Learn Python 3 vs CSS Grid and Flexbox, v2
Same Bayesian formula, same rubric — so the difference in scores reflects the difference in the courses, not the difference in how we evaluated them.
Codecademy · Web Development
Learn Python 3
Frontend Masters · Web Development
CSS Grid and Flexbox, v2
Per-criterion
Fourteen lessons covering Hello World, control flow, lists, loops, functions, strings, dictionaries, classes, and file I/O give beginners a comprehensive syntax foundation. The 2021 revamp added Portfolio Projects and reorganised content to mirror a traditional CS curriculum. Reviewers consistently call the material well-sequenced and "comparable to what you'll find in the official documentation or a popular book," though the interactive editor's strict output matching — treating "Hello, world!" and "Hello world!" as different — frustrates learners and doesn't reflect real-world feedback.
There is no single instructor; the curriculum-by-committee model delivers clear written lessons with instant in-browser feedback. The three-panel layout (instructions, editor, output) is praised for keeping learners active rather than passive. The downside is the absence of any spoken explanation of the "why" — several reviewers note they absorbed mechanics without internalising purpose, and the Get-Unstuck video walkthroughs can short-circuit the struggle that builds real retention.
The course requires a Pro subscription (around $34.99/month or roughly $144–$240/year), though a free trial is available. Given that 3.3 million learners have enrolled and it remains Codecademy's most-started course, many find the price reasonable for structured interactive learning. The certificate, practice projects, quizzes, and code challenges are all Pro-gated, which reviewers with beginner budgets find frustrating. A small number note that free Python resources on YouTube or in the official docs cover the same syntax at zero cost.
The course teaches Python in a sandboxed browser environment that cannot accept user input during execution — a fundamental gap from real Python programs. Reviewers describe finishing the course feeling confident but then "losing their footing" when attempting an unguided project, because the sample-code scaffolding and video walkthroughs remove the discomfort that real problem-solving requires. The over-optimised blog reviewer put it precisely: the interactive editor "simplifies/automates aspects that differ from real-world programming environments." Web-development-specific Python (Flask, Django, APIs) is entirely absent from this course and requires separate study.
Codecademy's forums, Discord server organised by topic, in-lesson hint system, cheat sheets, and AI assistant are collectively well-regarded. The Codecademy forum thread where learners reported being 50% through and still confused attracted dozens of supportive peer responses, suggesting an active community. SwitchUp reviewers flag that forum support from staff can be inconsistent, and the overall SwitchUp platform rating sits at 3.15/5, partly dragged by billing and cancellation complaints rather than content support.
Covers responsive layout across two parts — Flexbox (grid systems, navigation, responsive images) and CSS Grid (Mondrian and magazine layouts, cards). Reviewers say it teaches modern layout "without hacks", though v2 predates subgrid and container queries.
Jen Kramer is the most-praised element — a long-time CSS educator who explains layout clearly and at a beginner-friendly pace. Learners and a Hacker News commenter call her CSS courses "very good" and her teaching "well taught, in-depth".
Requires a $39/month (or $390/year) Frontend Masters subscription rather than a one-time purchase — strong value if you use the wider catalog, weaker if you only want this one course. The course is included in the standard subscription.
More hands-on than most CSS courses: each section ends in build exercises and a capstone, including a Mondrian painting and magazine layouts. The builds are small practice pieces rather than a full portfolio site, but they reinforce the concepts well.
Flexbox and Grid are the everyday tools for production layout, and learners report finishing real site layouts noticeably faster afterward. The main gap is currency — the newer features (subgrid, container queries) are covered in Kramer's v3, not this version.
Scoring methodology applies identically to every course on the site — see the formula.