What technology does sea.museum use?

sea.museum is built with Next.js.

Is sea.museum secure (HTTPS)?

Yes. sea.museum uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 26, 2026.

Who hosts sea.museum?

Hosting provider information for sea.museum is not available yet.

What is sea.museum's SEO score?

sea.museum scored 80/100 for SEO in the latest analysis (great).

What is sea.museum's overall website score?

sea.museum has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.

Has sea.museum's score changed over time?

sea.museum's overall score has stayed steady at 87/100 since Jul 26, 2026.

sea.museum

HOME | Australian National Maritime Museum

Last scanned Aug 2, 2026, 10:00 PM · 13 views

Overall score

Great

Summary

Discover Australia's museum of the sea and dive deeper into our connection with oceans, rivers, and lakes. This website uses Next.js behind Vercel CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.

Discover Australia's museum of the sea and dive deeper into our connection with oceans, rivers, and lakes.

Top issues to fix

6 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
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.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

Performance

112 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 26, 2026

Overall: 87
SEO: 80
Security: 80
Performance: 90
Accessibility: 100

Organization

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

Discover Australia's museum of the sea and dive deeper into our connection with oceans, rivers, and lakes.

Facebook Instagram X (Twitter)LinkedIn YouTube

Meta tags

Title: HOME | Australian National Maritime Museum
Description: Discover Australia's museum of the sea and dive deeper into our connection with oceans, rivers, and lakes.
Canonical: https://www.sea.museum/home
Language: en
Charset: UTF-8
Viewport: width=device-width, initial-scale=1, maximum-scale=5, user-scalable=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Next.js

Hosting & CDN

Hosting provider: —
CDN provider: Vercel
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: Let's Encrypt
Subject: www.sea.museum
Valid from: Jul 28, 2026
Valid to: Oct 26, 2026
Days until expiry: 84
SAN domains: www.sea.museum

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 13 · H3 19

Links

84 internal · 11 external · 20 broken

Images

54 total · 0 missing alt

Scripts / Styles

68 scripts · 3 stylesheets

JS / CSS size

292 KB · 1.1 KB

Page size

694 KB

Robots.txt & Sitemap

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

SEO issues

No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://sea.museum
Final URL: https://www.sea.museum/en/home
HTTP status: 200
HTTP version: HTTP/2
Response time: 98 ms
HTML size: 694 KB
Redirect chain: https://sea.museum → https://www.sea.museum/ → https://www.sea.museum/home → https://www.sea.museum/en/home

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Frequently asked questions

What technology does sea.museum use?: sea.museum is built with Next.js.
Is sea.museum secure (HTTPS)?: Yes. sea.museum uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 26, 2026.
Who hosts sea.museum?: Hosting provider information for sea.museum is not available yet.
What is sea.museum's SEO score?: sea.museum scored 80/100 for SEO in the latest analysis (great).
What is sea.museum's overall website score?: sea.museum has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
Has sea.museum's score changed over time?: sea.museum's overall score has stayed steady at 87/100 since Jul 26, 2026.

Top issues to fix

Score history

Organization

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

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Frequently asked questions