What technology does lupa.cz use?

lupa.cz is built with Google Analytics, Google Ads, Nginx.

Is lupa.cz secure (HTTPS)?

Yes. lupa.cz uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 18, 2026.

Hosting provider information for lupa.cz is not available yet.

What is lupa.cz's SEO score?

lupa.cz scored 80/100 for SEO in the latest analysis (great).

What is lupa.cz's overall website score?

lupa.cz has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.

Has lupa.cz's score changed over time?

lupa.cz's overall score has declined by 6 points (from 93 to 87) since Jul 26, 2026.

lupa.cz

Lupa.cz - server o českém Internetu

Last scanned Aug 7, 2026, 5:00 AM · 5 views

Overall score

Great

Summary

Svět IT, dění na trhu, bezpečnost na internetu, připojení k internetu, mobilní internet, online média a reklama, cloudové služby. This website uses Nginx. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance good (75/100). Top issue: No structured data (JSON-LD) found.

Svět IT, dění na trhu, bezpečnost na internetu, připojení k internetu, mobilní internet, online média a reklama, cloudové služby.

Top issues to fix

4 issues found

Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

SEO

3 issue(s) found

Performance

309 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-6 overall since Jul 26, 2026

Overall: 87
SEO: 80
Security: 95
Performance: 75
Accessibility: 100

Organization

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

Svět IT, dění na trhu, bezpečnost na internetu, připojení k internetu, mobilní internet, online média a reklama, cloudové služby.

Contact

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

Email: 9ccb1eba1d0349c6b349cfbb179b039d@sentry.iinfo.cz

Meta tags

Title: Lupa.cz - server o českém Internetu
Description: Svět IT, dění na trhu, bezpečnost na internetu, připojení k internetu, mobilní internet, online média a reklama, cloudové služby.
Canonical: https://www.lupa.cz/
Language: cs
Charset: utf-8
Viewport: width=device-width, initial-scale=1, minimum-scale=1
Robots meta: index, follow, max-image-preview:large
Manifest: https://i.iinfo.cz/sh/favicon/lupa-cz/manifest.json

Technologies

Detected frameworks, languages, and tools.

Google Analytics Google Ads Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 91.213.160.123
ASN: —

DNS records

Type	Value
A	91.213.160.123
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	lupa.cz
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.2
Issuer: Let's Encrypt
Subject: lupa.cz
Valid from: Jun 20, 2026
Valid to: Sep 18, 2026
Days until expiry: 42
SAN domains: beta.lupa.cz, blog-beta.lupa.cz, blog.lupa.cz, diners-beta.lupa.cz, diners.lupa.cz, kristalova.lupa.cz, lupa.cz, nastroje.lupa.cz, rss.lupa.cz, whois.lupa.cz, www.kristalova.lupa.cz, www.lupa.cz

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 5 · H3 35

Links

78 internal · 2 external · 0 broken

Images

24 total · 0 missing alt

Scripts / Styles

70 scripts · 3 stylesheets

JS / CSS size

1.2 MB · 552 KB

Page size

288 KB

Robots.txt & Sitemap

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

SEO issues

No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://lupa.cz
Final URL: https://www.lupa.cz/
HTTP status: 200
HTTP version: HTTP/2
Response time: 304 ms
HTML size: 288 KB
Redirect chain: https://lupa.cz → https://www.lupa.cz/

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Frequently asked questions

What technology does lupa.cz use?: lupa.cz is built with Google Analytics, Google Ads, Nginx.
Is lupa.cz secure (HTTPS)?: Yes. lupa.cz uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 18, 2026.
Who hosts lupa.cz?: Hosting provider information for lupa.cz is not available yet.
What is lupa.cz's SEO score?: lupa.cz scored 80/100 for SEO in the latest analysis (great).
What is lupa.cz's overall website score?: lupa.cz has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
Has lupa.cz's score changed over time?: lupa.cz's overall score has declined by 6 points (from 93 to 87) since Jul 26, 2026.