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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ratgeberrecht.eu

https://ratgeberrecht.eu· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

ratgeberrecht.eu

Sponsored

Hosting Provider

Hetzner

hetzner.com

IP Address

138.201.169.214

Server Location

🇩🇪 Falkenstein, Germany

ASN

AS24940

Organization

Timme Hosting GmbH & Co.

Server

Nginx

Nameservers

dns02.ns15.net.dns01.ns15.net.dns03.ns15.net.dns04.ns15.net.

Performance

Page Speed

755 KB

30 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Joomla!

Technology Stack

6 Technologies Detected

CSS Frameworks

Libraries

Icon Libraries

Analytics

Web Servers

SEO Analysis

B70/100

ratgeberrecht.euratgeberrecht.eu

Anwaltskanzlei Weiß & Partner®, Esslingen, Markenrecht, Urheberrech...

Anwaltskanzlei Weiß & Partner® - Ihre spezialisierten Anwälte in Sachen Wettbewerbsrecht, Markenrecht, Urheberrecht, Medienrecht, Datenschutzrecht und Äußeru...

Title truncated. Description truncated.

Title Length86 chars

Recommended: 50-60 chars

Description Length207 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (23/23)

3 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

18 rules

Sitemap reference found

Sponsored

Security Score

49%Poor

Interactive

HTTPS

No WAF

75d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

03.02.2026

Valid Until

04.05.2026

Subject Alternative Names (2)

ratgeberrecht.euwww.ratgeberrecht.eu

SHA-256 Fingerprint

1C:8F:1E:0B:7D:45:8A:23:8F:A2:91:51:A9:15:42:39:31:6A:B3:62...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, post-check=0, pre-check...)

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=utf-8

cross-origin-opener-policy

same-origin

date

Tue, 17 Feb 2026 12:08:50 GMT

expires

Wed, 17 Aug 2005 00:00:00 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

mxpool.de2.hostedoffice.ag

Domain Information

ratgeberrecht.eu

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Open Sans

74/100

Readability

/30

40/40

18px · LH 1.50

Hierarchy

/20

13/25

1.89x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Open Sans

Sans34px

Body Font

Open Sans

Sans18px

Contrast Ratio

Reading Comfort

~36 CPL

Needs attention

34px

20px

18px

✅ Excellent readability: 18px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Good hierarchy: Clear distinction between headlines and 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.

✅ Protected text on images: Using gradient for readability.

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

16 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(12)ratgeberrecht.eu(1)

Sponsored

Last analyzed: 17 Feb 2026 at 12:08

Historical Analysis & Change Tracking