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https://www.nasa.gov

SEO

· 7 checks — Canonical, meta, content depth, internal links, image SEO, and hreflang rolled into one auditable list.
SCORE
90
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
A+
Canonical URL
Properly configured
PASS
Properly configured
Info::
Canonical tag present
Got: https://www.nasa.gov/
Info::
Canonical is self-referencing
Info::
Canonical matches final URL after redirects
Info::
Canonical target returns 200
Canonical URL Configured
Page URL https://www.nasa.gov Canonical https://www.nasa.gov/ Match Self-referencing (correct) Target 200 ✓
A
Meta Tags
Title: 4 chars
PASS
Title: 4 chars
Info::
Page title is set
Got: NASA
Warning::
Title is only 4 characters — consider expanding
Title

"NASA"

4 characters Too short
Robots: Indexable (no restrictions)
A
Content Depth
1881 words, Very Difficult
PASS
1881 words, Very Difficult
Info::
Page has 1881 words — good depth for search engines
Info::
Text-to-HTML ratio is 3%
Very low ratio suggests heavy framework overhead or boilerplate.
Info::
Reading level: Very Difficult (grade 35)
1881 words

Good depth

Reading level

Very Easy
Easy
Fairly Easy
Standard
Fairly Difficult
Difficult
Very Difficult

Grade 35

Text-to-HTML Ratio

3% text 97% HTML

11 KB / 346 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+
Image SEO
91 images, 82 descriptive filenames
PASS
91 images, 82 descriptive filenames
Info::
9 image(s) have hash/generic filenames
82 descriptive
0 hash-based
9 generic
91 total
FilenameQualityAltIssues
53206112789-e5e932c583-o.jpggeneric✓1
53206112789-e5e932c583-o.jpggeneric✓1
53206112789-e5e932c583-o.jpggeneric✓1
55181734322-4412611c5e-o.jpggeneric✓1
55182696113-0c4398702d-o.jpggeneric✓1
55182980490-8608942e35-o.jpggeneric✓1
image-1774462797774.jpggeneric✓1
15404646465-7920e6d9b7-o.jpggeneric✓1
p23-171-176.jpggeneric✓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.

Missing schema opportunities

  • moderate

    VideoObject

    Page embeds video content that could be marked up as VideoObject

    Videos appear in the video carousel and have a thumbnail badge

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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