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

nationalgeographic.com

https://nationalgeographic.com· First analyzed 10 Feb 2026· Updated 10 Feb 2026

Export

Mobile

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Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

13.33.235.12

Server Location

🇺🇸 New York, United States

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

Nginx

CDN

CloudFront

Nameservers

ns106.twdcns.co.uk.ns106.twdcns.com.ns106.twdcns.net.ns106.twdcns.org.

Performance

Page Speed

264 KB

219 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Ghost

Technology Stack

8 Technologies Detected

CSS Frameworks

Meta Frameworks

Other

Fonts

Analytics

Advertising

Web Servers

SEO Analysis

B76/100

nationalgeographic.comnationalgeographic.com

National Geographic | National Geographic

Explore National Geographic. A world leader in geography, cartography and exploration.

Title Length41 chars

Recommended: 50-60 chars

Description Length86 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

3 issues found

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Security Score

21%Critical

Interactive

HTTPS

No WAF

295d

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🟡 0s(max-age=0, stale-if-error=86400)

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=utf-8

date

Tue, 10 Feb 2026 20:59:46 GMT

expires

Tue, 10 Feb 2026 20:59:55 GMT

last-modified

Tue, 10 Feb 2026 20:59:55 GMT

Good Warning Issue

Typography & Readability

CenturyGothic + Franklin Gothic Medium

47/100

Readability

/30

24/40

15px · LH 1.33

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

CenturyGothic

Sans

Body Font

Franklin Gothic Medium

Sans15px

Contrast Ratio

Reading Comfort

~43 CPL

Needs attention

54px

18px

15px

⚠️ Small text: 15px may be hard to read on mobile. Consider 16px+.

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 62 elements lack adequate spacing.

⚠️ Inconsistent alignment: Mix of left/center/right creates visual noise.

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Business & Marketing Stack

8 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Twitter/X AdsMid-Market

Pinterest AdsMid-Market

TikTok PixelMid-Market

Microsoft AdsEnterprise

Ad platforms and retargeting pixels

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

https:(14)dcf.espn.com(4)sb.scorecardresearch.com(1)secure.espn.com(1)

Website Identity

nationalgeographic.com

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Last analyzed: 10 Feb 2026 at 21:00

Historical Analysis & Change Tracking