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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canyon.com

https://canyon.com· First analyzed 23 Apr 2026· Updated 23 Apr 2026

Export

canyon.com

Mobile

Sponsored

Hosting Provider

United Domains via NorthC Deutschland GmbH

IP Address

89.31.143.150

Site Location

🇩🇪 Germanyvia ip

Server Location

🇩🇪 Starnberg, Germany

ASN

AS202108

Organization

United Domains via NorthC Deutschland GmbH

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns.udag.de.ns.udag.net.ns.udag.org.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

478 ms10%

Speed Index

621 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

526 KB

66 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

United Domains via NorthC Deutschland GmbH

CDN

Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

9 Technologies Detected

Analytics

Tag Managers

Advertising

Reviews

CDN

SEO Analysis

D59/100

Meta Tags8/15

Content10/12

Headings1/8

Technical24/25

E-E-A-T2/7

Images0/7

Links2/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

canyon.comcanyon.com

CANYON FI

Discover the best bikes, at the best price direct to your door. Shop mountain, road, triathlon, gravity, urban, fitness, accessories and get expert support b...

Description truncated.

Title Length9 chars

Recommended: 50-60 chars (~56px / 580px)

Description Length170 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag — every page should have exactly one H1

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

117 URLs

117 sub-sitemaps

robots.txt

29 rules

Sitemap reference found

Local SEO

Local Search Readiness

19/100

Poor

5 13

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

F32/100

Bot Access

20/25

Machine Read.

4/25

Schema Data

3/25

Citation

5/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

nav

Text ratio:1%

Words:253

Token eff.:Too Short

Depth:1/5

Structured Data

1 JSON-LD

Organization×1.1

sameAs entity links

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (9)

AI readiness recommendation preview...

Upgrade to view recommendations

Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

78/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

11/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

15/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

13/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

4/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

1 recommendation

•Accessibility recommendation preview...

Upgrade to view recommendations

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

48/100

65 mg

CO₂e / view

525.7 KB

Page Weight

80%

Cleaner Than

New Visitor

74 mg

Returning (cached)

37 mg

Annual (10K/mo)

7.8 kg

Emission Segments

Data Center

15 mg

Network

16 mg

Device

35 mg

Resource Breakdown

JavaScript

237.7 KB

Images

1.2 KB

CSS

192.0 KB

Fonts

50.9 KB

HTML

14.2 KB

Other

29.8 KB

Green Hosting Not Verified

United Domains via NorthC Deutschland GmbH

5 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

59%Poor

Interactive

HTTPS

WAF

116d

Certificate Details

Type

Extended Validation (EV)

Certificate Authority

GoDaddy.com, Inc.

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2+H3

Valid From

22.07.2025

Valid Until

17.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.canyon.comcanyon.com

SHA-256 Fingerprint

34:8D:33:99:B7:D2:F8:1B:E5:64:BA:29:E9:87:0F:C9:EF:61:99:28...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cache-control

🔴 No Cache(no-cache, no-store, must-revalidate)

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9f0e2f82defc9bec-FRA

content-encoding

⚡ Brotli(br)

content-security-policy

frame-ancestors 'self'

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

canyon-com.mail.protection.outlook.com

Domain Information

canyon.com

Domain Age

27y 4m

Created

12.12.1998

Expires

11.12.2026

Last Updated

23.03.2026

Registrar

united-domains GmbH

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

70/100

Mobile Friendly1 breakpoint

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

Viewport

width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=5, user-scalable=yes

2 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

CanyonWeb

WCAG AAA

69/100

Readability

/30

18/30

16px · LH 1.25

Hierarchy

/20

8/20

WCAG

/25

23/25

14.21:1 min contrast

Performance

/25

20/25

1 font · 1 req

Heading Font

CanyonWeb

Body Font

CanyonWeb

Sans16px

Contrast Ratio

14.21:1

WCAG AAA (≥7:1)

Reading Comfort

Single Family

left aligned

16px

✅ Excellent readability: 16px body text is ideal for all devices.

⚠️ Tight line spacing (1.25). Increase to 1.4–1.6 for better readability.

❌ Very complex text: Flesch score 0/100. Consider shorter sentences and simpler words.

✅ WCAG AAA contrast: All text meets 7:1 ratio (min 14.2:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

⚠️ Fluid type without rem: clamp() detected but missing rem units. May fail WCAG 1.4.4 zoom test.

Buy on MyFontsVariable FontsFluid TypeFlesch 0

Color Palette

4 unique colors

2.86:1 Fail Light

#ffffff

Background· 93.7%

#989998

Other· 1.4%

#333333

Primary· 0%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

14 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(3)svr.canyon.com(2)googletagmanager.com(1)canyon.app.baqend.com(1)cdn.cquotient.com(1)

Website Identity

Canyon

Organization

www.canyon.com/

27 years old

Location detected: 🇩🇪 Germanyvia ip

united-domains GmbH📧 Microsoft 365en-fi

Sponsored

Last analyzed: 23 Apr 2026 at 16:18

Historical Analysis & Change Tracking