What technology does valka.cz use?

valka.cz is built with PHP, jQuery, 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.

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

What is valka.cz's SEO score?

valka.cz scored 80/100 for SEO in the latest analysis (great).

What is valka.cz's overall website score?

valka.cz has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.

What company operates valka.cz?

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

Has valka.cz's score changed over time?

valka.cz's overall score has declined by 7 points (from 90 to 83) since Jul 27, 2026.

valka.cz

Valka.cz | Homepage

Last scanned Aug 5, 2026, 12:00 AM · 14 views

Overall score

Great

Summary

Server o vojenství a historii. This website uses Apache. SEO is good (80/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance good (85/100). Top issue: No H1 heading found.

Valka.cz

Server o vojenství a historii

Top issues to fix

6 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.
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.

SEO

3 issue(s) found

Performance

363 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

-7 overall since Jul 27, 2026

Overall: 83
SEO: 80
Security: 80
Performance: 85
Accessibility: 90

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 jQuery Google Analytics Google Ads 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 1.3
Issuer: Let's Encrypt
Subject: www.valka.cz
Valid from: Jul 19, 2026
Valid to: Oct 17, 2026
Days until expiry: 73
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

78 internal · 11 external · 0 broken

Images

54 total · 0 missing alt

Scripts / Styles

24 scripts · 3 stylesheets

JS / CSS size

1.3 MB · 23.3 KB

Page size

137 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
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://valka.cz
Final URL: https://www.valka.cz/
HTTP status: 200
HTTP version: HTTP/2
Response time: 361 ms
HTML size: 137 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, jQuery, 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?: Hosting provider information for valka.cz is not available yet.
What is valka.cz's SEO score?: valka.cz scored 80/100 for SEO in the latest analysis (great).
What is valka.cz's overall website score?: valka.cz has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
What company operates valka.cz?: valka.cz is operated by Valka.cz. Server o vojenství a historii
Has valka.cz's score changed over time?: valka.cz's overall score has declined by 7 points (from 90 to 83) since Jul 27, 2026.