https://cdc.gov
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
75 PASS 1 REVIEW
BContent Depth760 words, Very DifficultREVIEW
Content Depth
760 words, Very Difficult
760 words, Very Difficult
Info::
Page has 760 words of content
Info::
Reading level: Very Difficult (grade 18)
Good depth
Reading level
Very Easy
Easy
Fairly Easy
Standard
Fairly Difficult
Difficult
Very Difficult
Grade 18
Text-to-HTML Ratio
8% text 92% HTML
5 KB / 65 KB
ACanonical URLMinor issuesPASS
Canonical URL
Minor issues
Minor issues
Info::
Canonical tag present
Got: https://www.cdc.gov/index.html
Warning::
Canonical does not match final URL (https://cdc.gov)
Info::
Canonical target returns 200
Info::
Canonical points to a different domain
Canonical URL Configured
Page URL https://cdc.gov Canonical https://www.cdc.gov/index.html Match Points to a different page Target 200 ✓
A+Meta TagsTitle optimizedPASS
Meta Tags
Title optimized
Title optimized
Info::
Page title is set
Got: Centers for Disease Control and Prevention | CDC
Info::
Title length (48 chars) is optimal
Title
"Centers for Disease Control and Prevention | CDC"
48 characters Optimal ✓
Robots: Indexable (no restrictions)
A+Internal Links132 internal, 124 externalPASS
Internal Links
132 internal, 124 external
132 internal, 124 external
Info::
132 internal links (52%)
Info::
95% of links use descriptive anchor text
Info::
Page has 256 links — consider reducing
Info::
132 internal / 124 external links
Link Distribution
52% internal (132) 48% external (124)
Anchor Text Quality
244 Descriptive 3 Generic 9 Empty
Most Linked Internal Pages
| # | URL | Links |
|---|---|---|
| 1 | # | 9 |
| 2 | /measles/about/index.html | 4 |
| 3 | /flu/testing/index.html | 3 |
| 4 | /rsv/about/index.html | 2 |
| 5 | /media/ | 2 |
| 6 | /museum/index.htm | 2 |
| 7 | /dengue/prevention/ | 2 |
| 8 | /lead-prevention/news/outbreak-applesauce-pouches.html | 2 |
| 9 | /about/advisory-committee-director/index.html | 2 |
| 10 | /global-health-protection/php/campaigns-and-awareness/outbreaks-you-never-heard-about.html | 2 |
Top External Domains
| Domain | Links |
|---|---|
| www.cdc.gov | 101 |
| wwwnc.cdc.gov | 3 |
| jobs.cdc.gov | 3 |
| www.hhs.gov | 2 |
| oig.hhs.gov | 2 |
| archive.cdc.gov | 2 |
| stacks.cdc.gov | 2 |
| www.instagram.com | 1 |
| twitter.com | 1 |
| www.youtube.com | 1 |
A+Image SEO22 images, 21 descriptive filenamesPASS
Image SEO
22 images, 21 descriptive filenames
22 images, 21 descriptive filenames
Info::
1 image(s) have hash/generic filenames
Info::
1 image(s) missing alt text — see Accessibility tab
21 descriptive
0 hash-based
1 generic
22 total
| Filename | Quality | Alt | Issues |
|---|---|---|---|
| 2Q== | generic | ✗ | 2 |
See Accessibility tab for detailed alt text quality analysis.
A+Schema Markup AuditPer-type completeness vs Schema.org requirements + rich-result eligibilityPASS
Schema Markup Audit
Per-type completeness vs Schema.org requirements + rich-result eligibility
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.
Hreflang0 hreflang tagsINFO
Hreflang
0 hreflang tags
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.