What technology does plymouth.edu use?

plymouth.edu is built with PHP, Drupal, Nginx.

Is plymouth.edu secure (HTTPS)?

Yes. plymouth.edu uses TLS 1.3 with a certificate issued by InCommon, LLC, valid until Nov 21, 2026.

Who hosts plymouth.edu?

Hosting provider information for plymouth.edu is not available yet.

What is plymouth.edu's SEO score?

plymouth.edu scored 90/100 for SEO in the latest analysis (excellent).

What is plymouth.edu's overall website score?

plymouth.edu has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

plymouth.edu

Plymouth State University

Last scanned Jul 26, 2026, 11:19 AM

Overall score

Excellent

Summary

Plymouth State University, New Hampshire. This website uses PHP. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: robots.txt not found.

Plymouth State University, New Hampshire

Top issues to fix

5 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
2 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

2 issue(s) found

Performance

803 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Plymouth State University, New Hampshire

Facebook X (Twitter)YouTube Instagram

Technologies

Detected frameworks, languages, and tools.

PHP Drupal Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 158.136.1.77
ASN: —

DNS records

Type	Value
A	158.136.1.77
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	revproxy.plymouth.edu
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: InCommon, LLC
Subject: *.plymouth.edu
Valid from: May 7, 2026
Valid to: Nov 21, 2026
Days until expiry: 116
SAN domains: *.plymouth.edu, plymouth.edu

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 7 · H3 2

Links

61 internal · 13 external · 2 broken

Images

11 total · 0 missing alt

Scripts / Styles

5 scripts · 7 stylesheets

JS / CSS size

365 KB · 718 KB

Page size

81.6 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://plymouth.edu
Final URL: https://www.plymouth.edu/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 802 ms
HTML size: 81.6 KB
Redirect chain: https://plymouth.edu → https://www.plymouth.edu/

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