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.

Hosting provider information for dos.zone is not available yet.

What is dos.zone's SEO score?

dos.zone scored 90/100 for SEO in the latest analysis (excellent).

What is dos.zone's overall website score?

dos.zone has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.

Has dos.zone's score changed over time?

dos.zone's overall score has improved by 3 points (from 83 to 86) since Jul 26, 2026.

dos.zone

DOS Zone | DOS games in browser

Last scanned Aug 6, 2026, 5:00 AM · 10 views

Overall score

Great

Summary

Ultimate collection of free dos games to play online in browser. This website uses Nginx. SEO is excellent (90/100) 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

4 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
No H1 heading found
SEO
Add 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
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

SEO

1 issue(s) found

Performance

232 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

+3 overall since Jul 26, 2026

Overall: 86
SEO: 90
Security: 75
Performance: 90
Accessibility: 90

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!

X (Twitter)

Contact

Email, phone, and address published on this site's own pages.

Email: caiiiycuk@gmail.com dz.caiiiycuk@gmail.com

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.

Tailwind CSS Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 188.72.103.3
ASN: —

DNS records

Type	Value
A	188.72.103.3
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	8086db3e3fdff840.topology.gslb.yccdn.ru
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: 66
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 · 0 broken

Images

118 total · 0 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

991 KB · 160 KB

Page size

311 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 4
sitemap.xml: Found
URLs in sitemap: -1

SEO 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: 226 ms
HTML size: 311 KB
Redirect chain: https://dos.zone

See something wrong on this report? Request a correction

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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 90/100 for SEO in the latest analysis (excellent).
What is dos.zone's overall website score?: dos.zone has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
Has dos.zone's score changed over time?: dos.zone's overall score has improved by 3 points (from 83 to 86) since Jul 26, 2026.