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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jornada.com.mx

https://jornada.com.mx· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

jornada.com.mx

Sponsored

Hosting Provider

Limestone Networks

IP Address

64.31.38.83

Server Location

🇺🇸 Miami, United States

ASN

AS46475

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

lazarillo.jornada.com.mx.tyrion.jornada.com.mx.

Performance

Page Speed

4.6 MB

117 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Tailwind CSS

CMS

Substack

Infrastructure

Hosting

Limestone Networks

CDN

Cloudflare

Technology Stack

11 Technologies Detected

Analytics

Advertising

Google Ads Twitter Ads Outbrain

CSS Frameworks

Fonts

CDN

Frameworks

SEO Analysis

D49/100

jornada.com.mxjornada.com.mx

La Jornada

La Jornada, un diario radicado en la capital, cuenta con un archivo disponible desde 1995.

Title Length10 chars

Recommended: 50-60 chars

Description Length90 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (21/39)

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

42 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

81%Very Good

Static / Informational

HTTPS

WAF

49d

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

08.01.2026

Valid Until

08.04.2026

Subject Alternative Names (2)

*.jornada.com.mxjornada.com.mx

SHA-256 Fingerprint

9A:76:F3:4C:F2:82:CB:D3:78:FD:30:C1:83:EC:20:4A:9E:2F:FE:04...

Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟡 120s(max-age=120)

cf-cache-status

HIT

cf-ray🇩🇪 Frankfurt

9cf80bcc3e2ad36d-FRA

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=utf-8

date

Tue, 17 Feb 2026 20:31:03 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (5)

ALT1.ASPMX.L.GOOGLE.COM

ASPMX.L.GOOGLE.COM

ALT3.ASPMX.L.GOOGLE.COM

ALT4.ASPMX.L.GOOGLE.COM

+1 more

Domain Information

jornada.com.mx

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

Typography & Readability

PT Serif + Roboto

95/100

Readability

/30

40/40

16px · LH 1.50

Hierarchy

/20

25/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

PT Serif

Serif32px

Body Font

Roboto

Sans16px

Contrast Ratio

Reading Comfort

~35 CPL

Needs attention

32px

56px

16px

Major Sixth

Scale

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

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

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

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

GGoogle Fonts

Business & Marketing Stack

6 Tools Detected

Enterprise

Behavior Analytics

HotjarMid-Market

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Twitter/X AdsMid-Market

Ad platforms and retargeting pixels

Social Media

Twitter/X WidgetsFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

fundingchoicesmessages.google.com(3)connect.facebook.net(2)securepubads.g.doubleclick.net(2)jornada.com.mx(2)platform.twitter.com(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn

Sponsored

Last analyzed: 17 Feb 2026 at 20:31

Historical Analysis & Change Tracking