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Hypertext Markup Language — the standard markup language for documents designed to be displayed in a web browser.

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The 10 Best New CSS Features in 2026 Already Supported in All Major Browsers

The 10 Best New CSS Features in 2026 Already Supported in All Major Browsers

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16 min read
I Built a 100% Free, Ad-Free Interactive HTML Sandbox for Absolute Beginners

I Built a 100% Free, Ad-Free Interactive HTML Sandbox for Absolute Beginners

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1 min read
Converting Images with the HTML Canvas API

Converting Images with the HTML Canvas API

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1 min read
Shipping a Single-File HTML Artifact From an LLM to Stakeholders: 7 Pitfalls and How to Fix Them

Shipping a Single-File HTML Artifact From an LLM to Stakeholders: 7 Pitfalls and How to Fix Them

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5 min read
Calculate drawImage crops from the source image dimensions

Calculate drawImage crops from the source image dimensions

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1 min read
What does your page title say first? A one-minute check

What does your page title say first? A one-minute check

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2 min read
Every JavaScript Markdown Editor Breaks Your Form. Here's One That Doesn't

Every JavaScript Markdown Editor Breaks Your Form. Here's One That Doesn't

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4 min read
Building SEO Into a Website From Day One: A Practical Checklist for Developers and Designers

Building SEO Into a Website From Day One: A Practical Checklist for Developers and Designers

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4 min read
Why Page Builders Ruin Custom HTML Designs (And How Zero-Wrapper Block Conversion Fixes It)

Why Page Builders Ruin Custom HTML Designs (And How Zero-Wrapper Block Conversion Fixes It)

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3 min read
A Pomodoro timer in 20 lines of vanilla JS

A Pomodoro timer in 20 lines of vanilla JS

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3 min read
Remixing a template with an AI agent: from download to your own site in an hour

Remixing a template with an AI agent: from download to your own site in an hour

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19 min read
Schema.org for Small Business Sites: Organization, Article, and Product JSON-LD You Can Ship

Schema.org for Small Business Sites: Organization, Article, and Product JSON-LD You Can Ship

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3 min read
5 ways to put a single HTML file online, actually tested

5 ways to put a single HTML file online, actually tested

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4 min read
Building a Leaderboard for a Game Site with SQLite: 3 Traps I Hit with Concurrent Score Submissions

Building a Leaderboard for a Game Site with SQLite: 3 Traps I Hit with Concurrent Score Submissions

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8 min read
Build an Accessible Daily Habit Tracker with HTML, CSS and JavaScript

Build an Accessible Daily Habit Tracker with HTML, CSS and JavaScript

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2 min read
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