adelphi.edu
Adelphi University | Higher Education College | New York
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
Discover Adelphi University on Long Island, a prestigious New York university for master's and bachelor’s degrees. This website uses WordPress. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance fair (70/100). Top issue: sitemap.xml not found.
Adelphi University
Discover Adelphi University on Long Island, a prestigious New York university for master's and bachelor’s degrees. Named the best college by Princeton Review.
- One South Avenue, Garden City, NY, 11530-0701, US
Top issues to fix
3 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
1 issue(s) found
Performance
1.50 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Adelphi University
Discover Adelphi University on Long Island, a prestigious New York university for master's and bachelor’s degrees. Named the best college by Princeton Review.
Contact
Email, phone, and address published on this site's own pages.
- Address
- One South Avenue, Garden City, NY, 11530-0701, US
Meta tags
- Title
- Adelphi University | Higher Education College | New York
- Description
- Discover Adelphi University on Long Island, a prestigious New York university for master's and bachelor’s degrees. Named the best college by Princeton Review.
- Canonical
- https://www.adelphi.edu/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
- https://www.adelphi.edu/wp-content/themes/primary/favicons/site.webmanifest?h=accf108f
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 192.147.12.33
- 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
- www.adelphi.edu
- Valid from
- Jun 16, 2026
- Valid to
- Sep 14, 2026
- Days until expiry
- 47
- SAN domains
- adelphi.edu, www.adelphi.edu
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 10 · H3 3
Links
232 internal · 48 external · 0 broken
Images
24 total · 1 missing alt
Scripts / Styles
17 scripts · 3 stylesheets
JS / CSS size
208 KB · 994 KB
Page size
334 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://adelphi.edu
- Final URL
- https://www.adelphi.edu/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.50 s
- HTML size
- 334 KB
- Redirect chain
- https://adelphi.edu → https://www.adelphi.edu/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does adelphi.edu use?
- adelphi.edu is built with WordPress, jQuery, Nginx.
- Is adelphi.edu secure (HTTPS)?
- Yes. adelphi.edu uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 14, 2026.
- Who hosts adelphi.edu?
- Hosting provider information for adelphi.edu is not available yet.
- What is adelphi.edu's SEO score?
- adelphi.edu scored 95/100 for SEO in the latest analysis (excellent).
- What is adelphi.edu's overall website score?
- adelphi.edu has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- What company operates adelphi.edu?
- adelphi.edu is operated by Adelphi University. Discover Adelphi University on Long Island, a prestigious New York university for master's and bachelor’s degrees. Named the best college by Princeton Review.
OpenGraph & Twitter Card
OpenGraph
Twitter Card