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SGSiteGraph

diit.cz

Diit.cz | Vybráno z IT

Last scanned Jul 27, 2026, 12:43 PM

87

Overall score

Great

Summary

This website uses Nginx hosted on MASTER-AS - MasterDC s.r.o., CZ. SEO is good (80/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing meta description.

CZ
Hosted on MASTER-AS - MasterDC s.r.o., CZ

Top issues to fix

5 issues found · 2 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 meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • Missing html lang attribute

    Accessibility

    Set <html lang="…"> so screen readers pick the right pronunciation rules.

80

SEO

3 issue(s) found

90

Performance

474 ms

90

Security

HTTPS & header checks

90

Accessibility

1 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.

Meta tags

Title
Diit.cz | Vybráno z IT
Description
Canonical
Language
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

CDN provider
IP address
178.238.38.24
ASN
AS24971 (MASTER-AS - MasterDC s.r.o., CZ)

DNS records

TypeValue
A
  • 178.238.38.24
AAAA
  • 2a01:430:45::24
MX
  • pmg.aira.cz
TXT
  • v=spf1 a mx include:spf.aira.cz -all
NS
  • nsb.aira.cz
  • nsa.aira.cz
  • nsc.aira.cz
CAA
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.diit.cz
Valid from
Jun 1, 2026
Valid to
Aug 30, 2026
Days until expiry
33
SAN domains
cdr.cz, cdrserver.cz, deepinit.cz, diit.cz, itnews.cz, topit.cz, www.cdr.cz, www.cdrserver.cz, www.deepinit.cz, www.diit.cz, www.itnews.cz, www.topit.cz

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 96 · H3 0

Links

117 internal · 28 external · 0 broken

Images

107 total · 1 missing alt

Scripts / Styles

51 scripts · 0 stylesheets

JS / CSS size

190 KB · 2.5 KB

Page size

212 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
36
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Missing meta description
  • Missing canonical link
  • Missing OpenGraph tags

Accessibility issues

  • Missing <html lang> attribute

Scan details

Requested URL
https://diit.cz
Final URL
https://diit.cz
HTTP status
200
HTTP version
HTTP/2
Response time
470 ms
HTML size
212 KB
Redirect chain
https://diit.cz

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Frequently asked questions

What technology does diit.cz use?
diit.cz is built with Drupal, jQuery, Meta Pixel, Nginx.
Is diit.cz secure (HTTPS)?
Yes. diit.cz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 30, 2026.
Who hosts diit.cz?
diit.cz is hosted on MASTER-AS - MasterDC s.r.o., CZ.
What is diit.cz's SEO score?
diit.cz scored 80/100 for SEO in the latest analysis (great).
What is diit.cz's overall website score?
diit.cz has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.