kosmas.cz
KOSMAS.cz - online knihkupectví
Last scanned Aug 5, 2026, 1:00 AM · 10 views
Overall score
Fair
Summary
Nakupte knihy za dobré ceny v internetovém knihkupectví Kosmas.cz. This website uses Google Analytics. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (90/100). Top issue: No H1 heading found.
Nakupte knihy za dobré ceny v internetovém knihkupectví Kosmas.cz.
Top issues to fix
9 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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 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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
367 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
0 overall since Jul 27, 2026
- Overall
- 79
- SEO
- 65
- Security
- 75
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Nakupte knihy za dobré ceny v internetovém knihkupectví Kosmas.cz.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- KOSMAS.cz - online knihkupectví
- Description
- Nakupte knihy za dobré ceny v internetovém knihkupectví Kosmas.cz.
- Canonical
- https://www.kosmas.cz/
- Language
- cs
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- 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
- GoDaddy.com, Inc.
- Subject
- *.kosmas.cz
- Valid from
- May 11, 2026
- Valid to
- Nov 25, 2026
- Days until expiry
- 112
- SAN domains
- *.kosmas.cz, kosmas.cz
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 0 · H2 16 · H3 8
Links
160 internal · 5 external · 10 broken
Images
139 total · 0 missing alt
Scripts / Styles
29 scripts · 1 stylesheets
JS / CSS size
3.3 KB · 7.4 KB
Page size
83.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://kosmas.cz
- Final URL
- https://www.kosmas.cz/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 366 ms
- HTML size
- 83.9 KB
- Redirect chain
- https://kosmas.cz → https://www.kosmas.cz/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does kosmas.cz use?
- kosmas.cz is built with Google Analytics, Meta Pixel.
- Is kosmas.cz secure (HTTPS)?
- Yes. kosmas.cz uses TLS 1.3 with a certificate issued by GoDaddy.com, Inc., valid until Nov 25, 2026.
- Who hosts kosmas.cz?
- Hosting provider information for kosmas.cz is not available yet.
- What is kosmas.cz's SEO score?
- kosmas.cz scored 65/100 for SEO in the latest analysis (fair).
- What is kosmas.cz's overall website score?
- kosmas.cz has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Has kosmas.cz's score changed over time?
- kosmas.cz's overall score has stayed steady at 79/100 since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card