jhuapl.edu
Johns Hopkins University Applied Physics Laboratory
Last scanned Aug 2, 2026, 2:00 AM · 13 views
Overall score
Great
Summary
Johns Hopkins APL provides solutions to complex national security and scientific challenges with technical expertise and prototyping, research and development, and analysis. This website uses Drupal. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Johns Hopkins APL provides solutions to complex national security and scientific challenges with technical expertise and prototyping, research and development, and analysis.
Top issues to fix
8 issues found · 2 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.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
226 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 26, 2026
- Overall
- 88
- SEO
- 75
- Security
- 80
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Johns Hopkins APL provides solutions to complex national security and scientific challenges with technical expertise and prototyping, research and development, and analysis.
Meta tags
- Title
- Johns Hopkins University Applied Physics Laboratory
- Description
- Johns Hopkins APL provides solutions to complex national security and scientific challenges with technical expertise and prototyping, research and development, and analysis.
- Canonical
- https://www.jhuapl.edu/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index, follow, max-image-preview:large
- 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
- DigiCert Inc
- Subject
- www.jhuapl.edu
- Valid from
- Apr 23, 2026
- Valid to
- Nov 7, 2026
- Days until expiry
- 97
- SAN domains
- www.jhuapl.edu, akasplunk.jhuapl.edu, jhuapl.com, jhuapl.edu, secwww.jhuapl.edu, www.jhuapl.com
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 1 · H2 9 · H3 10
Links
180 internal · 10 external · 20 broken
Images
7 total · 0 missing alt
Scripts / Styles
26 scripts · 18 stylesheets
JS / CSS size
1.7 KB · 234 B
Page size
223 KB
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 structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://jhuapl.edu
- Final URL
- https://www.jhuapl.edu/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 222 ms
- HTML size
- 223 KB
- Redirect chain
- https://jhuapl.edu → https://www.jhuapl.edu/
See something wrong on this report? Request a correction
Related websites
Same technology stack
yotel.com
YOTEL | Book Direct for Exclusive Discounts
miga.org
Homepage | World Bank Group Guarantees | MIGA
geodis.com
GEODIS in India: Transport, Logistics & Supply Chain
enfocus.com
PDF Preflight & Print Automation Software | Enfocus
consuwijzer.nl
ACM ConsuWijzer | Praktisch advies voor consumenten
ipsos.com.tr
Ipsos | Pazarlama ve Kamuoyu Araştırmaları Global Uzmanı
Frequently asked questions
- What technology does jhuapl.edu use?
- jhuapl.edu is built with Drupal, jQuery.
- Is jhuapl.edu secure (HTTPS)?
- Yes. jhuapl.edu uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 7, 2026.
- Who hosts jhuapl.edu?
- Hosting provider information for jhuapl.edu is not available yet.
- What is jhuapl.edu's SEO score?
- jhuapl.edu scored 75/100 for SEO in the latest analysis (fair).
- What is jhuapl.edu's overall website score?
- jhuapl.edu has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Has jhuapl.edu's score changed over time?
- jhuapl.edu's overall score has declined by 3 points (from 91 to 88) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card