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kursoff.net

https://kursoff.net· First analyzed 02 Jun 2026· Updated 02 Jun 2026
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kursoff.net
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Hosting Provider

Ddos-guard LTD

IP Address

185.178.208.160

Site Location

🇷🇺 Russiavia ip

Server Location

🇷🇺 Rostov-on-Don, Russia

ASN

AS57724

Organization

Ddos-guard LTD

Server

ddos-guard

CDN

Ddos-Guard

WAF

Ddos-Guard

Nameservers

ns1.ddos-guard.net.ns2.ddos-guard.net.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
617 ms10%
Speed Index
802 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.4 MB
71 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
OpenCart

Progressive Web App

Web ManifestTheme Color

Technology Stack

6 Technologies Detected

CSS Frameworks

2
Tailwind CSS
Normalize.css

Analytics

2
Google Analytics
Google Analytics 4

Libraries

1
jQueryv3.5.1

Icon Libraries

1
Font Awesome

SEO Analysis

C69/100
21
7
1
Meta Tags7/15
Content11/12
Headings8/8
Technical20/25
E-E-A-T0/7
Images6/7
Links3/5
URL5/5
Social3/5
Freshness2/4
Mobile1/4
Indexability3/3
K
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Title truncated. Description truncated.
Title Length81 chars

Recommended: 50-60 chars (~497px / 580px)

Description Length270 chars

Recommended: 120-160 chars

Issues (1)

  • • Title is too long (81 chars, ~497px). Will be truncated in search results.

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

13 URLs

13 sub-sitemaps

robots.txt

28 rules

Sitemap reference found

Local SEO

Local Search Readiness

6/100
Poor
2 13 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

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AI & LLM Readiness

F39/100
Bot Access
20/25
Machine Read.
5/25
Schema Data
3/25
Citation
11/25

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
def. listsnav
Text ratio:9%
Words:3,334
Token eff.:Poor Structure
Sections/1K:0.3
Depth:2/5

Structured Data

1 JSON-LD
WebSiteSearchAction

Citation Readiness

Opening Summary
Descriptive Headingsavg 2w
Canonical URL
Open Graph2/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (11)
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.
B
73/100
12
Passed
2
Critical
2
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
20/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
5/15
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
4/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
3 recommendations
  • •Accessibility recommendation preview...
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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.
42/100
C
180 mg
CO₂e / view
1.4 MB
Page Weight
60%
Cleaner Than
New Visitor
206 mg
vs
Returning (cached)
103 mg
Annual (10K/mo)
21.6 kg
Emission Segments
Data Center
40 mg
Network
43 mg
Device
97 mg
Resource Breakdown
JavaScript
220.5 KB
Images
356.7 KB
CSS
325.9 KB
Fonts
384.7 KB
HTML
52.2 KB
Other
114.5 KB
Green Hosting Not Verified
Ddos-guard LTD
5 recommendations
  • •Carbon footprint recommendation preview...
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C

Security Score

61%Fair
Interactive

HTTPS

No WAF

12d

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

16.03.2026

Valid Until

14.06.2026

Subject Alternative Names (1)

kursoff.net

SHA-256 Fingerprint

87:32:CE:80:1B:0C:B5:83:9C:AC:4D:B1:C4:79:20:3A:58:C4:9E:91...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🔴 No Cache(no-store, no-cache, must-revalidate, max-age=0, private, no-...)
content-encoding
📦 Gzip(gzip)
content-length
53201
content-security-policy
upgrade-insecure-requests;
content-type
text/html; charset=utf-8
date
Tue, 02 Jun 2026 15:55:16 GMT
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

0

SPF
DKIM
DMARC

Domain Information

kursoff.net

Domain Age
2y 3m

Created

04.02.2024

Expires

04.02.2027

Last Updated

18.01.2026

Registrar

Regtime Ltd.

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.
B
72/100
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, viewport-fit=cover
1 recommendation
  • •Mobile compatibility recommendation preview...
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Typography & Readability

Segoe UI

WCAG Partial
70/100
Readability
/30
19/30

13px · LH 1.40

Hierarchy
/20
14/20

1.69x ratio · ✓ H1→H6

WCAG
/25
16/25

1.03:1 min contrast

Performance
/25
21/25

System fonts

Heading Font

Segoe UI

Sans22px

Body Font

Segoe UI

Sans13px

Contrast Ratio

1.03:1

10 issues

Reading Comfort

~45 CPL

Optimal (45–75)
22px
h1
20px
h2
13px
p

❌ Critical: 13px body text is too small. Minimum 14px, recommend 16px+.

✅ Optimal line spacing: 1.40 ratio (ideal range 1.4–1.6).

✅ Optimal line length: ~45 chars/line (ideal 45–75 CPL).

⚠️ Hard to read: Flesch score 46/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 10 elements below WCAG AA threshold (min 1.0:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

Flesch 46

Color Palette

7 unique colors
Light
#f5f5f5
Background· 38.4%
#c2dfe3
Secondary· 25.4%
#242424
Primary· 0%
#522f31
Secondary· 11.6%
#e1e7e2
Secondary· 8.4%
#baa895
Secondary· 7.5%
#f9ee8b
Accent· 4.6%
#d4ddc7
Secondary· 4%

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

12 Resources

9
Scripts
3
Styles
2
Async
0
Defer

Top Script Sources

local(6)cdn.jsdelivr.net(1)googletagmanager.com(1)ajax.microsoft.com(1)

Website Identity

kursoff.net

2 years old
Location detected: 🇷🇺 Russiavia ip
Regtime Ltd.ru-RU

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Last analyzed: 02 Jun 2026 at 15:55

Historical Analysis & Change Tracking