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

htmlcodex.com

https://htmlcodex.com· First analyzed 14 Feb 2026· Updated 14 Feb 2026

Export

htmlcodex.com

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.67.212.89

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

skip.ns.cloudflare.com.jule.ns.cloudflare.com.

Performance

Page Speed

1.3 MB

73 requests

Image Optimization

ResponsiveJetpack Photon (WordPress)

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.9.1

cms

Gridlovev1.9.8

by meks

View Theme

Technology Stack

17 Technologies Detected

Plugins

Widget Logic Meks Easy Ads Widget Meks Smart Social Widget Meks Easy Social Share Mailchimp For Wp Google Site Kit

Analytics

Advertising

Google Ads Google AdSense

Libraries

CSS Frameworks

Icon Libraries

Fonts

CDN

SEO Analysis

A+94/100

htmlcodex.comhtmlcodex.com

Free & Premium HTML Website Templates Download - HTML Codex

Download free and premium HTML website templates source code based on HTML, CSS, and Bootstrap to build personal and commercial websites

Title Length59 chars

Recommended: 50-60 chars

Description Length136 chars

Recommended: 120-160 chars

Sponsored

Security Score

31%Critical

Interactive

HTTPS

WAF

86d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

11.02.2026

Valid Until

12.05.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

htmlcodex.com*.htmlcodex.com

SHA-256 Fingerprint

50:CF:6F:D3:57:2C:FB:6C:6E:25:C3:A7:D6:8A:16:6A:F6:06:78:0C...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cache-control

🟡 1 Hours(max-age=3600, public)

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9ce021701c0c3d4d-FRA

content-encoding

zstd

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

MX Records (5)

alt4.aspmx.l.google.com

alt2.aspmx.l.google.com

alt1.aspmx.l.google.com

aspmx.l.google.com

+1 more

Domain Information

htmlcodex.com

Domain Age

6y 3m

Created

22.10.2019

Expires

22.10.2026

Last Updated

07.10.2025

Registrar

Launchpad.com Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Lato + Cabin

78/100

Readability

/30

40/40

16px · LH 1.50

Hierarchy

/20

15/25

1x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Lato

Sans16px

Body Font

Cabin

Sans16px

Contrast Ratio

Reading Comfort

~44 CPL

Needs attention

16px

30px

20px

16px

Major Third

Scale

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ Good performance: Using 2 font families keeps load times fast.

⚠️ Cramped layout: 17 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

GGoogle Fonts Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Enterprise

Marketing Automation

MailchimpSMB

Email marketing and automation platforms

Behavior Analytics

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

22 Resources

Scripts

Styles

Async

Defer

Top Script Sources

c0.wp.com(5)htmlcodex.com(5)pagead2.googlesyndication.com(2)googletagmanager.com(1)widgetlogic.org(1)

Website Identity

htmlcodex.com

6 years old

Launchpad.com Inc.📧 Google Workspace

Social Profiles

Facebook X (Twitter)Pinterest

Sponsored

Last analyzed: 14 Feb 2026 at 22:51

Historical Analysis & Change Tracking