What technology does o2.cz use?

We did not detect any specific technologies for o2.cz in the latest scan.

Is o2.cz secure (HTTPS)?

Yes. o2.cz uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Sep 23, 2026.

What is o2.cz's SEO score?

o2.cz scored 100/100 for SEO in the latest analysis (excellent).

What is o2.cz's overall website score?

o2.cz has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.

o2.cz

O2 | Mobilní tarif, internet, televize a balíčky O2 Spolu

Last scanned Jul 25, 2026, 12:25 PM · 2 views

Overall score

Excellent

Summary

Dopřejte si to nejlepší: neomezený tarif i volání, rychlý internet, Oneplay nebo výhodný balíček služeb O2 Spolu. This website is hosted on O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100).

O2 CZ

Dopřejte si to nejlepší: neomezený tarif i volání, rychlý internet, Oneplay nebo výhodný balíček služeb O2 Spolu. Vše online i aplikaci Moje O2.

Hosted on O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ

Top issues to fix

3 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.
2 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

100

SEO

0 issue(s) found

Performance

839 ms

Security

HTTPS & header checks

100

Accessibility

0 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.

O2 CZ

Dopřejte si to nejlepší: neomezený tarif i volání, rychlý internet, Oneplay nebo výhodný balíček služeb O2 Spolu. Vše online i aplikaci Moje O2.

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Contact

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

Email: 9d2f87f07f4d32cfc6070f614d7631fd@monitoring-widget.o2.cz

Meta tags

Title: O2 | Mobilní tarif, internet, televize a balíčky O2 Spolu
Description: Dopřejte si to nejlepší: neomezený tarif i volání, rychlý internet, Oneplay nebo výhodný balíček služeb O2 Spolu. Vše online i aplikaci Moje O2.
Canonical: https://www.o2.cz
Language: cs
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest: https://www.o2.cz/manifest.json?_linka=a995131

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ
CDN provider: —
IP address: 160.218.161.162
ASN: AS5610 (O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ)

DNS records

Type	Value
A	160.218.161.162
AAAA	2001:41d8:1:742:2::2
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: DigiCert Inc
Subject: www.o2.cz
Valid from: Sep 24, 2025
Valid to: Sep 23, 2026
Days until expiry: 60
SAN domains: www.o2.cz, o2.cz

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 6 · H3 15

Links

51 internal · 32 external · 2 broken

Images

21 total · 0 missing alt

Scripts / Styles

16 scripts · 1 stylesheets

JS / CSS size

371 KB · 473 KB

Page size

189 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 11
sitemap.xml: Found
URLs in sitemap: 62

SEO issues

No SEO issues detected.

Scan details

Requested URL: https://o2.cz
Final URL: https://www.o2.cz
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 836 ms
HTML size: 189 KB
Redirect chain: https://o2.cz → https://www.o2.cz

See something wrong on this report? Request a correction

Same hosting provider

mojedatovaschranka.cz

Datové schránky

apachejquery

O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ

Frequently asked questions

What technology does o2.cz use?: We did not detect any specific technologies for o2.cz in the latest scan.
Is o2.cz secure (HTTPS)?: Yes. o2.cz uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Sep 23, 2026.
Who hosts o2.cz?: o2.cz is hosted on O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ.
What is o2.cz's SEO score?: o2.cz scored 100/100 for SEO in the latest analysis (excellent).
What is o2.cz's overall website score?: o2.cz has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
What company operates o2.cz?: o2.cz is operated by O2 CZ. Dopřejte si to nejlepší: neomezený tarif i volání, rychlý internet, Oneplay nebo výhodný balíček služeb O2 Spolu. Vše online i aplikaci Moje O2.