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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audi.com

https://audi.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

audi.com

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

52.223.9.235

Server Location

🇨🇦 Montreal, Canada

ASN

AS16509

Organization

AWS Global Accelerator (GLOBAL)

CDN

CloudFront

Nameservers

ns2.audi.de.ns5.xc-ns.de.

Performance

Page Speed

6 KB

44 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Adobe Experience Manager

Technology Stack

3 Technologies Detected

CSS Frameworks

Bootstrap

Tailwind CSS

Analytics

Google Analytics 4

SEO Analysis

B70/100

audi.comaudi.com

Audi.com – the international Audi website

On this corporate website, Audi offers facts for investors, inspiration for job seekers, and truly exciting insights. Find out about innovative mobility, sus...

Description truncated.

Title Length41 chars

Recommended: 50-60 chars

Description Length232 chars

Recommended: 120-160 chars

Issues (0)

4 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

2 URLs

robots.txt

3 rules

Sitemap reference found

Sponsored

A+

Security Score

90%Excellent

Static / Informational

HTTPS

WAF

84d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

12.02.2026

Valid Until

13.05.2026

Subject Alternative Names (14)

entry.audi.comforward.audi.commicrosites.audi.comprofile.my.audi.comsearch-service.audi.comtms.audi.comwww.a2d2.audiwww.audi-planung.de+6 more

SHA-256 Fingerprint

7A:B9:4C:7A:87:80:01:76:B6:20:F5:06:0D:AF:05:97:CD:9F:A0:BF...

Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

akamai-grn

0.baf01502.1771325219.268f169a

cache-control

🟡 3 Hours(public, max-age=10800, s-maxage=300, stale-while-revalidate=...)

content-encoding

📦 Gzip(gzip)

content-length

63182

content-security-policy

frame-ancestors 'self' https://mtt.avp.tech;

content-security-policy-report-only

default-src 'self' https:; script-src 'self' https: 'unsafe-...

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mx0a.audi.com

mx0b.audi.com

Domain Information

audi.com

Domain Age

31 years

Created

07.02.1995

Expires

08.02.2027

Last Updated

09.02.2026

Registrar

1API GmbH

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Data Protection Officer mentioned

Typography & Readability

AudiType + sans-serif

79/100

Readability

/30

40/40

20px · LH 1.60

Hierarchy

/20

18/25

2.2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

AudiType

Sans44px

Body Font

sans-serif

Sans20px

Contrast Ratio

Reading Comfort

~37 CPL

Needs attention

44px

36px

24px

20px

✅ Excellent readability: 20px body text is ideal for all devices.

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.2x larger than body text.

✅ Good performance: Using 2 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.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Customer Support

LiveChatMid-Market

Live chat and helpdesk tools

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

15 Resources

Scripts

Styles

Async

Defer

Top Script Sources

tms.audi.com(2)fa-notifications.cdn.prod.arcade.apps.one.audi(1)fa-quick-access-links.cdn.prod.arcade.apps.one.audi(1)fa-nemo-header.cdn.prod.arcade.apps.one.audi(1)fa-nemo-footer.cdn.prod.arcade.apps.one.audi(1)

Website Identity

audi.com

31 years old

1API GmbH

Social Profiles

Facebook Instagram LinkedIn

Sponsored

Last analyzed: 17 Feb 2026 at 10:47

Historical Analysis & Change Tracking