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From claude-blog
Validates blog post SEO with a pass/fail checklist covering title tags, meta descriptions, heading hierarchy (question format, H2 count), internal/external link audits, canonical URLs, Open Graph tags, Twitter Cards, URL structure, and image alt text. Produces prioritized fix list.
How this skill is triggered — by the user, by Claude, or both
Slash command
/claude-blog:blog-seo-check <file-path><file-path>The summary Claude sees in its skill listing — used to decide when to auto-load this skill
Runs a comprehensive on-page SEO validation against a completed blog post and
Runs a comprehensive on-page SEO validation against a completed blog post and generates a pass/fail checklist with specific fixes for each failure. Designed to run after writing - catches issues before publishing.
Read the target file and extract:
If the user provides a URL instead of a file path, use WebFetch to retrieve the page and extract the relevant elements.
| Check | Pass Criteria |
|---|---|
| Character count | 40-60 characters (no truncation in SERPs) |
| Keyword placement | Primary keyword in first half of title |
| Power word | Contains at least one power word (e.g., Guide, Best, How, Why, Essential, Proven, Complete) |
| Truncation risk | No critical meaning lost if truncated at 60 chars |
| Uniqueness | Not generic - specific to the content |
| Check | Pass Criteria |
|---|---|
| Character count | 150-160 characters |
| Statistic included | Contains at least one specific number or data point |
| Value proposition | Ends with clear reader benefit or value proposition |
| Keyword presence | Primary keyword appears naturally (not stuffed) |
| No keyword stuffing | Keyword appears at most once |
| Call to action | Implies action (learn, discover, find out, see) |
| Check | Pass Criteria |
|---|---|
| Single H1 | Exactly one H1 tag (the title) |
| No skipped levels | H1 -> H2 -> H3, never H1 -> H3 or H2 -> H4 |
| Keyword in headings | Primary keyword in 2-3 headings (natural, not forced) |
| Question format | 60-70% of H2 headings are questions |
| H2 count | 6-8 H2 sections for a standard blog post |
| Heading length | Each heading under 70 characters |
| Check | Pass Criteria |
|---|---|
| Link count | 3-10 internal links per post |
| Anchor text | Descriptive (not "click here" or "read more") |
| Bidirectional | Check if linked pages also link back (flag if not) |
| No orphan status | Post links to at least 3 other pages on the site |
| Link distribution | Links spread across the post, not clustered |
| No self-links | Post does not link to itself |
Use Grep and Glob to scan the project for existing blog content and verify bidirectional linking where possible.
| Check | Pass Criteria |
|---|---|
| No duplicate URLs | Each URL appears at most once in body content |
| Best instance kept | If duplicates exist, keep the one with most descriptive anchor text |
| Navigation exempt | Header/footer nav links don't count toward body dedup |
| Fragment normalization | URLs with different #fragments treated as same URL |
For each duplicate found:
Google records 1-2 anchor texts per URL per page (Zyppy 2023). Optimal: link to same URL once in body content; 5-10 internal links per 2,000 words; max ~50 total links per page.
| Check | Pass Criteria |
|---|---|
| Source tier | Links to tier 1-3 sources only (authoritative, not SEO blogs) |
| Broken links | Use WebFetch to verify top external links are reachable |
| Rel attributes | External links have appropriate rel attributes (nofollow for sponsored/UGC) |
| Link count | At least 3 external links to authoritative sources |
| No competitor links | Not linking to direct competitors unnecessarily |
For every public statistic in the post, verify all three components:
retrieved YYYY-MM-DD for each cited source.Posts that fail any of the three either drop the unverifiable claim or replace it with a verified alternative. See skills/blog/references/flow-alignment.md. For a one-shot prompt-driven check, see /blog flow optimize.
| Check | Pass Criteria |
|---|---|
| Present | Canonical URL is defined in frontmatter or meta tags |
| Correct format | Full absolute URL (https://domain.com/path) |
| Trailing slash | Consistent with site convention (no mixed trailing slashes) |
| Self-referencing | Canonical points to the page itself (unless intentional cross-domain) |
| Check | Pass Criteria |
|---|---|
| og:title | Present, matches or complements the title tag |
| og:description | Present, 150-160 characters, compelling for social sharing |
| og:image | Present, 1200x630 minimum dimensions, absolute URL |
| og:type | Set to "article" for blog posts |
| og:url | Present, matches canonical URL |
| og:site_name | Present, matches site/brand name |
| Check | Pass Criteria |
|---|---|
| twitter:card | Set to "summary_large_image" for blog posts |
| twitter:title | Present, under 70 characters |
| twitter:description | Present, under 200 characters |
| twitter:image | Present, same as or similar to og:image |
| twitter:site | Present if the site has a Twitter/X account |
| Check | Pass Criteria |
|---|---|
| Length | Short - under 75 characters for the path portion |
| Keyword presence | Primary keyword or close variant in the URL slug |
| No dates | URL does not contain /2025/ or /2026/ date segments |
| No special characters | Only lowercase letters, numbers, and hyphens |
| Lowercase | Entire URL path is lowercase |
| No stop words | Minimal use of "the", "a", "and", "of" in slug |
| No file extension | No .html or .php in the URL (clean URLs) |
Output a comprehensive SEO validation report in this format:
## SEO Validation Report: [Title]
**File**: [path or URL]
**Date**: [check date]
**Overall**: [X/Y checks passed] - [PASS/NEEDS WORK/FAIL]
### Results
| # | Check | Status | Details | Fix |
|---|-------|--------|---------|-----|
| 1 | Title length | PASS | 52 chars | - |
| 2 | Title keyword | PASS | "keyword" in first half | - |
| 3 | Title power word | FAIL | No power word found | Add "Guide", "Essential", or "Complete" |
| 4 | Meta description length | PASS | 155 chars | - |
| 5 | Meta description stat | FAIL | No number found | Add a key statistic from the post |
| ... | ... | ... | ... | ... |
### Summary
**Passed**: [N] checks
**Failed**: [N] checks
### Priority Fixes
1. [Most impactful fix - what to change and where]
2. [Second most impactful fix]
3. [Third most impactful fix]
### Notes
- [Any observations about overall SEO health]
- [Suggestions for improvement beyond the checklist]
Status values:
If the post has a published URL and blog-google credentials are available:
python3 skills/blog-google/scripts/run.py google_auth --check --jsonpython3 skills/blog-google/scripts/run.py pagespeed_check <url> --jsonnpx claudepluginhub agricidaniel/claude-blog --plugin claude-blogPost-writing SEO validation with a pass/fail checklist covering title tags, meta descriptions, heading hierarchy, internal/external links, canonical URLs, Open Graph and Twitter Card meta tags, URL structure, and image alt text. Produces prioritized fix recommendations.
Audits blog posts with a 0–100 score across content quality, SEO, E-E-A-T, technical elements, and AI citation readiness. Includes AI content detection, batch analysis, and prioritized fix recommendations for local files or URLs.
Audits affiliate blog posts and landing pages for SEO issues including on-page optimization, keyword usage, meta tags, content quality, affiliate link attributes, and internal linking. Outputs a 10-dimension scorecard with prioritized fixes.