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.

Back to Search

correctiv.org

https://correctiv.org· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

correctiv.org

Sponsored

Hosting Provider

Hetzner

hetzner.com

IP Address

116.202.235.83

Server Location

🇩🇪 Falkenstein, Germany

ASN

AS24940

Organization

Hetzner Online GmbH

Server

Nginx

CDN

Nameservers

oxygen.ns.hetzner.com.hydrogen.ns.hetzner.com.helium.ns.hetzner.de.

Performance

Page Speed

6.7 MB

97 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.9.1

cms

CORRECTIVv0.1.2

by CORRECTIV

Technology Stack

21 Technologies Detected

Plugins

Newspack Newsletters Ui Components

Elementor

Wp External Links Wp Code Snippets Advanced Ads

Yoast SEO

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel Matomo

Google Tag Manager

Libraries

jQuery

jQuery UI

UI Components

Swiper Slick Carousel

Other

CSS Frameworks

Icon Libraries

Web Servers

SEO Analysis

B76/100

correctiv.orgcorrectiv.org

CORRECTIV

CORRECTIV ist eine gemeinnützige & unabhängige Redaktion. Wir stehen für investigativen Journalismus & stärken eine demokratische Gesellschaft

Title Length9 chars

Recommended: 50-60 chars

Description Length142 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

500 URLs

robots.txt

8 rules

Sitemap reference found

Sponsored

Security Score

46%Poor

Interactive

HTTPS

No WAF

267d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

13.10.2025

Valid Until

13.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.correctiv.orgcorrectiv.org

SHA-256 Fingerprint

F2:B1:79:10:2F:A7:79:AE:DC:A6:C3:DA:A8:64:20:6E:46:9C:34:56...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

cache-control

🟡 300s(max-age=300)

content-length

217338

content-type

text/html; charset=UTF-8

date

Thu, 19 Feb 2026 15:56:46 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

mx00.correctiv.org

Domain Information

correctiv.org

Domain Age

12y 1m

Created

15.01.2014

Expires

15.01.2027

Last Updated

15.01.2026

Registrar

http.net Internet GmbH

DNSSEC

Not Enabled

Privacy & Compliance

consentmanager

Cookie Consent Banner

consentmanager

GDPR Indicators

Cookie consent banner detected

CMP: consentmanager

Typography & Readability

Source Sans Pro + Source Sans 3

61/100

Readability

/30

30/40

17px · LH --

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Source Sans Pro

Sans

Body Font

Source Sans 3

Sans17px

Contrast Ratio

Reading Comfort

~37 CPL

Needs attention

30px

28px

17px

✅ Excellent readability: 17px body text is ideal for all devices.

✅ Good performance: Using 1 font families keeps load times fast.

⚠️ Cramped layout: 85 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

Matomo (Piwik)Mid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

correctiv.org(14)matomo.correctiv.org(3)cdn.consentmanager.net(2)delivery.consentmanager.net(1)

Website Identity

Instagram YouTube

Sponsored

Last analyzed: 19 Feb 2026 at 15:58

Historical Analysis & Change Tracking