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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midilibre.fr

https://midilibre.fr· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

midilibre.fr

Sponsored

Hosting Provider

SDV

IP Address

212.95.74.60

Server Location

🇫🇷 Strasbourg, France

ASN

AS8839

Server

Nginx

CDN

Varnish

Nameservers

ns-151-b.gandi.net.ns-249-a.gandi.net.ns-154-c.gandi.net.

Performance

Page Speed

9 KB

54 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

SDV

CDN

Varnish

Progressive Web App

Web ManifestApple Touch IconTheme Color

Detected API Sources

https://images.midilibre.fr/ap...

Technology Stack

7 Technologies Detected

CSS Frameworks

Meta Frameworks

Libraries

Analytics

Tag Managers

Web Servers

SEO Analysis

C64/100

midilibre.frmidilibre.fr

Actualités et infos de Montpellier et sa région - À la une - midili...

Toute l’actualité de Montpellier et sa région en direct, photos et vidéos avec Midi Libre. Retrouvez toutes les informations locales : faits divers, politiqu...

Title truncated. Description truncated.

Title Length73 chars

Recommended: 50-60 chars

Description Length180 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

182 URLs

robots.txt

486 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

66%Fair

Interactive

HTTPS

No WAF

137d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Gandi SAS

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

03.06.2025

Valid Until

04.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.midilibre.frmidilibre.fr

SHA-256 Fingerprint

91:A5:25:3C:AD:3B:21:21:1B:A9:8B:C3:EE:35:FE:83:0E:33:F1:E9...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

cache-control

🔴 No Cache(no-cache, private)

content-encoding

📦 Gzip(gzip)

content-length

65201

content-security-policy

frame-ancestors 'self' *.kameleoon.com

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

MX Records (5)

ALT4.ASPMX.L.GOOGLE.COM

ALT3.ASPMX.L.GOOGLE.COM

ALT2.ASPMX.L.GOOGLE.COM

ALT1.ASPMX.L.GOOGLE.COM

+1 more

Domain Information

midilibre.fr

Domain Age

29y 9m

Created

20.05.1996

Expires

14.11.2026

Last Updated

19.10.2025

Registrar

GANDI

DNSSEC

Not Enabled

Privacy & Compliance

Didomi

Cookie Consent Banner

Didomi

GDPR Indicators

Cookie consent banner detected

CMP: Didomi

Typography & Readability

Hind Siliguri + Arial

49/100

Readability

/30

24/40

15px · LH 1.35

Hierarchy

/20

18/25

2.03x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

17/20

System fonts

Heading Font

Hind Siliguri

Sans30px

Body Font

Arial

Sans15px

Contrast Ratio

Reading Comfort

~43 CPL

Needs attention

30px

28px

16px

15px

⚠️ Small text: 15px may be hard to read on mobile. Consider 16px+.

✅ Strong hierarchy: Headlines are 2.0x larger than body text.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

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

⚠️ Cramped layout: 130 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

A/B Testing & Optimization

KameleoonEnterprise

Experimentation and conversion optimization

Sponsored

Scripts & Styles

14 Resources

Scripts

Styles

Async

Defer

Top Script Sources

sdk.privacy-center.org(2)assets.midilibre.fr(2)googletagmanager.com(1)accounts.google.com(1)videofeed.digiteka.com(1)

Website Identity

Facebook X (Twitter)Instagram

Sponsored

Last analyzed: 17 Feb 2026 at 14:40

Historical Analysis & Change Tracking