stereo.ru

https://stereo.ru· First analyzed 14 May 2026· Updated 14 May 2026

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stereo.ru

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.67.153.166

Site Location

🇷🇺 Russiavia tld

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

kia.ns.cloudflare.com.henry.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

451 ms10%

Speed Index

586 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

710 KB

84 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

5 Technologies Detected

Analytics

CSS Frameworks

Fonts

CDN

SEO Analysis

C66/100

Meta Tags8/15

Content8/12

Headings0/8

Technical20/25

E-E-A-T2/7

Images4/7

Links5/5

URL5/5

Social3/5

Freshness4/4

Mobile4/4

Indexability3/3

stereo.rustereo.ru

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Title Length39 chars

Recommended: 50-60 chars (~235px / 580px)

Description Length69 chars

Recommended: 120-160 chars

Issues (1)

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

8 issues found

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Crawlability

Sitemap

robots.txt

2 rules

Allows all crawlers

Local SEO

Local Search Readiness

12/100

Poor

3 14

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

D53/100

Bot Access

20/25

Machine Read.

8/25

Schema Data

11/25

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

navheader/footer

Text ratio:8%

Words:1,205

Token eff.:Optimal

Depth:2/5

Structured Data

3 JSON-LD

NewsArticle×1.2Person×1.3Organization×1.1WebSite

sameAs entity links

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph2/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (7)

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.

72/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

12/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

15/15

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...

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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.

60/100

72 mg

CO₂e / view

710.1 KB

Page Weight

80%

Cleaner Than

New Visitor

82 mg

Returning (cached)

41 mg

Annual (10K/mo)

8.6 kg

Emission Segments

Data Center

4 mg

Network

21 mg

Device

47 mg

Resource Breakdown

JavaScript

334.1 KB

Images

309.2 KB

CSS

33.3 KB

Fonts

1.4 KB

HTML

19.5 KB

Other

12.7 KB

Green Hosting Verified

Cloudflare

GWF Verified

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

51%Poor

Interactive

HTTPS

WAF

71d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

26.04.2026

Valid Until

25.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

stereo.ru*.stereo.ru

SHA-256 Fingerprint

2A:2C:A7:5C:09:D4:98:21:3B:C4:B1:5F:4D:6F:99:43:87:FE:64:E6...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🟡 0s(max-age=0, private, must-revalidate)

cf-cache-status

DYNAMIC

cf-ray🇫🇷 Paris

9fb9a5a2bb23ebb2-CDG

content-encoding

zstd

content-type

text/html; charset=utf-8

date

Thu, 14 May 2026 11:43:46 GMT

Good Warning Issue

Email Infrastructure

Yandex Mail

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

mx.yandex.net

Domain Information

stereo.ru

Domain Age

28y 2m

Created

04.03.1998

Expires

31.03.2027

Registrar

RU-CENTER-RU

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

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.

63/100

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

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Source Sans Pro + Arial

WCAG Partial

69/100

Readability

/30

24/30

20px · LH 1.52

Hierarchy

/20

10/20

WCAG

/25

15/25

1.13:1 min contrast

Performance

/25

20/25

System fonts

Heading Font

Source Sans Pro

Body Font

Arial

Sans20px

Contrast Ratio

1.13:1

30 issues

Reading Comfort

Mixed Pairing

left aligned

✅ Excellent readability: 20px body text is ideal for all devices.

✅ Optimal line spacing: 1.52 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 41/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 30 elements below WCAG AA threshold (min 1.1:1).

⚠️ Fluid type without rem: clamp() detected but missing rem units. May fail WCAG 1.4.4 zoom test.

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

GGoogle FontsFluid TypeFlesch 41

Color Palette

6 unique colors

8.54:1 AAA Light

#ffffff

Background· 48.9%

#514b4b

Text· 12.1%

#1c1f25

Primary· 12.6%

#f1f0ee

Text· 9.1%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

12 Resources

Scripts

Styles

Async

Defer

Top Script Sources

top-fwz1.mail.ru(2)mc.yandex.ru(1)google-analytics.com(1)local(1)yandex.ru(1)

Website Identity

Stereo.ru

Organization

stereo.ru/

28 years old

Location detected: 🇷🇺 Russiavia tld

RU-CENTER-RU📧 Yandex Mailru

Social Profiles

YouTube Telegram

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Last analyzed: 14 May 2026 at 11:44

Historical Analysis & Change Tracking