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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taiwan.net.tw

https://taiwan.net.tw· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

taiwan.net.tw

Sponsored

Hosting Provider

ACEREDC

IP Address

211.79.207.131

Server Location

🇹🇼 Neihu District, Taiwan

ASN

AS17420

Nameservers

admns2.hinet.net.admns1.hinet.net.

Performance

Page Speed

7 MB

122 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

ACEREDC

Technology Stack

8 Technologies Detected

Libraries

Analytics

UI Components

Other

CSS Frameworks

Tag Managers

SEO Analysis

D49/100

taiwan.net.twtaiwan.net.tw

交通部觀光署-觀光資訊網

No description available for this page.

Title Length12 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

• Missing meta description - important for click-through rates
• Many images missing alt text (253/307)

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

1,480 URLs

robots.txt

1 rules

Allows all crawlers

Sponsored

Security Score

20%Critical

Critical / Transactional

HTTPS

No WAF

301d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

TAIWAN-CA

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

18.12.2025

Valid Until

18.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (10)

taiwan.net.twwww.taiwan.net.tweng.taiwan.net.twjp.taiwan.net.twmap.taiwan.net.twtheme.taiwan.net.twspanish.taiwan.net.twchild.taiwan.net.tw+2 more

SHA-256 Fingerprint

90:D2:5D:CE:0C:F5:77:D5:3B:48:85:E2:8D:78:5F:CD:BC:92:8B:FB...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🔴 No Cache(max-age=600,no-cache)

content-encoding

📦 Gzip(gzip)

content-length

114732

content-security-policy-report-only

default-src 'self'; script-src 'self' 'unsafe-inline' 'unsaf...

content-type

text/html

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

mail.taiwan.net.tw

Domain Information

taiwan.net.tw

Domain Age

24y 1m

Created

22.01.2002

Expires

24.01.2033

Last Updated

13.06.2020

Registrar

HINET

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Microsoft JhengHei

41/100

Readability

/30

30/40

16px · LH --

Hierarchy

/20

8/25

1x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Microsoft JhengHei

Sans16px

Body Font

Microsoft JhengHei

Sans16px

Contrast Ratio

Reading Comfort

~58 CPL

Optimal (45–75)

16px

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

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

✅ Good performance: Using 1 font families keeps load times fast.

✅ Consistent design: Single font family with weight variations is a modern best practice.

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

✅ Optimal line length: ~58 characters per line is comfortable to read.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

26 Resources

Scripts

Styles

Async

Defer

Top Script Sources

common(12)youtube.com(2)googletagmanager.com(2)google-analytics.com(1)cdnjs.cloudflare.com(1)

Website Identity

Facebook Instagram YouTube

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Last analyzed: 20 Feb 2026 at 11:13

Historical Analysis & Change Tracking