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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migros.ch

https://migros.ch· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

migros.ch

Sponsored

Hosting Provider

Migros-Genossenschafts-Bund

IP Address

146.67.160.233

Server Location

🇨🇭 Alterswil, Switzerland

ASN

AS8803

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

migze100.migros.ch.migze104.migros.ch.ns3.migros.ch.

Performance

Page Speed

2 MB

148 requests

Image Optimization

Lazy LoadResponsiveCloudinary

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

Frontend

Framework

Angular

API

Data Source

Headless CMS

Contentful

Infrastructure

Hosting

Migros-Genossenschafts-Bund

CDN

Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Detected API Sources

https://images.ctfassets.net/4...

Technology Stack

9 Technologies Detected

Icon Libraries

Font Awesome Material Icons

Analytics

Frameworks

Meta Frameworks

CSS Frameworks

Tag Managers

CDN

SEO Analysis

A80/100

migros.chmigros.ch

Migros supermarket – Order online and get it delivered to your home...

Order fresh and frozen food and everything for your household online. 12,500 Migros products and brand products at Migros prices.

Title truncated.

Title Length76 chars

Recommended: 50-60 chars

Description Length129 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

21 rules

Allows all crawlers

Sponsored

Security Score

86%Very Good

Interactive

HTTPS

WAF

52d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

13.01.2026

Valid Until

13.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.migros.ch*.www.migros.ch

SHA-256 Fingerprint

B0:95:D5:1E:AE:BF:11:C5:C7:68:B0:29:B4:46:B2:0A:D7:EE:CA:6A...

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cache-control

🔴 No Cache(no-cache)

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9d085fd6b996d2d3-FRA

content-encoding

⚡ Brotli(br)

content-security-policy

child-src 'self' *.migros.ch https://www.googletagmanager.co...

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

migros-ch.mail.protection.outlook.com

Domain Information

migros.ch

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Typography & Readability

HelveticaNowVariableRoman

88/100

Readability

/30

40/40

16px · LH 1.50

Hierarchy

/20

25/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

HelveticaNowVariableRoman

Sans32px

Body Font

HelveticaNowVariableRoman

Sans16px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

32px

24px

18px

16px

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.0x larger than 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.

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

Buy on MyFontsVariable Fonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

15 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(4)cdn.cookielaw.org(1)geolocation.onetrust.com(1)cdn.fonts.net(1)googletagmanager.com(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube TikTok Pinterest

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Last analyzed: 19 Feb 2026 at 20:04

Historical Analysis & Change Tracking