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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eiu.com

https://eiu.com· First analyzed 14 Feb 2026· Updated 14 Feb 2026

Export

eiu.com

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.64.150.191

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

dns1.p02.nsone.net.dns2.p02.nsone.net.dns3.p02.nsone.net.dns4.p02.nsone.net.

Performance

Page Speed

1.7 MB

59 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.8.3

cms

eiuCustom

Technology Stack

15 Technologies Detected

Plugins

Easy Product Bundles For Woocommerce

Woocommerce Multi Currency

WooCommerce

Woocommerce Composite Products

Woo Discount Rules Pro

Eiu Google Tag Manager

Analytics

Libraries

CSS Frameworks

Tag Managers

CDN

SEO Analysis

A82/100

eiu.comeiu.com

Global Insights & Market Intelligence | Economist Intelligence Unit

EIU is the world leader in global business intelligence & market insights. View our solutions & read our insights today to make strategic & impactful decisions.

Title Length67 chars

Recommended: 50-60 chars

Description Length160 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

8,502 URLs

robots.txt

78 rules

Sitemap reference found

Sponsored

Security Score

26%Critical

Interactive

HTTPS

WAF

34d

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

20.12.2025

Valid Until

20.03.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

www.eiu.com

SHA-256 Fingerprint

47:B4:84:DA:E1:FD:A0:69:AC:44:F0:2D:E0:27:85:86:E6:D3:70:D5...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin

https://eiu.com/

alt-svc

h3=":443"; ma=86400

cache-control

🟡 0s(max-age=0, must-revalidate, private)

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9cd97960ead4dc74-FRA

content-encoding

⚡ Brotli(br)

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (5)

aspmx.l.google.com

alt3.aspmx.l.google.com

alt4.aspmx.l.google.com

alt1.aspmx.l.google.com

+1 more

Domain Information

eiu.com

Domain Age

30y 10m

Created

21.04.1995

Expires

22.04.2026

Last Updated

17.04.2025

Registrar

Nom-iq Ltd. dba COM LAUDE

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

GTZirkonMed + EconSansLig

81/100

Readability

/30

40/40

18px · LH 1.56

Hierarchy

/20

18/25

2.83x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

GTZirkonMed

Sans51px

Body Font

EconSansLig

Sans18px

Contrast Ratio

Reading Comfort

~32 CPL

Needs attention

51px

45px

29px

18px

✅ Excellent readability: 18px body text is ideal for all devices.

✅ Optimal line spacing: 1.56 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.8x larger than body text.

✅ Good performance: Using 2 font families keeps load times fast.

✅ 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

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

eiu.com(12)googletagmanager.com(3)d3s4ulwbm8ve8c.cloudfront.net(2)gstatic.com(1)google.com(1)

Website Identity

eiu.com

30 years old

Nom-iq Ltd. dba COM LAUDE📧 Google Workspace

Social Profiles

Facebook X (Twitter)LinkedIn YouTube

Sponsored

Last analyzed: 14 Feb 2026 at 03:28

Historical Analysis & Change Tracking