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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9to5mac.com

https://9to5mac.com· First analyzed 12 Feb 2026· Updated 12 Feb 2026

Export

9to5mac.com

Mobile

Sponsored

Hosting Provider

Automattic, Inc

IP Address

192.0.66.2

Server Location

🇺🇸 San Francisco, United States

ASN

AS2635

Server

Nginx

CDN

Nameservers

ns2.wordpress.com.ns3.wordpress.com.ns1.wordpress.com.

Performance

Page Speed

1.1 MB

112 requests

Image Optimization

Lazy LoadResponsiveJetpack Photon (WordPress)

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

React

CMS

WordPressv6.9.1

Infrastructure

Hosting

Automattic, Inc

CDN

Progressive Web App

Service WorkerApple Touch IconTheme Color

Technology Stack

24 Technologies Detected

Plugins

Onesignal Free Web Push Notifications Crowdsignal Forms Disqus

Yoast SEO

Jetpack

Advertising

Google Ads Google AdSense Criteo Outbrain

Fonts

Google Fonts Adobe Fonts (Typekit)Adobe Fonts

Libraries

Analytics

Frameworks

CSS Frameworks

Icon Libraries

Tag Managers

Payments

Comments

Web Servers

Customer Support

SEO Analysis

A82/100

9to5mac.com9to5mac.com

9to5Mac - Apple News & Mac Rumors Breaking All Day

Apple News & Mac Rumors Breaking All Day

Title Length50 chars

Recommended: 50-60 chars

Description Length40 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

121 URLs

robots.txt

15 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

10%Critical

Critical / Transactional

HTTPS

No WAF

45d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

29.12.2025

Valid Until

29.03.2026

Subject Alternative Names (3)

9to5mac.compreprod.9to5mac.comwww.9to5mac.com

SHA-256 Fingerprint

83:8D:EF:EA:D9:4E:A9:78:E1:CF:09:D2:E8:C5:57:11:0E:FC:57:0F...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🟡 300s(max-age=300, must-revalidate)

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=UTF-8

date

Thu, 12 Feb 2026 13:10:35 GMT

host-header

a9130478a60e5f9135f765b23f26593b

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (7)

aspmx2.googlemail.com

aspmx5.googlemail.com

alt2.aspmx.l.google.com

aspmx.l.google.com

+3 more

Domain Information

9to5mac.com

Domain Age

19y 1m

Created

05.01.2007

Expires

05.01.2028

Last Updated

05.12.2024

Registrar

Tucows Domains Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner

Quantcast Choice

GDPR Indicators

Cookie consent banner detected

CMP: Quantcast Choice

Data Protection Officer mentioned

Legitimate interest basis mentioned

Typography & Readability

-apple-system

88/100

Readability

/30

40/40

18px · LH 1.50

Hierarchy

/20

25/25

2.89x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

-apple-system

Sans52px

Body Font

-apple-system

Sans18px

Contrast Ratio

Reading Comfort

~39 CPL

Needs attention

52px

38px

18px

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.9x larger than body text.

✅ 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.

GGoogle Fonts AAdobe Fonts Buy on MyFonts

Business & Marketing Stack

5 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Microsoft AdsEnterprise

Ad platforms and retargeting pixels

Privacy & Cookies

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

28 Resources

Scripts

Styles

Async

Defer

Top Script Sources

9to5mac.com(7)googletagmanager.com(3)cdn.onesignal.com(2)fundingchoicesmessages.google.com(2)sb.scorecardresearch.com(1)

Website Identity

9to5mac.com

19 years old

Tucows Domains Inc.📧 Google Workspace

Social Profiles

Facebook X (Twitter)Instagram LinkedIn YouTube Bluesky

Sponsored

Last analyzed: 12 Feb 2026 at 13:11

Historical Analysis & Change Tracking