vision Maker Media (72/100), Weishaupt Verlag (72/100), Wind Creek Bethlehem (72/100).
A step up - brands to learn from: Zoom (81/100), Zeno Group (81/100).
Category leader: Complex (97/100).
Brand Analyzer is built by DataEase AI. Track your brand in ChatGPT, Gemini and Perplexity.