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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farfetch.com

https://farfetch.com· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

farfetch.com

Mobile

Sponsored

Hosting Provider

Akamai International, BV

IP Address

23.9.135.190

Server Location

🇺🇸 Ashburn, United States

ASN

AS16625

Organization

Akamai International, BV

CDN

Akamai

WAF

Akamai

Nameservers

ns4.dnsmadeeasy.com.ns2.dnsmadeeasy.com.ns3.dnsmadeeasy.com.ns0.dnsmadeeasy.com.+1 more

Performance

Page Speed

2.7 MB

124 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Ghost

Technology Stack

9 Technologies Detected

Advertising

Google Ads Google AdSense Microsoft Advertising

Analytics

CSS Frameworks

Tag Managers

Payments

Customer Support

SEO Analysis

B72/100

farfetch.comfarfetch.com

FARFETCH Finland | The Global Destination for Modern Luxury

Farfetch Finland delivers a unique shopping experience. Discover the latest in designer fashion for men and women straight from boutiques around the world.

Title Length59 chars

Recommended: 50-60 chars

Description Length155 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (13/16)

3 issues found

Upgrade to view details

Sponsored

Security Score

85%Very Good

Critical / Transactional

HTTPS

WAF

194d

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/2

Valid From

06.10.2025

Valid Until

26.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (20)

www.farfetch.comadvertising.farfetch.comauth.farfetch.netauth.farfetch.net.cnauthbo.farfetch.netauthbo.farfetch.net.cncdn-ar.farfetch-contents.comcdn-images.farfetch-contents.com+12 more

SHA-256 Fingerprint

4B:D1:75:F3:E0:F6:E7:59:DA:0E:5D:BF:83:9E:DA:23:93:1B:C9:DD...

Upgrade to view header details

HTTP Headers

Developer Console

accept-ch

Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec...

cache-control

🔴 No Cache(max-age=0, no-cache, no-store)

content-encoding

📦 Gzip(gzip)

content-security-policy

frame-ancestors 'none'

content-type

text/html

date

Fri, 13 Feb 2026 16:04:40 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (8)

aspmx4.googlemail.com

aspmx3.googlemail.com

alt1.aspmx.l.google.com

aspmx2.googlemail.com

+4 more

Domain Information

farfetch.com

Domain Age

22y 8m

Created

29.05.2003

Expires

29.05.2027

Last Updated

10.03.2023

Registrar

Lexsynergy Limited

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Farfetch Basis

63/100

Readability

/30

32/40

30px · LH 1.27

Hierarchy

/20

8/25

0.73x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Farfetch Basis

Sans22px

Body Font

Farfetch Basis

Sans30px

Contrast Ratio

Reading Comfort

~45 CPL

Optimal (45–75)

22px

15px

22px

30px

Minor Second

Scale

✅ Excellent readability: 30px body text is ideal for all devices.

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ 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.

✅ Optimal line length: ~45 characters per line is comfortable to read.

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Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Microsoft AdsEnterprise

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

24 Resources

Scripts

Styles

Async

Defer

Top Script Sources

cdn-static.farfetch-contents.com(12)googletagmanager.com(4)bat.bing.com(3)0c0275c12bca.cdn4.forter.com(1)

Website Identity

farfetch.com

22 years old

Lexsynergy Limited📧 Google Workspace

Social Profiles

Facebook Instagram YouTube TikTok

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Last analyzed: 13 Feb 2026 at 16:05

Historical Analysis & Change Tracking