What technology does lupa.cz use?

lupa.cz is built with 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 93/100, combining SEO, performance, security, and accessibility.

lupa.cz

Lupa.cz - server o českém Internetu

Last scanned Jul 26, 2026, 11:19 AM

Overall score

Excellent

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 excellent (100/100). 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

5 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.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

100

Performance

292 ms

Security

HTTPS & header checks

100

Accessibility

0 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.

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 erik.dvorak@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 Ads Nginx

Hosting & CDN

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

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
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: 51
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

59 internal · 1 external · 20 broken

Images

22 total · 0 missing alt

Scripts / Styles

41 scripts · 0 stylesheets

JS / CSS size

19.7 KB · 165 KB

Page size

287 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: 287 ms
HTML size: 287 KB
Redirect chain: https://lupa.cz → https://www.lupa.cz/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does lupa.cz use?: lupa.cz is built with 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 93/100, combining SEO, performance, security, and accessibility.