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.

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aif.ru

https://aif.ru· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

aif.ru

Mobile

Sponsored

Hosting Provider

Ddos-guard LTD

IP Address

95.129.232.166

Server Location

🇷🇺 Rostov-on-Don, Russia

ASN

AS57724

Organization

Ddos-guard LTD

Server

ddos-guard

Nameservers

ns2.aif.ru.ns3-l2.nic.ru.ns4-l2.nic.ru.ns1.aif.ru.

Performance

Page Speed

1.1 MB

190 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Ddos-guard LTD

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

5 Technologies Detected

Libraries

UI Components

CSS Frameworks

Advertising

Customer Support

SEO Analysis

D47/100

aif.ruaif.ru

Аргументы и Факты — последние новости России и мира сегодня

Аргументы и Факты — самые актуальные и последние новости России и мира сегодня. Будьте в курсе главных свежих событий дня и последнего часа, происшествий, об...

Description truncated.

Title Length59 chars

Recommended: 50-60 chars

Description Length211 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (107/121)

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

45 URLs

robots.txt

100 rules

Sitemap reference found

Sponsored

Security Score

41%Poor

Interactive

HTTPS

No WAF

382d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

30.01.2026

Valid Until

03.03.2027

OCSP Stapling

Enabled

Subject Alternative Names (5)

*.aif.ruautodiscover.aif.rumail.aif.ruowa.aif.ruaif.ru

SHA-256 Fingerprint

38:59:5D:6A:11:BF:A2:20:B8:74:EE:A4:3E:CF:67:4C:E6:59:A2:42...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-security-policy

upgrade-insecure-requests;

content-type

text/html; charset=UTF-8

date

Fri, 13 Feb 2026 14:25:04 GMT

server

ddos-guard

set-cookie

__ddg8_

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

edge.aif.ru

mail.aif.ru

Domain Information

aif.ru

Domain Age

29 years

Created

03.02.1997

Expires

28.02.2026

Registrar

RU-CENTER-RU

DNSSEC

Not Enabled

Typography & Readability

Montserrat

41/100

Readability

/30

20/40

10px · LH 1.40

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Montserrat

Sans

Body Font

Montserrat

Sans10px

Contrast Ratio

Reading Comfort

~201 CPL

Needs attention

24px

18px

10px

❌ Critical: 10px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.40 ratio ensures comfortable reading.

✅ 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.

❌ Very long lines: ~201 chars/line causes eye strain. Use max-width: 65ch.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

22 Resources

Scripts

Styles

Async

Defer

Top Script Sources

aif.ru(3)yastatic.net(2)yandex.ru(2)tag.digitaltarget.ru(2)cdn-c.skcrtxr.com(1)

Website Identity

Sponsored

Last analyzed: 13 Feb 2026 at 14:25

Historical Analysis & Change Tracking