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

travelchinaguide.com

https://travelchinaguide.com· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

54.81.85.18

Server Location

🇺🇸 Ashburn, United States

ASN

AS14618

Organization

AWS EC2 (us-east-1)

Server

Nginx

CDN

Cloudflare

WAF

Cloudflare

Nameservers

reza.ns.cloudflare.com.rene.ns.cloudflare.com.

Performance

Page Speed

14 KB

57 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Amazon Web Services (AWS)

CDN

Cloudflare

Technology Stack

7 Technologies Detected

Analytics

Frameworks

Libraries

CSS Frameworks

Customer Support

Web Servers

SEO Analysis

C62/100

travelchinaguide.comtravelchinaguide.com

China Travel Agency, Small Group & Private Tour Service

TravelChinaGuide, a leading China travel agency offering private & small group packages to Beijing, Xian, Shanghai with lowest price, can be your best choice...

Description truncated.

Title Length55 chars

Recommended: 50-60 chars

Description Length183 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (18/30)

5 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

8 rules

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

46d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

GoDaddy.com, Inc.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

06.03.2025

Valid Until

07.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.travelchinaguide.comtravelchinaguide.com

SHA-256 Fingerprint

FA:42:4A:C1:2D:49:A4:AF:B5:6E:2B:3F:81:F4:1D:1E:A6:F6:30:05...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

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HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=utf-8

date

Thu, 19 Feb 2026 15:42:55 GMT

etag

W/"698dab7a-1d56d"

last-modified

Thu, 12 Feb 2026 10:29:14 GMT

referrer-policy

unsafe-url

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mxw.mxhichina.com

mxn.mxhichina.com

Domain Information

travelchinaguide.com

Domain Age

27y 4m

Created

27.10.1998

Expires

26.10.2028

Last Updated

09.01.2025

Registrar

Network Solutions, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Arial

70/100

Readability

/30

40/40

17px · LH 1.60

Hierarchy

/20

25/25

2x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Arial

Sans34px

Body Font

Arial

Sans17px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

34px

30px

✅ Excellent readability: 17px body text is ideal for all devices.

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.0x larger than body text.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

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

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

Business & Marketing Stack

3 Tools Detected

Advanced

Customer Support

Tawk.toFree

Live chat and helpdesk tools

Behavior Analytics

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Sponsored

Scripts & Styles

5 Resources

Scripts

Styles

Async

Defer

Top Script Sources

embed.tawk.to(1)data.travelchinaguide.com(1)googletagmanager.com(1)

Website Identity

Facebook X (Twitter)Instagram

Sponsored

Last analyzed: 19 Feb 2026 at 15:43

Historical Analysis & Change Tracking