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seo-core-web-vitals
Audit Core Web Vitals & page performance — measure LCP, INP, and CLS against p75 field thresholds, diagnose render-blocking resources, unoptimized images, and layout-shift sources, and produce prioritized, advisory-only remediation guidance. Module M15. Feeds the Search SEO score (heavily) and the AI Visibility score (minimally).
Why this score
This repo hosts 10 skills, so its 77 stars are split between them (about 8 each) for scoring.
Popularity score: 53/100 from public GitHub signals only. It shows how widely used and maintained this is, not how well it works. Not included yet: the fake-star check. The security scan is shown separately and doesn't change the score. How we rank
Security
Scanned Oct 20, 2026 at commit cabd6079dc1a, with Cisco's open-source skill-scanner.
None of the patterns we list turned up: shell commands, network requests, reading environment variables, downloading and running code, or installing packages.
A scan lists patterns in the code. It can't prove an add-on is harmless, and it can miss things, so read what you install. How we scan
Alternatives
Other makers' add-ons that do the same job, next to this one.
| Name | Score | Stars | Context | Updated |
|---|---|---|---|---|
| This oneseo-core-web-vitals Hainrixz/claude-seo-ai · Skill | 53 | ★ 77 | ≈88 always | 2mo ago |
| core-web-vitals addyosmani/web-quality-skills · Skill Both about vital and core | 71 | ★ 3.0k | ≈64 always | 2mo ago |
| webperf-core-web-vitals nucliweb/webperf-snippets · Skill Both about vital and core | 69 | ★ 1.5k | ≈145 always | 16d ago |
| seo-performance AgriciDaniel/claude-seo · Subagent Same job: seo | 75 | ★ 19k | ≈26 in chat | 1mo ago |
| seo Bhanunamikaze/Agentic-SEO-Skill · Skill Same job: seo | 80 | ★ 975 | ≈19 always | 21d ago |
| content-seo jdevalk/skills · Skill Same job: seo | 48 | ★ 107 | ≈20 always | 4mo ago |