Declare UTF-8 character encoding
SkillWeb & browsingChecks that your web pages declare UTF-8 character encoding so text displays correctly.
Available today. Use it from your connected AI after setup.
No other account needed.
Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the Declare UTF-8 character encoding skill
About this capability
Use when reviewing templates, rendered HTML, or shared components related to Declare UTF-8 character encoding. Validate the final browser-facing markup, not just the source framework abstraction.
What this skill tells your AI
The instructions your AI receives, as published by thedaviddias/front-end-checklist in skills/charset/SKILL.md and read by ahel’s review.
Missing or incorrect charset causes mojibake (garbled text), broken special characters, and security vulnerabilities from character encoding attacks.
Quick Reference
- Add
<meta charset="UTF-8">as the first element in - Must appear within the first 1024 bytes of the document
- UTF-8 supports all languages and special characters
Check
Verify that this HTML document declares UTF-8 character encoding in the head section and that it's positioned early in the document.
Fix
Add as the first meta tag in the head section of the HTML document.
Explain
Explain why UTF-8 character encoding is essential for international content support and preventing character display issues.
Code Review
Review templates, server-rendered HTML, and shared components that output markup related to Declare UTF-8 character encoding. Flag exact elements, attributes, and routes where the rendered HTML violates the rule.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/html/charset
Signals
- GitHub stars
- 74k
- Forks
- 7k
- Last commit
- Aug 2026
- Hacker News mentions
- 3
Advanced
- Catalog kind
- skill
- Gateway key
charset- Source
- github.com/thedaviddias/front-end-checklist