subnautica.com
Subnautica 2
Last scanned Aug 3, 2026, 9:00 PM · 8 views
Overall score
Fair
Summary
Subnautica 2: The next chapter of underwater survival. This website uses Nuxt behind CloudFront CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance fair (70/100). Top issue: No H1 heading found.
Subnautica 2: The next chapter of underwater survival. Explore an alien world alone or in 4-player co-op. Craft, build, and survive the mysteries of the deep.
Top issues to fix
9 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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
1.26 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-3 overall since Jul 26, 2026
- Overall
- 75
- SEO
- 70
- Security
- 75
- Performance
- 70
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Subnautica 2: The next chapter of underwater survival. Explore an alien world alone or in 4-player co-op. Craft, build, and survive the mysteries of the deep.
Meta tags
- Title
- Subnautica 2
- Description
- Subnautica 2: The next chapter of underwater survival. Explore an alien world alone or in 4-player co-op. Craft, build, and survive the mysteries of the deep.
- Canonical
- https://subnautica.com/en
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, user-scalable=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- CloudFront
- 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
- Amazon
- Subject
- subnautica.com
- Valid from
- Mar 17, 2026
- Valid to
- Sep 30, 2026
- Days until expiry
- 58
- SAN domains
- subnautica.com, *.subnautica.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 0
Links
5 internal · 29 external · 6 broken
Images
142 total · 27 missing alt
Scripts / Styles
6 scripts · 7 stylesheets
JS / CSS size
20.2 KB · 512 KB
Page size
707 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
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://subnautica.com
- Final URL
- https://subnautica.com/en
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.25 s
- HTML size
- 707 KB
- Redirect chain
- https://subnautica.com → https://subnautica.com/en
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does subnautica.com use?
- subnautica.com is built with Vue.js, Nuxt.
- Is subnautica.com secure (HTTPS)?
- Yes. subnautica.com uses TLS 1.3 with a certificate issued by Amazon, valid until Sep 30, 2026.
- Who hosts subnautica.com?
- Hosting provider information for subnautica.com is not available yet.
- What is subnautica.com's SEO score?
- subnautica.com scored 70/100 for SEO in the latest analysis (fair).
- What is subnautica.com's overall website score?
- subnautica.com has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.
- Has subnautica.com's score changed over time?
- subnautica.com's overall score has declined by 3 points (from 78 to 75) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card