What technology does virusfree.cz use?

virusfree.cz is built with PHP, Google Analytics, Apache.

Is virusfree.cz secure (HTTPS)?

Yes. virusfree.cz uses TLS 1.3 with a certificate issued by GoDaddy.com, Inc., valid until Nov 14, 2026.

Who hosts virusfree.cz?

virusfree.cz is hosted on WIA-AS - WIA spol. s.r.o., CZ.

What is virusfree.cz's SEO score?

virusfree.cz scored 80/100 for SEO in the latest analysis (great).

What is virusfree.cz's overall website score?

virusfree.cz has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.

virusfree.cz

VirusFree - Garantovaný antispam a antivir

Last scanned Jul 26, 2026, 5:17 AM · 1 view

Overall score

Excellent

Summary

Virusfree je cloudová služba emailové bezpečnosti, která 10x přesněji ochrání Váš mailbox před velkou škálou kybernetických hrozeb. This website uses PHP hosted on WIA-AS - WIA spol. s.r.o., CZ. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

Virusfree je cloudová služba emailové bezpečnosti, která 10x přesněji ochrání Váš mailbox před velkou škálou kybernetických hrozeb. Přitom stále budete mít jistotu, že budete bezpečně přijímat a odesílat veškeré emaily. S balíčkem kybernetické bezpečnosti Virusfree získáte spolehlivý antispam a antivirus, ochranu přiložených souborů a šifrování emailů.

Hosted on WIA-AS - WIA spol. s.r.o., CZ

Top issues to fix

5 issues found · 1 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
2 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

100

Performance

615 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

X (Twitter)

Meta tags

Title: VirusFree - Garantovaný antispam a antivir
Description: Virusfree je cloudová služba emailové bezpečnosti, která 10x přesněji ochrání Váš mailbox před velkou škálou kybernetických hrozeb. Přitom stále budete mít jistotu, že budete bezpečně přijímat a odesílat veškeré emaily. S balíčkem kybernetické bezpečnosti Virusfree získáte spolehlivý antispam a antivirus, ochranu přiložených souborů a šifrování emailů.
Canonical
Language: cs
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest: https://www.virusfree.cz/images/favicon/site.webmanifest

Technologies

Detected frameworks, languages, and tools.

PHP Google Analytics Apache

Hosting & CDN

Hosting provider: WIA-AS - WIA spol. s.r.o., CZ
CDN provider: —
IP address: 81.0.252.214
ASN: AS21430 (WIA-AS - WIA spol. s.r.o., CZ)

DNS records

Type	Value
A	81.0.252.214
AAAA	2001:67c:15a0:4000::3
MX	cx.spamfree.cz dx.spamfree.cz ax.virusfree.cz bx.virusfree.cz
TXT	v=spf1 include:spf.smartemailing.cz redirect=spfsoft.virusfree.cz google-site-verification=36u4GB8ezF5LsnJ_bHtI3mEK8PzOtak3fYIT6PCWE9A g9dem55ebnsq2i52hvmckkicj3.
NS	ns2.websupport.cz ns1.websupport.cz ns3.websupport.eu
CAA	—
CNAME	virusfree.cz
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: GoDaddy.com, Inc.
Subject: *.virusfree.cz
Valid from: Apr 30, 2026
Valid to: Nov 14, 2026
Days until expiry: 111
SAN domains: *.virusfree.cz, virusfree.cz

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 6 · H3 0

Links

21 internal · 3 external · 2 broken

Images

9 total · 1 missing alt

Scripts / Styles

3 scripts · 1 stylesheets

JS / CSS size

147 B · 83.1 KB

Page size

31.1 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 4
sitemap.xml: Found
URLs in sitemap: 104

SEO issues

Meta description longer than 160 characters
Missing canonical link
No structured data (JSON-LD) found

Scan details

Requested URL: https://virusfree.cz
Final URL: https://www.virusfree.cz/cs/
HTTP status: 200
HTTP version: HTTP/2
Response time: 615 ms
HTML size: 31.1 KB
Redirect chain: https://virusfree.cz → https://www.virusfree.cz/ → https://www.virusfree.cz/cs/

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