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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auswaertiges-amt.de

https://auswaertiges-amt.de· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

auswaertiges-amt.de

Mobile

Sponsored

Hosting Provider

Babiel GmbH

IP Address

46.243.125.53

Server Location

🇩🇪 Düsseldorf, Germany

ASN

AS198913

Organization

Babiel GmbH

Nameservers

a.babieldns.de.c.babieldns.de.d.babieldns.de.b.babieldns.de.

Performance

Page Speed

2.2 MB

36 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Babiel GmbH

Technology Stack

4 Technologies Detected

Analytics

Facebook Pixel Matomo

CSS Frameworks

Tailwind CSS

Fonts

Google Fonts

SEO Analysis

A85/100

auswaertiges-amt.deauswaertiges-amt.de

Auswärtiges Amt - Auswärtiges Amt

Infos zur deutschen Außenpolitik aus erster Hand und zu einer Karriere im Auswärtigen Dienst. Außerdem die Reise- und Sicherheitshinweise un...

Description truncated.

Title Length33 chars

Recommended: 50-60 chars

Description Length188 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

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Crawlability

Sitemap

Type: index

robots.txt

8 rules

Sitemap reference found

Sponsored

Security Score

76%Good

Interactive

HTTPS

No WAF

274d

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/2

Valid From

13.10.2025

Valid Until

14.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (4)

www.auswaertiges-amt.degermany.infowww.germany.infoauswaertiges-amt.de

SHA-256 Fingerprint

40:10:2C:C3:36:11:BC:CE:1E:D9:88:DE:04:64:D5:7A:E8:72:EC:AF...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

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HTTP Headers

Developer Console

accept-ranges

bytes

age

cache-control

🟡 60s(max-age=60)

content-encoding

📦 Gzip(gzip)

content-language

content-length

23743

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mx1.bund.de

mx2.bund.de

Domain Information

auswaertiges-amt.de

Last Updated

22.07.2024

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

BundesSansWeb + a

36/100

Readability

/30

10/40

Hierarchy

/20

11/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

BundesSansWeb

Sans16px

Body Font

Sans

Contrast Ratio

Reading Comfort

~83 CPL

Needs attention

16px

17px

16px

Minor Second

Scale

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

⚠️ Wide lines: ~83 chars/line. Consider max-width for better reading flow.

⚠️ Cramped layout: 134 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Matomo (Piwik)Mid-Market

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

12 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(3)piwik.auswaertiges-amt.de(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube TikTok Bluesky

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Last analyzed: 13 Feb 2026 at 02:13

Historical Analysis & Change Tracking