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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$oeko-tex.com favicon$

oeko-tex.com

https://oeko-tex.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

oeko-tex.com

Sponsored

Hosting Provider

TIMEWARP IT Consulting GmbH

IP Address

185.238.34.150

Server Location

🇦🇹 Vienna, Austria

ASN

AS207203

Server

Apache

Nameservers

ns2.inwx.de.ns3.inwx.eu.ns.inwx.de.

Performance

Page Speed

1.9 MB

31 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

TYPO3

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

6 Technologies Detected

Libraries

UI Components

CSS Frameworks

Analytics

Tag Managers

Web Servers

SEO Analysis

C61/100

oeko-tex.comoeko-tex.com

OEKO-TEX® - Tailor-made solutions for the textile and leather industry

OEKO-TEX® enables consumers and businesses to make responsible choices to protect our planet.

Title Length70 chars

Recommended: 50-60 chars

Description Length93 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (22/30)

4 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

robots.txt

7 rules

Sitemap reference found

Sponsored

Security Score

61%Fair

Interactive

HTTPS

No WAF

241d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

16.10.2025

Valid Until

16.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (20)

www.oeko-tex.comapplication-dev.oeko-tex.comapplication-test.oeko-tex.comapplication-uat.oeko-tex.comapplication.oeko-tex.comfiles.oeko-tex.comforms-dev.oeko-tex.comforms-test.oeko-tex.com+12 more

SHA-256 Fingerprint

AF:AB:4A:DB:36:51:31:A8:D2:92:D3:57:D3:44:9E:78:CB:A8:14:56...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟡 0s(max-age=0)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-language

en-US

content-length

32041

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

oekotex-com01b.mail.protection.outlook.com

Domain Information

oeko-tex.com

Domain Age

28y 9m

Created

08.05.1997

Expires

09.05.2026

Last Updated

29.01.2025

Registrar

INWX GmbH

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Typography & Readability

Outfit

71/100

Readability

/30

40/40

18px · LH 1.50

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Outfit

Sans

Body Font

Outfit

Sans18px

Contrast Ratio

Reading Comfort

~41 CPL

Needs attention

60px

18px

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Good performance: Using 1 font families keeps load times fast.

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

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

⚠️ Cramped layout: 13 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

CookiebotMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

8 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(4)googletagmanager.com(1)app.chatvusyon.ai(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube TikTok

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Last analyzed: 17 Feb 2026 at 22:30

Historical Analysis & Change Tracking