What technology does valka.cz use?

valka.cz is built with PHP, Google Analytics, Google Ads, Apache.

Is valka.cz secure (HTTPS)?

Yes. valka.cz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 17, 2026.

valka.cz is hosted on MASTER-AS - MasterDC s.r.o., CZ.

What is valka.cz's SEO score?

valka.cz scored 90/100 for SEO in the latest analysis (excellent).

What is valka.cz's overall website score?

valka.cz has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

What company operates valka.cz?

valka.cz is operated by Valka.cz. Server o vojenství a historii

valka.cz

Valka.cz | Homepage

Last scanned Jul 27, 2026, 2:43 PM

Overall score

Excellent

Summary

Server o vojenství a historii. This website uses Apache hosted on MASTER-AS - MasterDC s.r.o., CZ. SEO is excellent (90/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (100/100). Top issue: No H1 heading found.

Valka.cz

Server o vojenství a historii

Hosted on MASTER-AS - MasterDC s.r.o., CZ

Top issues to fix

4 issues found · 2 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
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 X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

SEO

1 issue(s) found

100

Performance

362 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

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

Valka.cz

Server o vojenství a historii

Facebook X (Twitter)

Meta tags

Title: Valka.cz | Homepage
Description: Server o vojenství a historii
Canonical: https://www.valka.cz/
Language: cs
Charset: UTF-8
Viewport: width=device-width, initial-scale=1, maximum-scale=3
Robots meta
Manifest: https://www.valka.cz/manifest.json

Technologies

Detected frameworks, languages, and tools.

PHP Google Analytics Google Ads Apache

Hosting & CDN

Hosting provider: MASTER-AS - MasterDC s.r.o., CZ
CDN provider: —
IP address: 89.185.242.19
ASN: AS24971 (MASTER-AS - MasterDC s.r.o., CZ)

DNS records

Type	Value
A	89.185.242.19
AAAA	2a01:430:234::2
MX	—
TXT	—
NS	—
CAA	—
CNAME	hilly.valka.cz
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: www.valka.cz
Valid from: Jul 19, 2026
Valid to: Oct 17, 2026
Days until expiry: 81
SAN domains: valka.cz, www.valka.cz

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 46 · H3 2

Links

75 internal · 9 external · 0 broken

Images

49 total · 0 missing alt

Scripts / Styles

15 scripts · 2 stylesheets

JS / CSS size

668 KB · 163 KB

Page size

136 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 299
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

No H1 heading found

Scan details

Requested URL: https://valka.cz
Final URL: https://www.valka.cz/
HTTP status: 200
HTTP version: HTTP/2
Response time: 360 ms
HTML size: 136 KB
Redirect chain: https://valka.cz → https://www.valka.cz/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does valka.cz use?: valka.cz is built with PHP, Google Analytics, Google Ads, Apache.
Is valka.cz secure (HTTPS)?: Yes. valka.cz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 17, 2026.
Who hosts valka.cz?: valka.cz is hosted on MASTER-AS - MasterDC s.r.o., CZ.
What is valka.cz's SEO score?: valka.cz scored 90/100 for SEO in the latest analysis (excellent).
What is valka.cz's overall website score?: valka.cz has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
What company operates valka.cz?: valka.cz is operated by Valka.cz. Server o vojenství a historii

Top issues to fix

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

Related websites

Frequently asked questions