uboat.net
The U-boat Wars 1939-1945 (Kriegsmarine) and 1914-1918 (Kaiserliche Marine) and Allied Warships of WWII - uboat.net
Last scanned Jul 26, 2026, 4:17 PM · 14 views
Overall score
Great
Summary
The U-boat War in World War Two (1939-1945) and World War One (1914-1918). This website uses Nginx hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
The U-boat War in World War Two (1939-1945) and World War One (1914-1918). Over 30,000 pages on the officers, the boats, technology and the Allied efforts to counter the U-boat threat.
- United States
- Hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG
Top issues to fix
11 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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+5 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
253 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
The U-boat War in World War Two (1939-1945) and World War One (1914-1918). Over 30,000 pages on the officers, the boats, technology and the Allied efforts to counter the U-boat threat.
Contact
Email, phone, and address published on this site's own pages.
- gummi@uboat.net
Meta tags
- Title
- The U-boat Wars 1939-1945 (Kriegsmarine) and 1914-1918 (Kaiserliche Marine) and Allied Warships of WWII - uboat.net
- Description
- The U-boat War in World War Two (1939-1945) and World War One (1914-1918). Over 30,000 pages on the officers, the boats, technology and the Allied efforts to counter the U-boat threat.
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AKAMAI-LINODE-AP - Akamai Connected Cloud, SG
- CDN provider
- —
- IP address
- 173.230.138.61
- ASN
- AS63949 (AKAMAI-LINODE-AP - Akamai Connected Cloud, SG)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- uboat.net
- Valid from
- Jul 12, 2026
- Valid to
- Oct 10, 2026
- Days until expiry
- 73
- SAN domains
- uboat.net, www.uboat.net
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 5
Links
51 internal · 2 external · 1 broken
Images
10 total · 0 missing alt
Scripts / Styles
7 scripts · 2 stylesheets
JS / CSS size
199 KB · 23.7 KB
Page size
14.6 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 10
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://uboat.net
- Final URL
- https://uboat.net
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 253 ms
- HTML size
- 14.6 KB
- Redirect chain
- https://uboat.net
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does uboat.net use?
- uboat.net is built with Google Analytics, Google Ads, Nginx.
- Is uboat.net secure (HTTPS)?
- Yes. uboat.net uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 10, 2026.
- Who hosts uboat.net?
- uboat.net is hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG.
- What is uboat.net's SEO score?
- uboat.net scored 65/100 for SEO in the latest analysis (fair).
- What is uboat.net's overall website score?
- uboat.net has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card