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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moneysupermarket.com

https://moneysupermarket.com· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.16.126.68

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

brett.ns.cloudflare.com.kristin.ns.cloudflare.com.

Performance

Page Speed

716 KB

87 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

JAMstack

⚙️ SSR

Decoupled

Frontend

Framework

Astro

API

Data Source

Headless CMS

Contentful

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Detected API Sources

https://images.ctfassets.net/q...

Technology Stack

8 Technologies Detected

Analytics

Frameworks

Meta Frameworks

CSS Frameworks

Tag Managers

CDN

Customer Support

SEO Analysis

A82/100

moneysupermarket.commoneysupermarket.com

MoneySuperMarket | Always more ways to save

Compare and save on over 40 products including car insurance, home insurance, credit cards, loans and energy. Clever ways to save a lot, by doing very little.

Title Length43 chars

Recommended: 50-60 chars

Description Length158 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

2 issues found

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Crawlability

Sitemap

robots.txt

6 rules

Allows all crawlers

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Security Score

51%Poor

Interactive

HTTPS

WAF

34d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

25.12.2025

Valid Until

25.03.2026

Subject Alternative Names (3)

moneysupermarket.compartners.moneysupermarket.comwww.moneysupermarket.com

SHA-256 Fingerprint

6D:70:BB:AD:2E:D5:32:B6:87:CA:38:C6:94:B1:9B:02:2B:29:33:C7...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

date

Thu, 19 Feb 2026 12:59:34 GMT

content-type

text/html

content-encoding

⚡ Brotli(br)

cf-ray🇩🇪 Frankfurt

9d05f130ea3dd2ef-FRA

cf-cache-status

HIT

age

295

Good Warning Issue

Email Infrastructure

Mimecast

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

eu-smtp-inbound-1.mimecast.com

eu-smtp-inbound-2.mimecast.com

Domain Information

moneysupermarket.com

Domain Age

26y 3m

Created

11.11.1999

Expires

11.11.2026

Last Updated

07.11.2025

Registrar

CSC Corporate Domains, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Typography & Readability

Helvetica Neue

71/100

Readability

/30

40/40

16px · LH 1.40

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Helvetica Neue

Sans

Body Font

Helvetica Neue

Sans16px

Contrast Ratio

Reading Comfort

~79 CPL

Optimal (45–75)

49px

25px

20px

16px

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

✅ Optimal line spacing: 1.40 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.

✅ Protected text on images: Using gradient for readability.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(10)tags.moneysupermarket.com(2)static.moneysupermarket.com(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube

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Last analyzed: 19 Feb 2026 at 13:00

Historical Analysis & Change Tracking