Individual skill
hyphens
Use when auditing URL structures for word separator format, generating slugs from titles, or planning a URL migration from underscores or spaces to hyphens with appropriate redirects.
skills/hyphens/SKILL.md
Source commit e8d14d049010e2ce25afcd5e8609dfcbbe63e47e
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- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
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- Skill scan complete
- Yes
- Observed behavior
- Instructions only
- Last checked
- Nov 9, 2026
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Repository context
- Repository stars (not skill ratings)
- 74,686
- Repository last updated
- Oct 31, 2026
- License
- MIT
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- frontend Repository topic
- front-end-development Repository topic
- front-end-developer-tool Repository topic
- guidelines Repository topic
- checklist Repository topic
- reference Repository topic
- web-development Repository topic
- html Repository topic
- css Repository topic
- javascript Repository topic
- engineering Derived category
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SKILL.mdcore · 2,882 bytesreferences/rule.mddoc · 3,609 bytes
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# Use hyphens in URLs
Google's search systems interpret hyphens in URLs as word boundaries, enabling it to match the URL against individual keyword queries. Underscores join words into a single token, meaning `/seo_practices` is seen as one word 'seopractices' rather than two separate words 'seo' and 'practices'.
## Quick Reference
- Use hyphens (`-`) to separate words in URLs — Google treats hyphens as word separators, underscores as part of the word
- `/best-seo-practices` is better than `/best_seo_practices` or `/bestseopractices`
- Changing existing URLs from underscores to hyphens requires 301 redirects to preserve link equity
## Check
Inspect the URL path segment of each page. Flag any URL that contains: (1) Underscores (`_`) as word separators (e.g., `/best_practices`). (2) Spaces encoded as `%20` or `+` in path segments. (3) Mixed separators in the same URL (e.g., `/best-practices_guide`). Report the count of non-hyphenated URLs by category.