helion.pl
Wydawnictwo Helion. Informatyczna księgarnia internetowa - książki naukowe, ebooki i audiobooki.
Last scanned Aug 24, 2026, 1:22 PM
Overall score
Great
Summary
W księgarni internetowej wydawnictwa Helion znajdziesz książki, ebooki i audiobooki. This website uses Google Analytics. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance good (80/100). Top issue: Title longer than 60 characters.
Wydawnictwo Helion
W księgarni internetowej wydawnictwa Helion znajdziesz książki, ebooki i audiobooki. Opinie, recenzje, promocje i zestawy promocyjne. Sprawdź online!
Top issues to fix
8 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
TLS certificate expires in 18 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
392 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Wydawnictwo Helion
W księgarni internetowej wydawnictwa Helion znajdziesz książki, ebooki i audiobooki. Opinie, recenzje, promocje i zestawy promocyjne. Sprawdź online!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Wydawnictwo Helion. Informatyczna księgarnia internetowa - książki naukowe, ebooki i audiobooki.
- Description
- W księgarni internetowej wydawnictwa Helion znajdziesz książki, ebooki i audiobooki. Opinie, recenzje, promocje i zestawy promocyjne. Sprawdź online!
- Canonical
- https://helion.pl
- Language
- pl
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 188.117.147.116
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- nazwa.pl Sp. z o.o.
- Subject
- *.helion.pl
- Valid from
- Mar 13, 2026
- Valid to
- Sep 12, 2026
- Days until expiry
- 18
- SAN domains
- *.helion.pl, helion.pl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 12 · H3 10
Links
858 internal · 25 external · 2 broken
Images
313 total · 0 missing alt
Scripts / Styles
41 scripts · 6 stylesheets
JS / CSS size
751 KB · 148 KB
Page size
1.1 MB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://helion.pl
- Final URL
- https://helion.pl
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 370 ms
- HTML size
- 1.1 MB
- Redirect chain
- https://helion.pl
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does helion.pl use?
- helion.pl is built with jQuery, Google Analytics, Google Ads, Meta Pixel.
- Is helion.pl secure (HTTPS)?
- Yes. helion.pl uses TLS 1.3 with a certificate issued by nazwa.pl Sp. z o.o., valid until Sep 12, 2026.
- Who hosts helion.pl?
- Hosting provider information for helion.pl is not available yet.
- What is helion.pl's SEO score?
- helion.pl scored 85/100 for SEO in the latest analysis (great).
- What is helion.pl's overall website score?
- helion.pl has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- What company operates helion.pl?
- helion.pl is operated by Wydawnictwo Helion. W księgarni internetowej wydawnictwa Helion znajdziesz książki, ebooki i audiobooki. Opinie, recenzje, promocje i zestawy promocyjne. Sprawdź online!
OpenGraph & Twitter Card
OpenGraph
Twitter Card