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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m.me

https://m.me· First analyzed 10 Feb 2026· Updated 10 Feb 2026

Export

m.me

Mobile

Sponsored

Hosting Provider

Facebook, Inc.

IP Address

157.240.205.1

Server Location

🇫🇮 Helsinki, Finland

ASN

AS32934

Organization

Facebook, Inc.

Nameservers

a.ns.facebook.com.c.ns.facebook.com.d.ns.facebook.com.b.ns.facebook.com.

Performance

Page Speed

343 KB

16 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Facebook, Inc.

Technology Stack

5 Technologies Detected

CSS Frameworks

Analytics

Advertising

Security

CDN

SEO Analysis

D56/100

m.mem.me

Messenger

Hang out wherever, whenever! Messenger makes it easy and fun to stay close to your favourite people

Title Length9 chars

Recommended: 50-60 chars

Description Length99 chars

Recommended: 120-160 chars

Issues (1)

• Missing viewport meta tag - page may not be mobile-friendly

6 issues found

Upgrade to view details

Sponsored

Security Score

55%Poor

Critical / Transactional

HTTPS

No WAF

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cache-control

🔴 No Cache(private, no-cache, no-store, must-revalidate)

content-encoding

zstd

content-security-policy

frame-ancestors 'self';, default-src blob: https://*.fbcdn.n...

content-type

text/html; charset="utf-8"

cross-origin-embedder-policy-report-only

require-corp;report-to="coep_report"

Good Warning Issue

Typography & Readability

Times New Roman + Arial

70/100

Readability

/30

10/40

13px · LH --

Hierarchy

/20

25/25

2.4x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Times New Roman

Serif32px

Body Font

Arial

Sans13px

Contrast Ratio

Reading Comfort

~39 CPL

Needs attention

32px

13px

❌ Critical: 13px body text is too small. Increase to at least 14px.

✅ Strong hierarchy: Headlines are 2.4x larger than body text.

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

✅ 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

4 Resources

Scripts

Styles

Async

Defer

Top Script Sources

static.xx.fbcdn.net(1)

Sponsored

Last analyzed: 10 Feb 2026 at 23:45

Historical Analysis & Change Tracking