polona.pl
Polona
Last scanned Jul 27, 2026, 10:43 AM
Overall score
Fair
Summary
This website uses Nginx hosted on BN - Biblioteka Narodowa, PL. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (90/100). Top issue: Missing meta description.
- Poland
- Hosted on BN - Biblioteka Narodowa, PL
Top issues to fix
8 issues found · 4 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 meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
150 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
Source: https://polona.pl/contact
Meta tags
- Title
- Polona
- Description
- Canonical
- Language
- pl
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- BN - Biblioteka Narodowa, PL
- CDN provider
- —
- IP address
- 91.238.85.164
- ASN
- AS203422 (BN - Biblioteka Narodowa, PL)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Asseco Data Systems S.A.
- Subject
- *.polona.pl
- Valid from
- Apr 29, 2026
- Valid to
- Nov 14, 2026
- Days until expiry
- 109
- SAN domains
- *.polona.pl, polona.pl
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
5 scripts · 1 stylesheets
JS / CSS size
648 KB · 384 KB
Page size
15.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://polona.pl
- Final URL
- https://polona.pl
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 150 ms
- HTML size
- 15.4 KB
- Redirect chain
- https://polona.pl
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does polona.pl use?
- polona.pl is built with Meta Pixel, Nginx.
- Is polona.pl secure (HTTPS)?
- Yes. polona.pl uses TLS 1.3 with a certificate issued by Asseco Data Systems S.A., valid until Nov 14, 2026.
- Who hosts polona.pl?
- polona.pl is hosted on BN - Biblioteka Narodowa, PL.
- What is polona.pl's SEO score?
- polona.pl scored 55/100 for SEO in the latest analysis (fair).
- What is polona.pl's overall website score?
- polona.pl has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
- Is polona.pl hiring?
- polona.pl has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card