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https://prettier.io

SEO

· 7 checks — Canonical, meta, content depth, internal links, image SEO, and hreflang rolled into one auditable list.
SCORE
87
GRADE
B
FIX
1
REVIEW
0
PASS
5
INFO
1

Cross-tab audit — SEO, performance, crawlability, mobile, structured data

Checks
7
5 PASS 1 FIX
D
Content Depth
Action
242 words, Difficult
FIX
242 words, Difficult
Warning::
Page has 242 words — thin content
Most well-ranking pages have 300+ words of substantive content.
Info::
Reading level: Difficult (grade 12)
Warning::
Thin content — only 242 words
Got: 242 words
242 words

Thin content

Reading level

Very Easy
Easy
Fairly Easy
Standard
Fairly Difficult
Difficult
Very Difficult

Grade 12

Text-to-HTML Ratio

5% text 95% HTML

2 KB / 29 KB

Most well-ranking pages have 300+ words of substantive content.

Why this matters

Thin content (<300 words) rarely ranks — Google quality guidelines explicitly call out thin pages.

Source: Google Search Quality Guidelines

A+
Canonical URL
Properly configured
PASS
Properly configured
Info::
Canonical tag present
Got: https://prettier.io/
Info::
Canonical is self-referencing
Info::
Canonical matches final URL after redirects
Info::
Canonical target returns 200
Canonical URL Configured
Page URL https://prettier.io Canonical https://prettier.io/ Match Self-referencing (correct) Target 200 ✓
A+
Meta Tags
Title optimized
PASS
Title optimized
Info::
Page title is set
Got: Prettier · Opinionated Code Formatter · Prettier
Info::
Title length (50 chars) is optimal
Title

"Prettier · Opinionated Code Formatter · Prettier"

50 characters Optimal ✓
Robots: Indexable (no restrictions)
A+
Image SEO
32 images, 31 descriptive filenames
PASS
32 images, 31 descriptive filenames
Info::
1 image(s) have hash/generic filenames
Info::
9 image(s) missing alt text — see Accessibility tab
31 descriptive
0 hash-based
1 generic
32 total
FilenameQualityAltIssues
1.webpgeneric✓1
Current: 1.webp
Suggested: syntaxfm.webp
used_by_facebook.svgdescriptive✗1
used_by_react.svgdescriptive✗1
used_by_jest.svgdescriptive✗1
used_by_yarn.svgdescriptive✗1
used_by_babel.svgdescriptive✗1
used_by_webpack.svgdescriptive✗1
dropbox_grey.svgdescriptive✗1
used_by_danger.svgdescriptive✗1
used_by_storybook.svgdescriptive✗1

See Accessibility tab for detailed alt text quality analysis.

A+
Schema Markup Audit
Per-type completeness vs Schema.org requirements + rich-result eligibility
PASS

No structured data detected

Without JSON-LD or microdata, this page can't qualify for any of Google's rich result formats. Even basic Organization or WebSite schema is a quick win.

Hreflang
0 hreflang tags
INFO
0 hreflang tags

No hreflang tags detected.

Hreflang tags are only needed for multilingual or multi-regional sites.

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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