
Delivers structured data science and coding courses with interactive playgrounds, but focuses heavily on data analytics rather than general software engineering.
Coddy records 7,478,457 monthly visits with +17.8% month-over-month growth and Freemium pricing. TLDL records 24,786 monthly visits with -12.5% growth and Free pricing.
Get AI-smart in 5 minutes with podcast briefings, pricing guides and tool comparisons
| Dimension / Metric | ||
|---|---|---|
| Official Domain | coddy.tech | tldl.io |
| Pricing Model | Freemium | Free |
| Monthly Visits | 7.48M (7,478,457) | 24.79K (24,786) |
| MoM Traffic Delta | +1.13M (+17.8%) | -3.54K (-12.5%) |
| Primary Market & Share | 🇺🇸 United States (15.4%) | 🇺🇸 United States (19.2%) |
| Direct Visits / mo | 3.13M | 10K |
| User Rating | 4.3 | 4.3 |
| Supported Platforms | Website | Website |
Learn to code free with hands-on lessons and instant playgrounds
Short, practice-first coding lessons that run directly in your browser, so you can start learning without installing a compiler or development environment.
Dedicated playgrounds for Python, JavaScript, C, C++, Java, SQL, React, Go, Swift and many other languages let you test snippets and experiment immediately after each lesson.
Structured curricula such as Software Engineer, Frontend, Full Stack, Backend, Data Analyst, Data Scientist, DevOps and game development bundle the skills employers actually ask for.
Streak-style daily coding challenges and progress tracking help learners build a consistent habit and stay motivated between longer courses.
Get AI-smart in 5 minutes with podcast briefings, pricing guides and tool comparisons
Each issue distills a long podcast episode into concise summaries, numbered actionable takeaways, notable quotes, and a Q&A breakdown.
Sources span shows like Lex Fridman, All-In, a16z, Latent Space, Acquired, No Priors, and YC's Lightcone, with new podcasts added over time.
A reference page compares API costs across major model providers so builders can estimate spend before committing.
Curated lists of 2,000+ AI companies, investors and VCs, YC AI startups, AI coding tools, jobs, and conferences.

Delivers structured data science and coding courses with interactive playgrounds, but focuses heavily on data analytics rather than general software engineering.
AI engineering courses, certificates, and the world's biggest AI newsletter
AI engineering courses, certificates, and the world's biggest AI newsletter

SpecialistTeaches computer science and logic through visual interactive puzzles and an AI tutor, but lacks traditional text-editor coding playgrounds.
SpecialistFocuses on hands-on browser-based Linux and DevOps labs with AI guidance, rather than general multi-language programming fundamentals.
SpecialistFocuses on hands-on browser-based Linux and DevOps labs with AI guidance, rather than general multi-language programming fundamentals.

The top AI news and how to apply it, in five minutes a day
Find, compare, and learn to use the best AI tools
Find, compare, and learn to use the best AI tools
AI 工具目录、深度评测与每日 AI 新闻

SpecialistKhan Academy's AI tutor and teaching assistant for guided, Socratic learning
SpecialistKhan Academy's AI tutor and teaching assistant for guided, Socratic learning
SpecialistYour personal AI tutor — generate a course on anything in seconds
SpecialistYour personal AI tutor — generate a course on anything in seconds

A five-minute weekly briefing on what actually matters in ChatGPT
A five-minute weekly briefing on what actually matters in ChatGPT

Discover AI tools and keep up with daily AI news
Discover AI tools and keep up with daily AI news
SpecialistConverts syllabi into interactive computer science labs and exams, but lacks Coddy's casual bite-sized curriculum.
SpecialistConverts syllabi into interactive computer science labs and exams, but lacks Coddy's casual bite-sized curriculum.