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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fumo-spo.ru

https://fumo-spo.ru· First analyzed 18 Feb 2026· Updated 18 Feb 2026

Export

fumo-spo.ru

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.21.16.197

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

colin.ns.cloudflare.com.nicole.ns.cloudflare.com.

Performance

Page Speed

504 KB

31 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

igrovyeavtomatyonlayn.comv1.0

Technology Stack

7 Technologies Detected

Plugins

Ttgambling Geo Apk Custom Table Of Content

Libraries

CSS Frameworks

CDN

SEO Analysis

B74/100

fumo-spo.rufumo-spo.ru

Вулкан казино - играть на деньги на официальном сайте Вулкан

Вулкан казино - легендарное казино России. Регистрация и вход для игры на реальные деньги. Актуальное зеркало Вулкан 2026! Бонус 125%

Title Length60 chars

Recommended: 50-60 chars

Description Length133 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

27 rules

Sitemap reference found

Sponsored

Security Score

36%Critical

Interactive

HTTPS

WAF

77d

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+H3

Valid From

06.02.2026

Valid Until

07.05.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

fumo-spo.ru*.fumo-spo.ru

SHA-256 Fingerprint

B1:18:3A:11:90:C7:86:6D:60:67:B1:CB:09:E2:0D:5A:7F:E9:31:66...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9cfbf8a4298636dd-FRA

content-encoding

zstd

content-type

text/html; charset=UTF-8

date

Wed, 18 Feb 2026 07:57:01 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

fumo-spo.ru

Domain Age

1y 2m

Created

12.12.2024

Expires

12.12.2026

Registrar

SALENAMES-RU

DNSSEC

Not Enabled

Typography & Readability

Arial

80/100

Readability

/30

40/40

25px · LH 1.40

Hierarchy

/20

15/25

0.91x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Arial

Sans22px

Body Font

Arial

Sans25px

Contrast Ratio

Reading Comfort

~46 CPL

Optimal (45–75)

22px

25px

✅ Excellent readability: 24px body text is ideal for all devices.

✅ Optimal line spacing: 1.40 ratio ensures comfortable reading.

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

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

✅ Protected text on images: Using gradient for readability.

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

8 Resources

Scripts

Styles

Async

Defer

Top Script Sources

fumo-spo.ru(5)

Website Identity

fumo-spo.ru

1 year old

SALENAMES-RU

Sponsored

Last analyzed: 18 Feb 2026 at 07:57

Historical Analysis & Change Tracking