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https://earthsky.org

SEO

· 7 checks — Canonical, meta, content depth, internal links, image SEO, and hreflang rolled into one auditable list.
SCORE
91
GRADE
A
FIX
0
REVIEW
1
PASS
5
INFO
1

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

Checks
7
5 PASS 1 REVIEW
C
Content Depth
Action
964 words, Fairly Difficult
REVIEW
964 words, Fairly Difficult
Info::
Page has 964 words of content
Info::
Text-to-HTML ratio is 3%
Very low ratio suggests heavy framework overhead or boilerplate.
Info::
Reading level: Fairly Difficult (grade 9)
964 words

Good depth

Reading level

Very Easy
Easy
Fairly Easy
Standard
Fairly Difficult
Difficult
Very Difficult

Grade 9

Text-to-HTML Ratio

3% text 97% HTML

6 KB / 199 KB

Very low ratio suggests heavy framework overhead or boilerplate.

Why this matters

Informational: ratio of visible text bytes to total HTML bytes. Very low ratios suggest excessive markup overhead.

A+
Canonical URL
Properly configured
PASS
Properly configured
Info::
Canonical tag present
Got: https://earthsky.org/
Info::
Canonical is self-referencing
Info::
Canonical matches final URL after redirects
Info::
Canonical target returns 200
Canonical URL Configured
Page URL https://earthsky.org Canonical https://earthsky.org/ Match Self-referencing (correct) Target 200 ✓
A+
Meta Tags
Title optimized
PASS
Title optimized
Info::
Page title is set
Got: EarthSky | Updates on your cosmos and world
Info::
Title length (43 chars) is optimal
Title

"EarthSky | Updates on your cosmos and world"

43 characters Optimal ✓
Robots: Indexable (no restrictions)
A+
Image SEO
53 images, 52 descriptive filenames
PASS
53 images, 52 descriptive filenames
Info::
1 image(s) have hash/generic filenames
52 descriptive
0 hash-based
1 generic
53 total
FilenameQualityAltIssues
x.svggeneric✓1
Current: x.svg
Suggested: images.svg

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.

Missing schema opportunities

  • easy

    FAQPage

    Page has Q&A-style content (questions in headings) that could be marked up as FAQPage

    FAQ rich results take 2-3× more SERP real estate

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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