on3.com
On3.com | The Best of College and High School Sports
Last scanned Aug 1, 2026, 3:00 AM · 7 views
Overall score
Great
Summary
On3 is the best resource for college and high school sports, recruiting, and NIL. This website uses Next.js behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance fair (70/100). Top issue: Meta description longer than 160 characters.
On3 is the best resource for college and high school sports, recruiting, and NIL. Find all of your favorite team's information or browse our advanced player database.
Top issues to fix
6 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
1.24 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+3 overall since Jul 25, 2026
- Overall
- 81
- SEO
- 75
- Security
- 90
- Performance
- 70
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
On3 is the best resource for college and high school sports, recruiting, and NIL. Find all of your favorite team's information or browse our advanced player database.
Meta tags
- Title
- On3.com | The Best of College and High School Sports
- Description
- On3 is the best resource for college and high school sports, recruiting, and NIL. Find all of your favorite team's information or browse our advanced player database.
- Canonical
- https://www.on3.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, viewport-fit=cover
- Robots meta
- Manifest
- https://www.on3.com/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- on3.com
- Valid from
- Jul 4, 2026
- Valid to
- Oct 2, 2026
- Days until expiry
- 62
- SAN domains
- *.dev.on3.com, *.dev2.on3.com, *.launch.on3.com, *.newsletter.on3.com, *.on3.com, *.qa.on3.com, *.spiny.on3.com, *.transactional.on3.com, on3.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 5 · H3 36
Links
158 internal · 23 external · 20 broken
Images
107 total · 0 missing alt
Scripts / Styles
27 scripts · 7 stylesheets
JS / CSS size
966 KB · 1.1 KB
Page size
1.1 MB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://on3.com
- Final URL
- https://www.on3.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.22 s
- HTML size
- 1.1 MB
- Redirect chain
- https://on3.com → https://www.on3.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does on3.com use?
- on3.com is built with Next.js, Cloudflare Analytics.
- Is on3.com secure (HTTPS)?
- Yes. on3.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 2, 2026.
- Who hosts on3.com?
- Hosting provider information for on3.com is not available yet.
- What is on3.com's SEO score?
- on3.com scored 75/100 for SEO in the latest analysis (fair).
- What is on3.com's overall website score?
- on3.com has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
- Has on3.com's score changed over time?
- on3.com's overall score has improved by 3 points (from 78 to 81) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card