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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wongcw.com

https://wongcw.com· First analyzed 18 Feb 2026· Updated 18 Feb 2026

Export

wongcw.com

Sponsored

Hosting Provider

Hong Kong Broadband Network Ltd

IP Address

61.92.178.61

Server Location

🇭🇰 Kwai Chung, Hong Kong

ASN

AS9269

Organization

Hong Kong Broadband Network Ltd

Server

Apache

Nameservers

vip3.alidns.com.vip4.alidns.com.

Performance

Page Speed

2 MB

65 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Hong Kong Broadband Network Ltd

Technology Stack

13 Technologies Detected

Advertising

Google Ads Google AdSense Criteo Outbrain

Analytics

Facebook Pixel Matomo

Frameworks

Libraries

CSS Frameworks

Icon Libraries

Fonts

Payments

Web Servers

SEO Analysis

C64/100

wongcw.comwongcw.com

WONGCW Official Site

Title Length20 chars

Recommended: 50-60 chars

Description Length20 chars

Recommended: 120-160 chars

Issues (0)

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

533 URLs

robots.txt

2 rules

Allows all crawlers

Sponsored

Security Score

0%Critical

Critical / Transactional

HTTPS

No WAF

87d

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

15.02.2026

Valid Until

16.05.2026

Subject Alternative Names (2)

*.wongcw.comwongcw.com

SHA-256 Fingerprint

8E:08:9A:90:E0:23:29:88:0F:0A:7A:72:80:74:70:9A:DF:43:A9:47...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-cache, private)

content-encoding

📦 Gzip(gzip)

content-length

8995

content-type

text/html; charset=UTF-8

date

Wed, 18 Feb 2026 02:12:19 GMT

server

Apache

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (2)

mxbiz2.qq.com

mxbiz1.qq.com

Domain Information

wongcw.com

Domain Age

8y 9m

Created

25.05.2017

Expires

25.05.2030

Last Updated

08.03.2022

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

DNSSEC

Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner

Quantcast Choice

GDPR Indicators

Cookie consent banner detected

CMP: Quantcast Choice

Legitimate interest basis mentioned

Typography & Readability

Open Sans + Helvetica

63/100

Readability

/30

30/40

16px · LH --

Hierarchy

/20

15/25

1.12x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

Open Sans

Sans18px

Body Font

Helvetica

Sans16px

Contrast Ratio

Reading Comfort

~33 CPL

Needs attention

18px

24px

18px

16px

Minor Second

Scale

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

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

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

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 26 elements lack adequate spacing.

GGoogle Fonts

Business & Marketing Stack

6 Tools Detected

Enterprise

Behavior Analytics

Matomo (Piwik)Mid-Market

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

Social Media

Facebook SDKFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

19 Resources

Scripts

Styles

Async

Defer

Top Script Sources

wongcw.com(5)connect.facebook.net(2)pagead2.googlesyndication.com(2)fundingchoicesmessages.google.com(2)matomo.wongcw.com(1)

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Last analyzed: 18 Feb 2026 at 02:18

Historical Analysis & Change Tracking