What technology does root.cz use?

root.cz is built with Google Analytics, Google Ads, Nginx.

Is root.cz secure (HTTPS)?

Yes. root.cz uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 25, 2026.

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

What is root.cz's SEO score?

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

What is root.cz's overall website score?

root.cz has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.

Has root.cz's score changed over time?

root.cz's overall score has declined by 3 points (from 96 to 93) since Jul 26, 2026.

root.cz

Root.cz - informace nejen ze světa Linuxu

Last scanned Aug 4, 2026, 12:00 AM · 10 views

Overall score

Excellent

Summary

Píšeme o serverech, sítích a počítačové bezpečnosti. This website uses Nginx. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.

Píšeme o serverech, sítích a počítačové bezpečnosti. Články, zprávičky, komentáře, fórum.

Top issues to fix

5 issues found

Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
1 broken link on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

100

Performance

348 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-3 overall since Jul 26, 2026

Overall: 93
SEO: 80
Security: 95
Performance: 100
Accessibility: 100

Organization

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

Píšeme o serverech, sítích a počítačové bezpečnosti. Články, zprávičky, komentáře, fórum.

Contact

Email, phone, and address published on this site's own pages.

Email: b945dfd40ee14a049221190a7f57fe2d@sentry.iinfo.cz

Meta tags

Title: Root.cz - informace nejen ze světa Linuxu
Description: Píšeme o serverech, sítích a počítačové bezpečnosti. Články, zprávičky, komentáře, fórum.
Canonical: https://www.root.cz/
Language: cs
Charset: utf-8
Viewport: width=device-width, initial-scale=1, minimum-scale=1
Robots meta: index, follow, max-image-preview:large
Manifest: https://i.iinfo.cz/sh/favicon/root-cz/manifest.json

Technologies

Detected frameworks, languages, and tools.

Google Analytics Google Ads Nginx

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: root.cz
Valid from: Jun 27, 2026
Valid to: Sep 25, 2026
Days until expiry: 52
SAN domains: *.blog.root.cz, 10.root.cz, admin.skoleni.root.cz, beta.admin.skoleni.root.cz, beta.root.cz, beta.skoleni.root.cz, blog.root.cz, cos.root.cz, knihy.root.cz, man.root.cz, root.cz, rss.root.cz, skoleni.root.cz, wiki.root.cz, www.root.cz, zdrojak.root.cz

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 5 · H3 33

Links

69 internal · 32 external · 1 broken

Images

23 total · 0 missing alt

Scripts / Styles

72 scripts · 3 stylesheets

JS / CSS size

18.9 KB · 148 KB

Page size

271 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://root.cz
Final URL: https://www.root.cz/
HTTP status: 200
HTTP version: HTTP/2
Response time: 343 ms
HTML size: 271 KB
Redirect chain: https://root.cz → https://www.root.cz/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does root.cz use?: root.cz is built with Google Analytics, Google Ads, Nginx.
Is root.cz secure (HTTPS)?: Yes. root.cz uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 25, 2026.
Who hosts root.cz?: Hosting provider information for root.cz is not available yet.
What is root.cz's SEO score?: root.cz scored 80/100 for SEO in the latest analysis (great).
What is root.cz's overall website score?: root.cz has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
Has root.cz's score changed over time?: root.cz's overall score has declined by 3 points (from 96 to 93) since Jul 26, 2026.