dos.zone
DOS Zone | DOS games in browser
Last scanned Jul 26, 2026, 7:46 AM
Overall score
Great
Summary
Ultimate collection of free dos games to play online in browser. This website uses Nginx. SEO is good (80/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (90/100). Top issue: No H1 heading found.
Ultimate collection of free dos games to play online in browser. No registration needed, no advertisment, just play!
Top issues to fix
7 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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
458 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Ultimate collection of free dos games to play online in browser. No registration needed, no advertisment, just play!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- DOS Zone | DOS games in browser
- Description
- Ultimate collection of free dos games to play online in browser. No registration needed, no advertisment, just play!
- Canonical
- https://dos.zone/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no
- Robots meta
- Manifest
- https://dos.zone/manifest.json
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
- dos.zone
- Valid from
- Jul 13, 2026
- Valid to
- Oct 11, 2026
- Days until expiry
- 74
- SAN domains
- dos.zone
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 117 · H3 0
Links
169 internal · 10 external · 20 broken
Images
118 total · 0 missing alt
Scripts / Styles
3 scripts · 2 stylesheets
JS / CSS size
705 B · 0 B
Page size
313 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
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://dos.zone
- Final URL
- https://dos.zone
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 452 ms
- HTML size
- 313 KB
- Redirect chain
- https://dos.zone
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does dos.zone use?
- dos.zone is built with Tailwind CSS, Nginx.
- Is dos.zone secure (HTTPS)?
- Yes. dos.zone uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 11, 2026.
- Who hosts dos.zone?
- Hosting provider information for dos.zone is not available yet.
- What is dos.zone's SEO score?
- dos.zone scored 80/100 for SEO in the latest analysis (great).
- What is dos.zone's overall website score?
- dos.zone has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card