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dos.zone

https://dos.zone· First analyzed 09 May 2026· Updated 09 May 2026
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dos.zone
Desktop screenshot of dos.zone
Mobile screenshot of dos.zone
Mobile

Sponsored

Hosting Provider

Yandex.Cloud LLC

IP Address

188.72.103.3

Site Location

🇦🇪 United Arab Emiratesvia ip

Server Location

🇦🇪 Dubai, United Arab Emirates

ASN

AS215013

Organization

Yandex.Cloud LLC

Server

Nginx

Performance

94

Core Web Vitals

Weight

First Contentful Paint
1.2 s10%
Speed Index
1.6 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.6 MB
60 requests

Image Optimization

Lazy LoadWebP
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
Infrastructure
Hosting
Yandex.Cloud LLC

Progressive Web App

Web Manifest

Technology Stack

2 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Web Servers

1
Nginx

SEO Analysis

B73/100
23
4
1
Meta Tags11/15
Content10/12
Headings3/8
Technical21/25
E-E-A-T0/7
Images6/7
Links5/5
URL5/5
Social5/5
Freshness0/4
Mobile4/4
Indexability3/3
D
dos.zonedos.zone

DOS Zone | DOS games in browser

Ultimate collection of free dos games to play online in browser. No registration needed, no advertisment, just play!

Title Length31 chars

Recommended: 50-60 chars (~199px / 580px)

Description Length116 chars

Recommended: 120-160 chars

Issues (1)

  • • Missing H1 tag — every page should have exactly one H1

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

2 URLs

2 sub-sitemaps

robots.txt

8 rules

Sitemap reference found

Local SEO

Local Search Readiness

21/100
Needs Work
6 11 1

Sponsored

AI & LLM Readiness

D45/100
Bot Access
20/25
Machine Read.
9/25
Schema Data
2/25
Citation
14/25

AI Bot Access

14/14 accessible
AI Search
OAI-SearchBot
PerplexityBot
Claude-SearchBot
Gemini-Deep-Research
DuckAssistBot
Training
GPTBot
ClaudeBot
Google-Extended
Meta-ExternalAgent
Bytespiderinfo
Amazonbot
Applebot-Extended
CCBotinfo
Fetch
ChatGPT-User

Machine Readability

llms.txt
llms-full.txt
Semantic HTML
Heading Hierarchy
Text ratio:2%
Words:924
Token eff.:Optimal
Sections/1K:34.6

Structured Data

1 JSON-LD
WebSite

Citation Readiness

Opening Summary46w
Descriptive Headingsavg 3.7w
Canonical URL
Open Graph3/3
Twitter Card3/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (10)
AI readiness recommendation preview...
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Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
D
59/100
7
Passed
5
Critical
2
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
7/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
7/15
Verifies form fields have labels, error messages are clear, and inputs are properly associated.
Color & Contrast
15/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
9/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
1/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
3 recommendations
  • •Accessibility recommendation preview...
Upgrade to view recommendations

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
29/100
E
327 mg
CO₂e / view
2.6 MB
Page Weight
30%
Cleaner Than
New Visitor
374 mg
vs
Returning (cached)
187 mg
Annual (10K/mo)
39.2 kg
Emission Segments
Data Center
73 mg
Network
79 mg
Device
176 mg
Resource Breakdown
JavaScript
273.8 KB
Images
2.1 MB
CSS
46.2 KB
HTML
23.3 KB
Other
143.6 KB
Green Hosting Not Verified
Yandex.Cloud LLC
6 recommendations
  • •Carbon footprint recommendation preview...
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D

Security Score

44%Poor
Interactive

HTTPS

No WAF

35d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

15.03.2026

Valid Until

13.06.2026

Subject Alternative Names (1)

dos.zone

SHA-256 Fingerprint

6D:AE:FB:1E:D3:69:5B:CC:09:7D:15:22:F1:B0:1A:E8:56:9E:E3:1C...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🔵 4 Days(max-age=345600)
cache-host
yccdn-rndttk-1.yccdn.cloud.yandex.net
cache-status
HIT
content-encoding
📦 Gzip(gzip)
content-security-policy
frame-ancestors https://dos.zone https://cdn.dos.zone http:/...
content-type
text/html
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

0

SPF
DKIM
DMARC

Domain Information

dos.zone

Domain Age
6y 5m

Created

01.12.2019

Expires

01.12.2026

Last Updated

01.12.2025

Registrar

Registrar of Domain Names REG.RU LLC

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Privacy policy page linked

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
D
57/100
Mobile Friendly1 breakpoint
Viewport Meta
The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
Responsive Design
Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
Touch Icons
Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
Readable Font Size
Base font size should be at least 16px on mobile to ensure text is readable without zooming.
Relative Units
Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
No H-Scroll Risk
No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
Tap Targets OK
Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
No Fixed Widths
No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
Viewport
width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

-apple-system

WCAG AA
69/100
Readability
/30
19/30

16px · LH 1.75

Hierarchy
/20
8/20
WCAG
/25
22/25

5.96:1 min contrast

Performance
/25
20/25

System fonts

Heading Font

-apple-system

Sans

Body Font

-apple-system

Sans16px

Contrast Ratio

5.96:1

WCAG AA (≥4.5:1)

Reading Comfort

~35 CPL

Narrow lines
24px
h2
16px
p

✅ Excellent readability: 16px body text is ideal for all devices.

✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 6.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

✅ System fonts: Zero font loading delay — best possible LCP impact.

Color Palette

6 unique colors
15.59:1 AAA Light
#f2f2f2
Background· 46.4%
#1c191a
Text· 9.4%
#5a4439
Primary· 10.8%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

5 Resources

3
Scripts
2
Styles
2
Async
0
Defer

Top Script Sources

mc.yandex.ru(1)local(1)br.cdn.dos.zone(1)

Website Identity

DOS Zone

dz.caiiiycuk@gmail.com
6 years old
Location detected: 🇦🇪 United Arab Emiratesvia ip
Registrar of Domain Names REG.RU LLCen

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Last analyzed: 09 May 2026 at 09:09

Historical Analysis & Change Tracking