www.ecdl.cz - Secure (SSL)

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Additional info for https://www.ecdl.cz

Technical Information

HTTP Status Code	200
HTTP Version	HTTP/1.1
HTTPS	✔ Available
IP Address	80.188.153.18
Server Software	Apache/2.4.52 (Ubuntu)
Compression	gzip
🔒 🟡 Mixed Content (4 HTTP resources)	The page is served over HTTPS but loads 4 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing HSTS	HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy	CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options	The site can be embedded in iframes by third parties (clickjacking risk).

HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 80.188.153.18
Server Software Apache/2.4.52 (Ubuntu)
Compression gzip
🔒 🟡 Mixed Content (4 HTTP resources) The page is served over HTTPS but loads 4 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).

Performance

DNS Lookup	40.6 ms
TCP Connect	58 ms
TLS Handshake	26.8 ms
Time To First Byte (TTFB)	134 ms
Content Download	0.2 ms
Total Response Time	134.2 ms

DNS Lookup 40.6 ms
TCP Connect 58 ms
TLS Handshake 26.8 ms
Time To First Byte (TTFB) 134 ms
Content Download 0.2 ms
Total Response Time 134.2 ms

Security

HTTPS	✔ Enabled
HSTS	✘ Not configured
CSP	⚠ Not configured
X-Frame-Options	⚠ Not configured
X-Content-Type-Options	⚠ Not configured
HTTP/2	⚠ HTTP/1.1

HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1

SEO Quick Check

Title	European / International Certification of Digital Literacy and Digital Skills
Meta Description	Mezinárodní certifikace digitální gramotnosti v České republice
Robots Meta	all,follow
Open Graph Title	International Certification of Digital Literacy
Open Graph Description	ECDL / ICDL International Certification of Digital Literacy - Mezinárodní certifikace digitální gramotnosti v České republice
Open Graph Image	http://www.ecdl.cz/obr/webECDL.png

Title European / International Certification of Digital Literacy and Digital Skills
Meta Description Mezinárodní certifikace digitální gramotnosti v České republice
Robots Meta all,follow
Open Graph Title International Certification of Digital Literacy
Open Graph Description ECDL / ICDL International Certification of Digital Literacy - Mezinárodní certifikace digitální gramotnosti v České republice
Open Graph Image http://www.ecdl.cz/obr/webECDL.png

Detected Technologies

Technology	jQuery Google Analytics Google Tag Manager Apache PHP

Technology jQuery Google Analytics Google Tag Manager Apache PHP

HTTP Headers

Date	Tue, 28 Jul 2026 17:00:41 GMT
Server	Apache/2.4.52 (Ubuntu)
Cache-Control	max-age=3600, public
Content-Language	cs
Vary	Accept-Encoding
Content-Encoding	gzip
Content-Length	7614
Content-Type	text/html; charset=utf-8

Meta Tags

Content-Type	text/html; charset=utf-8
Description	Mezinárodní certifikace digitální gramotnosti v České republice
Robots	all,follow

Date Tue, 28 Jul 2026 17:00:41 GMT
Server Apache/2.4.52 (Ubuntu)
Cache-Control max-age=3600, public
Content-Language cs
Vary Accept-Encoding
Content-Encoding gzip
Content-Length 7614
Content-Type text/html; charset=utf-8

Content-Type text/html; charset=utf-8
Description Mezinárodní certifikace digitální gramotnosti v České republice
Og:url http://www.ecdl.cz
Og:title International Certification of Digital Literacy
Og:description ECDL / ICDL International Certification of Digital Literacy - Mezinárodní certifikace digitální gramotnosti v České republice
Og:image