jefferson.edu
Thomas Jefferson University
Last scanned Aug 5, 2026, 10:00 AM · 10 views
Overall score
Great
Summary
At Thomas Jefferson University in Philadelphia, PA, we are helping you to redefine what’s possible with innovative and tailored education opportunities. This website uses Apache. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (90/100). Top issue: No H1 heading found.
At Thomas Jefferson University in Philadelphia, PA, we are helping you to redefine what’s possible with innovative and tailored education opportunities.
Top issues to fix
10 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
TLS certificate expires in 23 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+4 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
1.66 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 80
- SEO
- 65
- Security
- 80
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
At Thomas Jefferson University in Philadelphia, PA, we are helping you to redefine what’s possible with innovative and tailored education opportunities.
Meta tags
- Title
- Thomas Jefferson University
- Description
- At Thomas Jefferson University in Philadelphia, PA, we are helping you to redefine what’s possible with innovative and tailored education opportunities.
- Canonical
- https://www.jefferson.edu/index.html
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- 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
- Entrust Limited
- Subject
- jefferson.edu
- Valid from
- Jul 28, 2025
- Valid to
- Aug 28, 2026
- Days until expiry
- 23
- SAN domains
- jefferson.edu, *.abingtonhealth.org, *.einstein.edu, *.healthpartnersplans.com, *.hpplans.com, *.jeffcherryhill.com, *.jefferson.edu, *.jefferson200.org, *.jeffersonbioprocessing.com, *.jeffersonhealth.org, *.jeffersonhealthplans.com, *.jeffersonhospital.org, *.jeffersonsurgicalcenter.com, *.jeffplans.com, *.jhplans.com, *.jhpmedicare.com, *.kennedyhealth.org, *.kidzpartners.com, *.mageerehab.org, *.mitocare.org, *.qa.abingtonhealth.org, *.qa.einstein.edu, *.qa.healthpartnersplans.com, *.qa.hpplans.com, *.qa.jeffcherryhill.com, *.qa.jefferson.edu, *.qa.jefferson200.org, *.qa.jeffersonbioprocessing.com, *.qa.jeffersonhealth.org, *.qa.jeffersonhealthplans.com, *.qa.jeffersonhospital.org, *.qa.jeffersonsurgicalcenter.com, *.qa.jeffplans.com, *.qa.jhplans.com, *.qa.jhpmedicare.com, *.qa.kennedyhealth.org, *.qa.kidzpartners.com, *.qa.mageerehab.org, *.qa.mitocare.org, *.qa.sidneykimmelcancercenter.org, *.qa.thehealthnexus.org, *.qa.wearejefferson.org, *.sidneykimmelcancercenter.org, *.thehealthnexus.org, *.wearejefferson.org, abingtonhealth.org, einstein.edu, healthpartnersplans.com, hpplans.com, jeffcherryhill.com, jefferson200.org, jeffersonbioprocessing.com, jeffersonhealth.org, jeffersonhealthplans.com, jeffersonhospital.org, jeffersonsurgicalcenter.com, jeffplans.com, jhplans.com, jhpmedicare.com, kennedyhealth.org, kidzpartners.com, mageerehab.org, mitocare.org, sidneykimmelcancercenter.org, thehealthnexus.org, wearejefferson.org, www.sidneykimmelcancercenter.jeffersonhealth.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 31 · H3 0
Links
79 internal · 36 external · 1 broken
Images
24 total · 0 missing alt
Scripts / Styles
44 scripts · 2 stylesheets
JS / CSS size
32.7 KB · 36 B
Page size
129 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://jefferson.edu
- Final URL
- https://www.jefferson.edu/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.66 s
- HTML size
- 129 KB
- Redirect chain
- https://jefferson.edu → http://www.jefferson.edu/ → https://www.jefferson.edu/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does jefferson.edu use?
- jefferson.edu is built with Google Analytics, Google Ads, Apache.
- Is jefferson.edu secure (HTTPS)?
- Yes. jefferson.edu uses TLS 1.3 with a certificate issued by Entrust Limited, valid until Aug 28, 2026.
- Who hosts jefferson.edu?
- Hosting provider information for jefferson.edu is not available yet.
- What is jefferson.edu's SEO score?
- jefferson.edu scored 65/100 for SEO in the latest analysis (fair).
- What is jefferson.edu's overall website score?
- jefferson.edu has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
- Has jefferson.edu's score changed over time?
- jefferson.edu's overall score has declined by 1 point (from 81 to 80) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card