SEO

· 7 checks — Canonical, meta, content depth, internal links, image SEO, and hreflang rolled into one auditable list.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

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

Checks

5 PASS 1 REVIEW

Content Depth

Action

527 words, Very Difficult

REVIEW

527 words, Very Difficult

Page has 527 words of content

Text-to-HTML ratio is 3%

Very low ratio suggests heavy framework overhead or boilerplate.

Reading level: Very Difficult (grade 15)

Good depth

Reading level

Very Easy

Easy

Fairly Easy

Standard

Fairly Difficult

Difficult

Very Difficult

Grade 15

Text-to-HTML Ratio

3% text 97% HTML

3 KB / 122 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

Canonical tag present

Got: https://www.nih.gov/

Canonical is self-referencing

Canonical matches final URL after redirects

Canonical target returns 200

Canonical points to a different domain

Canonical URL Configured

Page URL https://nih.gov Canonical https://www.nih.gov/ Match Self-referencing (correct) Target 200 ✓

Meta Tags

Title: 5 chars

PASS

Title: 5 chars

Page title is set

Got: Subir

Title is only 5 characters — consider expanding

Title

"Subir"

5 characters Too short

Robots: Indexable (no restrictions)

A+

Internal Links

61 internal, 38 external

PASS

61 internal, 38 external

61 internal links (62%)

99% of links use descriptive anchor text

61 internal / 38 external links

Link Distribution

62% internal (61) 38% external (38)

Anchor Text Quality

98 Descriptive 1 Generic

Most Linked Internal Pages

#	URL	Links
1	/virtual-tour	3
2	/research-training/training-opportunities	2
3	/about-nih/contact-us	2
4	/health-information/nih-clinical-research-trials-you	2
5	/about-nih/visitor-information	2
6	/research-training/medical-research-initiatives	2
7	/news-events/nih-social-media	2
8	/	2
9	/institutes-nih/office-communications-public-liaison/clear-communication/talking-your-doctor-or-health-care-provider	1
10	/research-training	1

Top External Domains

Domain	Links
grants.nih.gov	8
www.nih.gov	5
salud.nih.gov	2
science.education.nih.gov	2
www.hhs.gov	2
www.instagram.com	1
medlineplus.gov	1
www.usa.gov	1
newsinhealth.nih.gov	1
hr.nih.gov	1

A+

Image SEO

18 images, 17 descriptive filenames

PASS

18 images, 17 descriptive filenames

1 image(s) have hash/generic filenames

17 descriptive

0 hash-based

1 generic

18 total

Filename	Quality	Alt	Issues
x.svg	generic	✓	1
Current: x.svg Suggested: usa-icons.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.

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.

SEO

Hreflang & Internationalization