What technology does nm.cz use?

nm.cz is built with PHP, jQuery, Meta Pixel, Apache.

Is nm.cz secure (HTTPS)?

Yes. nm.cz uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 22, 2026.

Hosting provider information for nm.cz is not available yet.

What is nm.cz's SEO score?

nm.cz scored 55/100 for SEO in the latest analysis (fair).

What is nm.cz's overall website score?

nm.cz has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.

Has nm.cz's score changed over time?

nm.cz's overall score has improved by 4 points (from 74 to 78) since Jul 27, 2026.

nm.cz

Národní muzeum

Last scanned Aug 4, 2026, 10:00 AM · 10 views

Overall score

Fair

Summary

This website uses Apache. SEO is fair (55/100) and accessibility is good (80/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing meta description.

Top issues to fix

9 issues found · 3 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 meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
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.

+3 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

2.73 s

Security

HTTPS & header checks

Accessibility

2 issue(s) found

Score history

+4 overall since Jul 27, 2026

Overall: 78
SEO: 55
Security: 90
Performance: 90
Accessibility: 80

Organization

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

Facebook X (Twitter)Instagram

Meta tags

Title: Národní muzeum
Description
Canonical
Language
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0, user-scalable=yes
Robots meta: index,follow
Manifest

Technologies

Detected frameworks, languages, and tools.

PHP jQuery Meta Pixel Apache

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 1.2
Issuer: Let's Encrypt
Subject: nm.cz
Valid from: Jun 24, 2026
Valid to: Sep 22, 2026
Days until expiry: 49
SAN domains: nm.cz, www.nm.cz

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 9 · H3 35

Links

126 internal · 25 external · 20 broken

Images

65 total · 0 missing alt

Scripts / Styles

10 scripts · 3 stylesheets

JS / CSS size

2.5 KB · 486 B

Page size

155 KB

Robots.txt & Sitemap

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

SEO issues

Missing meta description
Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://nm.cz
Final URL: https://www.nm.cz/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 2.73 s
HTML size: 155 KB
Redirect chain: https://nm.cz → http://www.nm.cz/ → https://www.nm.cz/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does nm.cz use?: nm.cz is built with PHP, jQuery, Meta Pixel, Apache.
Is nm.cz secure (HTTPS)?: Yes. nm.cz uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 22, 2026.
Who hosts nm.cz?: Hosting provider information for nm.cz is not available yet.
What is nm.cz's SEO score?: nm.cz scored 55/100 for SEO in the latest analysis (fair).
What is nm.cz's overall website score?: nm.cz has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
Has nm.cz's score changed over time?: nm.cz's overall score has improved by 4 points (from 74 to 78) since Jul 27, 2026.