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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themerex.net

https://themerex.net· First analyzed 15 Feb 2026· Updated 15 Feb 2026

Export

themerex.net

$Desktop screenshot of themerex.net$

$Mobile screenshot of themerex.net$

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.66.43.171

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

zara.ns.cloudflare.com.carl.ns.cloudflare.com.

Performance

Page Speed

2.2 MB

167 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Detected API Sources

https://themerex.net/wp-conten...

Technology Stack

28 Technologies Detected

Plugins

Easy Digital Downloads Pro

Advanced Popups Affiliate Wp

WPML

Edd Reviews Metform Trx_Addons

Elementor

Edd Free Downloads Gtm Kit

Analytics

Libraries

UI Components

Meta Frameworks

Other

CSS Frameworks

Icon Libraries

Fonts

Tag Managers

CDN

Languages

SEO Analysis

B76/100

themerex.netthemerex.net

ThemeREX - Best WordPress Themes - Niche Templates on themerex.net

ThemeREX - Envato Power Elite Author. We create beautiful quality niche WordPress Themes and Site Templates for any kind of business.

Title Length66 chars

Recommended: 50-60 chars

Description Length133 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (32/50)

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

3 rules

Sponsored

Security Score

0%Critical

Critical / Transactional

HTTPS

WAF

88d

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+H3

Valid From

14.02.2026

Valid Until

15.05.2026

Subject Alternative Names (3)

*.jacqueline.themerex.net*.themerex.netthemerex.net

SHA-256 Fingerprint

0C:FE:D2:C9:12:D7:DF:C2:C5:04:2F:34:BA:B0:16:13:CC:66:34:B9...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9ce3b5d79d8bdc85-FRA

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=UTF-8

date

Sun, 15 Feb 2026 09:17:07 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

main.themerex.net

Domain Information

themerex.net

Domain Age

12y 5m

Created

11.09.2013

Expires

11.09.2026

Last Updated

02.04.2025

Registrar

Internet Invest, Ltd. dba Imena.ua

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Data Protection Officer mentioned

Typography & Readability

Inter Tight + Inter

46/100

Readability

/30

20/40

12px · LH 1.67

Hierarchy

/20

25/25

30.4x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Inter Tight

Sans365px

Body Font

Inter

Sans12px

Contrast Ratio

Reading Comfort

~41 CPL

Needs attention

365px

117px

35px

28px

12px

❌ Critical: 12px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.67 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 30.4x larger than body text.

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

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

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

Buy on MyFonts

Business & Marketing Stack

5 Tools Detected

Enterprise

CRM Systems

SalesforceEnterprise

Customer Relationship Management platforms

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

CookiebotMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

themerex.net(11)googletagmanager.com(4)connect.facebook.net(3)google-analytics.com(2)

Website Identity

themerex.net

12 years old

Internet Invest, Ltd. dba Imena.ua

Social Profiles

Facebook X (Twitter)Instagram LinkedIn YouTube Behance

Sponsored

Last analyzed: 15 Feb 2026 at 09:17

Historical Analysis & Change Tracking