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o2.sk

O2 | Mobilné telefóny, internet a volacie programy

Last scanned Aug 6, 2026, 4:00 AM · 5 views

85

Overall score

Great

Summary

Férový operátor O2 Slovensko. This website uses Google Analytics. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.

Férový operátor O2 Slovensko. Vyberte si z ponuky výhodných volaní, dátových balíčkov, mobilných telefónov a tabletov v O2 E-shope. Kontrola spotreby, faktúry, dobíjanie kreditu a aktivácia balíčkov v zóne Moje O2.

Top issues to fix

8 issues found · 2 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • 3 cookies 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.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • 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.

+2 more issues — details in the sections below.

75

SEO

4 issue(s) found

90

Performance

349 ms

80

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+2 overall since Jul 26, 2026

Overall
85
SEO
75
Security
80
Performance
90
Accessibility
100

Organization

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

Férový operátor O2 Slovensko. Vyberte si z ponuky výhodných volaní, dátových balíčkov, mobilných telefónov a tabletov v O2 E-shope. Kontrola spotreby, faktúry, dobíjanie kreditu a aktivácia balíčkov v zóne Moje O2.

FacebookYouTubeX (Twitter)Instagram

Meta tags

Title
O2 | Mobilné telefóny, internet a volacie programy
Description
Férový operátor O2 Slovensko. Vyberte si z ponuky výhodných volaní, dátových balíčkov, mobilných telefónov a tabletov v O2 E-shope. Kontrola spotreby, faktúry, dobíjanie kreditu a aktivácia balíčkov v zóne Moje O2.
Canonical
https://www.o2.sk
Language
sk-SK
Charset
UTF-8
Viewport
initial-scale=1.0, width=device-width
Robots meta
Manifest
https://www.o2.sk/delegate/manifest.json?playName=Moje%20O2%20SK&playShortName=Moje%20O2%20SK&playIconBaseUrl=%2Fo%2Feportal-liferaytheme/images%2Fmoje-o2-logo&playPlatform=play&playId=sk.o2.mojeo2&gcmSenderId=130945280786

OpenGraph & Twitter Card

OpenGraph

og:title
O2 | Mobilné telefóny, internet a volacie programy - O2
og:description
Férový operátor O2 Slovensko. Vyberte si z ponuky výhodných volaní, dátových balíčkov, mobilných telefónov a tabletov v O2 E-shope. Kontrola spotreby, faktúry, dobíjanie kreditu a aktivácia balíčkov v zóne Moje O2.
og:type
website
og:url
https://www.o2.sk

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Google Analytics

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
DigiCert Inc
Subject
*.o2.sk
Valid from
May 5, 2026
Valid to
Nov 19, 2026
Days until expiry
105
SAN domains
*.o2.sk, o2.sk

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 9 cookie(s) observed

Content & assets

Headings

H1 1 · H2 16 · H3 12

Links

120 internal · 10 external · 20 broken

Images

29 total · 2 missing alt

Scripts / Styles

62 scripts · 9 stylesheets

JS / CSS size

93.8 KB · 60.5 KB

Page size

324 KB

Robots.txt & Sitemap

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

SEO issues

  • Meta description longer than 160 characters
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://o2.sk
Final URL
https://www.o2.sk/
HTTP status
200
HTTP version
HTTP/2
Response time
343 ms
HTML size
324 KB
Redirect chain
https://o2.sk → https://www.o2.sk/

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Frequently asked questions

What technology does o2.sk use?
o2.sk is built with Google Analytics.
Is o2.sk secure (HTTPS)?
Yes. o2.sk uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 19, 2026.
Who hosts o2.sk?
Hosting provider information for o2.sk is not available yet.
What is o2.sk's SEO score?
o2.sk scored 75/100 for SEO in the latest analysis (fair).
What is o2.sk's overall website score?
o2.sk has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
Has o2.sk's score changed over time?
o2.sk's overall score has improved by 2 points (from 83 to 85) since Jul 26, 2026.