What does StackOptic analyze?

StackOptic runs 18 analysis modules on any public website from a single URL. It detects 7,000+ technologies (CMS, frameworks, analytics, payments, CDN, hosting), evaluates SSL certificates and HTTP security headers with grades from A+ to F, measures Core Web Vitals (LCP, CLS, TBT, FCP), audits SEO meta tags and structured data, checks email security (SPF, DKIM, DMARC), analyzes AI & LLM readiness including bot access and llms.txt validation, extracts color palettes and typography, estimates carbon footprint, and generates permanent shareable reports.

Does it work on sites behind Cloudflare or bot protection?

Yes. StackOptic uses a real browser engine that loads pages exactly like a human visitor — executing JavaScript, rendering CSS, and handling redirects. This allows it to bypass Cloudflare, LiteSpeed, Sucuri, and other bot protection systems where traditional crawlers and HTTP-only tools fail.

What do I get on the free plan?

The free plan includes 5 analyses per day with access to all 18 modules, full scores, technology detection, and security grades. Every report is permanently accessible via a unique shareable URL — no login required to view. No credit card needed. AI-powered insights, re-analysis, PDF/JSON export, and comparison features are available on Pro ($24/mo) and Agency ($99/mo) plans.

What is AI & LLM readiness analysis?

This module evaluates how visible and citable your website is to AI search engines like ChatGPT, Perplexity, Google AI Overviews, and Claude. It audits access permissions for 8 major AI bots, validates llms.txt and llms-full.txt files, scores citation-ready content structure, and analyzes structured data (JSON-LD) for GEO readiness — helping you rank in the next generation of search.

How long does an analysis take?

Most analyses complete in under 10 seconds. StackOptic runs all 18 modules in parallel using a real browser session, so you get technology detection, security audit, performance metrics, SEO analysis, and AI readiness scoring simultaneously.

How accurate are the results?

Detection is based on real browser execution — DOM inspection, JavaScript runtime analysis, HTTP headers, and DNS records. With 7,000+ technology signatures and Lighthouse-calibrated performance scoring, StackOptic achieves high accuracy for mainstream technologies.

What security checks are performed?

The security module evaluates SSL/TLS certificates, 12+ HTTP security headers (HSTS, CSP, X-Frame-Options, Permissions-Policy, Referrer-Policy), HTTPS enforcement, and email authentication (SPF, DKIM, DMARC). Each site receives a letter grade from A+ to F with specific remediation steps.

Do you store the websites I analyze?

StackOptic only stores publicly available information that any visitor to a website would see — HTML content, HTTP headers, DNS records, and screenshots. We do not access private data, log in to websites, or perform any intrusive testing.

Back to Search

yandex.net

https://yandex.net· First analyzed 15 Feb 2026· Updated 15 Feb 2026

Export

yandex.net

Mobile

Sponsored

Hosting Provider

Yandex LLC

IP Address

213.180.204.242

Server Location

🇷🇺 Moscow, Russia

ASN

AS13238

Organization

Yandex LLC

Nameservers

ns1.yandex.net.ns2.yandex.net.

Performance

Page Speed

7 KB

15 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Yandex LLC

Progressive Web App

Web ManifestApple Touch Icon

Technology Stack

3 Technologies Detected

Other

D3.js

CSS Frameworks

Tailwind CSS

Customer Support

Zendesk

SEO Analysis

D52/100

yandex.netyandex.net

Яндекс — быстрый поиск в интернете

Яндекс, найдётся всё: сайты, изображения, музыка, товары. Решайте любые задачи — от повседневных вопросов до научной работы. Можно искать текстом, голосом ил...

Description truncated.

Title Length34 chars

Recommended: 50-60 chars

Description Length171 chars

Recommended: 120-160 chars

Issues (2)

• Many images missing alt text (1/1)
• Missing viewport meta tag - page may not be mobile-friendly

5 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

1081 rules

Sitemap reference found

Sponsored

Security Score

76%Good

Interactive

HTTPS

No WAF

172d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

06.02.2026

Valid Until

06.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (20)

*.yandex.trxn--d1acpjx3f.xn--p1ai*.xn--d1acpjx3f.xn--p1aiyandex.aero*.yandex.aeroyandex.jobs*.yandex.jobsyandex.net+12 more

SHA-256 Fingerprint

00:4B:73:AB:C7:08:25:68:A0:71:82:92:46:23:A2:69:73:FB:7F:4A...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ch

Sec-CH-UA-Platform-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Mode...

cache-control

🔴 No Cache(no-cache,no-store,max-age=0,must-revalidate)

content-encoding

⚡ Brotli(br)

content-security-policy

media-src yastatic.net;connect-src *.strm.yandex.net mc.yand...

content-type

text/html; charset=UTF-8

date

Sun, 15 Feb 2026 08:29:52 GMT

Good Warning Issue

Email Infrastructure

Yandex Mail

Score

SPF

DKIM

DMARC

MX Records (1)

mx.yandex.ru

Domain Information

yandex.net

Domain Age

25y 3m

Created

14.11.2000

Expires

14.11.2027

Last Updated

01.12.2025

Registrar

SafeNames Ltd.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

Typography & Readability

-apple-system

68/100

Readability

/30

22/40

16px · LH --

Hierarchy

/20

18/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

-apple-system

Sans31px

Body Font

-apple-system

Sans16px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

31px

25px

⚠️ Small text: 16px may be hard to read on mobile. Consider 16px+.

✅ Strong hierarchy: Headlines are 2.0x larger than body text.

✅ Good performance: Using 1 font families keeps load times fast.

✅ Consistent design: Single font family with weight variations is a modern best practice.

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

✅ Clean layout: Consistent left alignment throughout.

Buy on MyFonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

6 Resources

Scripts

Styles

Async

Defer

Top Script Sources

yastatic.net(6)

Sponsored

Last analyzed: 15 Feb 2026 at 08:30

Historical Analysis & Change Tracking