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

ntp.org

https://ntp.org· First analyzed 11 Feb 2026· Updated 11 Feb 2026

Export

ntp.org

Mobile

Sponsored

Hosting Provider

Sonic.net, Inc

IP Address

209.148.110.246

Server Location

🇺🇸 San Jose, United States

ASN

AS46375

Organization

Sonic.net, Inc

Server

Apache

Nameservers

dns2.udel.edu.ns1.everett.org.anyns.pch.net.dns1.udel.edu.

Performance

Page Speed

106 KB

27 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Sonic.net, Inc

Technology Stack

6 Technologies Detected

Analytics

CSS Frameworks

Fonts

Web Servers

SEO Analysis

D47/100

ntp.orgntp.org

Welcome to the home of the Network Time Protocol (NTP) Project.

The NTP Project conducts Research and Development in NTP, a protocol designed to synchronize the clocks of computers over a network to a common timebase.

Title Length63 chars

Recommended: 50-60 chars

Description Length153 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (6/7)

4 issues found

Upgrade to view details

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

48d

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

content-length

8188

content-type

text/html

date

Wed, 11 Feb 2026 07:15:14 GMT

etag

"1ffc-64753cbdf93e9"

last-modified

Thu, 01 Jan 2026 13:44:48 GMT

Good Warning Issue

Typography & Readability

Nunito Sans + sans-serif

76/100

Readability

/30

40/40

16px · LH 1.60

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Nunito Sans

Body Font

sans-serif

Sans16px

Contrast Ratio

Reading Comfort

~43 CPL

Needs attention

24px

16px

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

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

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

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

✅ Clean layout: Consistent center alignment throughout.

GGoogle Fonts

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

Microsoft ClarityFree

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Sponsored

Scripts & Styles

10 Resources

Scripts

Styles

Async

Defer

Top Script Sources

cse.google.com(2)scripts.clarity.ms(1)clarity.ms(1)googletagmanager.com(1)google.com(1)

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Last analyzed: 11 Feb 2026 at 07:15

Historical Analysis & Change Tracking