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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bmwi.de

https://bmwi.de· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

bmwi.de

Sponsored

Hosting Provider

Polidia GmbH

IP Address

185.49.16.154

Server Location

🇩🇪 Berlin, Germany

ASN

AS25516

Organization

Polidia GmbH

Server

Varnish

Nameservers

a.managed-ns.com.b.managed-ns.de.

Performance

Page Speed

1.9 MB

34 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Polidia GmbH

Technology Stack

5 Technologies Detected

Libraries

UI Components

CSS Frameworks

Analytics

Caching

SEO Analysis

A+96/100

bmwi.debmwi.de

Bundesministerium für Wirtschaft und Energie | BMWE

Klimaschutz und Wohlstand durch sozial-ökologische Marktwirtschaft. Aktuelles aus dem Bundesministerium für Wirtschaft und Energie

Title Length52 chars

Recommended: 50-60 chars

Description Length137 chars

Recommended: 120-160 chars

Sponsored

Security Score

66%Fair

Interactive

HTTPS

No WAF

99d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

27.05.2025

Valid Until

26.05.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

bundeswirtschaftsministerium.dewww.bundeswirtschaftsministerium.de

SHA-256 Fingerprint

A1:6B:D0:1C:B8:6E:0F:49:78:9D:CE:E9:5F:13:77:45:58:1C:53:97...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

connection

Keep-Alive

date

Mon, 16 Feb 2026 09:47:05 GMT

keep-alive

timeout=15, max=100

server

Varnish

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (3)

smtp-relay.corpex-net.de

smtp-fallback.corpex-net.de

iris.corpex-net.de

Domain Information

bmwi.de

Last Updated

21.07.2025

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Typography & Readability

BundesSansWeb

81/100

Readability

/30

40/40

16px · LH 1.40

Hierarchy

/20

18/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

BundesSansWeb

Sans32px

Body Font

BundesSansWeb

Sans16px

Contrast Ratio

Reading Comfort

~36 CPL

Needs attention

32px

24px

19px

16px

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.40 ratio ensures comfortable reading.

✅ 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.

⚠️ Cramped layout: 23 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

Matomo (Piwik)Mid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

8 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(2)code.etracker.com(2)etracker.de(1)dashboard.stage.bio(1)

Website Identity

X (Twitter)Instagram LinkedIn YouTube TikTok

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Last analyzed: 16 Feb 2026 at 09:48

Historical Analysis & Change Tracking