librus.pl
Librus - Systemy informatyczne wspierające edukację
Last scanned Jul 29, 2026, 12:00 PM · 12 views
Overall score
Excellent
Summary
Systemy informatyczne oraz usługi wspierające polską edukację. This website uses WordPress. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: robots.txt not found.
Librus Spółka z ograniczoną odpowiedzialnością sp. k. (dawniej Librus Sp. z o. o.)
Systemy informatyczne oraz usługi wspierające polską edukację. Nasze kluczowe rozwiązanie to coś więcej niż dziennik elektroniczny.
- Korfantego 193, Katowice, 40-153, Poland
Top issues to fix
6 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
365 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 18, 2026
- Overall
- 91
- SEO
- 90
- Security
- 75
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Librus Spółka z ograniczoną odpowiedzialnością sp. k. (dawniej Librus Sp. z o. o.)
Systemy informatyczne oraz usługi wspierające polską edukację. Nasze kluczowe rozwiązanie to coś więcej niż dziennik elektroniczny.
Contact
Email, phone, and address published on this site's own pages.
- librus@librus.pl
- Address
- Korfantego 193, Katowice, 40-153, Poland
Meta tags
- Title
- Librus - Systemy informatyczne wspierające edukację
- Description
- Systemy informatyczne oraz usługi wspierające polską edukację. Nasze kluczowe rozwiązanie to coś więcej niż dziennik elektroniczny.
- Canonical
- https://www.librus.pl/
- Language
- pl-PL
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
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 1.3
- Issuer
- DigiCert Inc
- Subject
- *.librus.pl
- Valid from
- Jul 15, 2026
- Valid to
- Jan 29, 2027
- Days until expiry
- 184
- SAN domains
- *.librus.pl, librus.pl
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 16
Links
39 internal · 26 external · 20 broken
Images
30 total · 0 missing alt
Scripts / Styles
11 scripts · 1 stylesheets
JS / CSS size
2.4 KB · 15.3 KB
Page size
69.4 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://librus.pl
- Final URL
- https://www.librus.pl/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 364 ms
- HTML size
- 69.4 KB
- Redirect chain
- https://librus.pl → https://www.librus.pl/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does librus.pl use?
- librus.pl is built with WordPress, jQuery.
- Is librus.pl secure (HTTPS)?
- Yes. librus.pl uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Jan 29, 2027.
- Who hosts librus.pl?
- Hosting provider information for librus.pl is not available yet.
- What is librus.pl's SEO score?
- librus.pl scored 90/100 for SEO in the latest analysis (excellent).
- What is librus.pl's overall website score?
- librus.pl has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- What company operates librus.pl?
- librus.pl is operated by Librus Spółka z ograniczoną odpowiedzialnością sp. k. (dawniej Librus Sp. z o. o.). Systemy informatyczne oraz usługi wspierające polską edukację. Nasze kluczowe rozwiązanie to coś więcej niż dziennik elektroniczny.
- Has librus.pl's score changed over time?
- librus.pl's overall score has stayed steady at 91/100 since Jul 18, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card