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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monde-diplomatique.fr

https://monde-diplomatique.fr· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

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Hosting Provider

Octopuce s.a.r.l.

IP Address

185.34.35.6

Server Location

🇫🇷 Paris, France

ASN

AS28855

Organization

Octopuce s.a.r.l.

Server

Nginx

CDN

Varnish

Nameservers

ns2.octopuce.net.ns1.Octopuce.fr.

Performance

Page Speed

3.7 MB

104 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Octopuce s.a.r.l.

CDN

Varnish

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

5 Technologies Detected

Libraries

Other

CSS Frameworks

Web Servers

Customer Support

SEO Analysis

D50/100

monde-diplomatique.frmonde-diplomatique.fr

Le Monde diplomatique

Le Monde diplomatique, mensuel critique d’informations et d’analyses

Title Length21 chars

Recommended: 50-60 chars

Description Length68 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (89/92)

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

3,638 URLs

robots.txt

14 rules

Sitemap reference found

Sponsored

Security Score

66%Fair

Interactive

HTTPS

No WAF

32d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

22.12.2025

Valid Until

22.03.2026

Subject Alternative Names (6)

cahier.mondediplo.comfr.mondediplo.commonde-diplomatique.frtelex.mondediplo.netwww.cahier.mondediplo.comwww.monde-diplomatique.fr

SHA-256 Fingerprint

1D:83:60:6E:1E:55:F7:4B:15:11:BF:F2:E0:96:09:19:52:BD:87:C4...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

composed-by

SPIP 4.4.7 @ www.spip.net + https://www.monde-diplomatique.f...

content-encoding

📦 Gzip(gzip)

content-length

20192

content-security-policy

frame-ancestors 'self'

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (7)

ALT2.ASPMX.L.GOOGLE.COM

ASPMX2.GOOGLEMAIL.COM

ASPMX.L.GOOGLE.COM

ASPMX4.GOOGLEMAIL.COM

+3 more

Domain Information

monde-diplomatique.fr

Domain Age

30y 3m

Created

01.11.1995

Expires

12.01.2027

Last Updated

09.12.2025

Registrar

GANDI

DNSSEC

Not Enabled

Typography & Readability

Walbaumgrot

41/100

Readability

/30

30/40

19px · LH --

Hierarchy

/20

8/25

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Walbaumgrot

Sans

Body Font

Walbaumgrot

Sans19px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

32px

29px

19px

✅ Excellent readability: 19px body text is ideal for all devices.

✅ 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.

⚠️ Risky: Text appears on background images without overlay protection.

⚠️ Cramped layout: 108 elements lack adequate spacing.

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Scripts & Styles

9 Resources

Scripts

Styles

Async

Defer

Top Script Sources

monde-diplomatique.fr(2)local(2)plugins(2)

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Last analyzed: 17 Feb 2026 at 18:35

Historical Analysis & Change Tracking