tele3.eu
TELE3 | registrace domén | webhosting | virtuální servery
Last scanned Aug 3, 2026, 7:00 PM · 9 views
Overall score
Great
Summary
Komplexní internetová řešení od TELE3 - registrace domén, webhosting, serverhosting, VPS, virtuální servery, správa serveru, SSL certifikáty, VoIP. This website uses Nginx hosted on CASABLANCA-AS - CASABLANCA INT a.s., CZ. SEO is good (80/100) and accessibility is good (85/100). Security scores good (85/100) and performance excellent (90/100). Top issue: Missing canonical link.
Komplexní internetová řešení od TELE3 - registrace domén, webhosting, serverhosting, VPS, virtuální servery, správa serveru, SSL certifikáty, VoIP
- CZ
- Hosted on CASABLANCA-AS - CASABLANCA INT a.s., CZ
Top issues to fix
7 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
1.70 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-3 overall since Jul 26, 2026
- Overall
- 85
- SEO
- 80
- Security
- 85
- Performance
- 90
- Accessibility
- 85
Organization
Company details published in this site's own structured data.
Komplexní internetová řešení od TELE3 - registrace domén, webhosting, serverhosting, VPS, virtuální servery, správa serveru, SSL certifikáty, VoIP
Meta tags
- Title
- TELE3 | registrace domén | webhosting | virtuální servery
- Description
- Komplexní internetová řešení od TELE3 - registrace domén, webhosting, serverhosting, VPS, virtuální servery, správa serveru, SSL certifikáty, VoIP
- Canonical
- Language
- cs
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index,follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- CASABLANCA-AS - CASABLANCA INT a.s., CZ
- CDN provider
- —
- IP address
- 81.0.217.1
- ASN
- AS15685 (CASABLANCA-AS - CASABLANCA INT a.s., CZ)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- ZeroSSL GmbH
- Subject
- tele3.cz
- Valid from
- Jun 5, 2026
- Valid to
- Sep 3, 2026
- Days until expiry
- 31
- SAN domains
- tele3.cz, *.tele3.cz
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 10 · H3 0
Links
45 internal · 4 external · 0 broken
Images
31 total · 7 missing alt
Scripts / Styles
11 scripts · 6 stylesheets
JS / CSS size
183 KB · 31.5 KB
Page size
13.9 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 139
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://tele3.eu
- Final URL
- https://www.tele3.cz
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 1.70 s
- HTML size
- 13.9 KB
- Redirect chain
- https://tele3.eu → https://www.tele3.cz
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does tele3.eu use?
- tele3.eu is built with PHP, jQuery, Nginx.
- Is tele3.eu secure (HTTPS)?
- Yes. tele3.eu uses TLS 1.2 with a certificate issued by ZeroSSL GmbH, valid until Sep 3, 2026.
- Who hosts tele3.eu?
- tele3.eu is hosted on CASABLANCA-AS - CASABLANCA INT a.s., CZ.
- What is tele3.eu's SEO score?
- tele3.eu scored 80/100 for SEO in the latest analysis (great).
- What is tele3.eu's overall website score?
- tele3.eu has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- Has tele3.eu's score changed over time?
- tele3.eu's overall score has declined by 3 points (from 88 to 85) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card