megaknihy.cz
MegaKnihy.cz - Levné Knihy Online - Megaknihy.cz
Last scanned Aug 5, 2026, 9:00 AM · 7 views
Overall score
Fair
Summary
Nejlevnější knihy v ČR, Nejnižší poštovné 79 Kč, Zavedený prodejce české knihy = 77 000+ titulů SKLADEM, 99% zákazníků doporučuje. This website uses Apache. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
Nejlevnější knihy v ČR, Nejnižší poštovné 79 Kč, Zavedený prodejce české knihy = 77 000+ titulů SKLADEM, 99% zákazníků doporučuje. Zjistěte více!
Top issues to fix
12 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.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+6 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
1.09 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-5 overall since Jul 26, 2026
- Overall
- 77
- SEO
- 60
- Security
- 65
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- info@megaknihy.cz
Meta tags
- Title
- MegaKnihy.cz - Levné Knihy Online - Megaknihy.cz
- Description
- Nejlevnější knihy v ČR, Nejnižší poštovné 79 Kč, Zavedený prodejce české knihy = 77 000+ titulů SKLADEM, 99% zákazníků doporučuje. Zjistěte více!
- Canonical
- Language
- cs
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- index,follow
- 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
- Let's Encrypt
- Subject
- www.megaknihy.cz
- Valid from
- Jun 28, 2026
- Valid to
- Sep 26, 2026
- Days until expiry
- 52
- SAN domains
- megaknihy.cz, www.megaknihy.cz
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 7 cookie(s) observed
Content & assets
Headings
H1 3 · H2 54 · H3 2
Links
164 internal · 13 external · 2 broken
Images
193 total · 0 missing alt
Scripts / Styles
57 scripts · 30 stylesheets
JS / CSS size
8.1 KB · 13.6 KB
Page size
123 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://megaknihy.cz
- Final URL
- https://www.megaknihy.cz/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.09 s
- HTML size
- 123 KB
- Redirect chain
- https://megaknihy.cz → https://www.megaknihy.cz/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does megaknihy.cz use?
- megaknihy.cz is built with jQuery, Google Analytics, Apache.
- Is megaknihy.cz secure (HTTPS)?
- Yes. megaknihy.cz uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 26, 2026.
- Who hosts megaknihy.cz?
- Hosting provider information for megaknihy.cz is not available yet.
- What is megaknihy.cz's SEO score?
- megaknihy.cz scored 60/100 for SEO in the latest analysis (fair).
- What is megaknihy.cz's overall website score?
- megaknihy.cz has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
- Has megaknihy.cz's score changed over time?
- megaknihy.cz's overall score has declined by 5 points (from 82 to 77) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card