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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namepros.com

https://namepros.com· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

namepros.com

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.67.72.183

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

elsa.ns.cloudflare.com.lee.ns.cloudflare.com.

Performance

Page Speed

156 KB

81 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Ghost

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

7 Technologies Detected

CSS Frameworks

Analytics

Libraries

Icon Libraries

CDN

SEO Analysis

A84/100

namepros.comnamepros.com

NamePros

Buy, sell, learn, and discuss domain names with the largest domain forum community in the world. Stay informed with the latest domain news.

Title Length8 chars

Recommended: 50-60 chars

Description Length139 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

75 rules

Sponsored

Security Score

89%Very Good

Interactive

HTTPS

WAF

44d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

06.01.2026

Valid Until

06.04.2026

Subject Alternative Names (2)

*.namepros.comnamepros.com

SHA-256 Fingerprint

25:0B:90:A2:DF:E0:28:77:78:54:B0:7A:2E:A0:DD:F9:EF:71:BA:01...

Upgrade to view header details

HTTP Headers

Developer Console

date

Fri, 20 Feb 2026 03:10:13 GMT

content-type

text/html; charset=utf-8

report-to

{"group":"cf-nel", "max_age":604800, "endpoints":[{"url":"ht...

x-frame-options

SAMEORIGIN

x-content-type-options

nosniff

last-modified

Fri, 20 Feb 2026 03:10:16 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (5)

alt1.aspmx.l.google.com

aspmx3.googlemail.com

aspmx.l.google.com

alt2.aspmx.l.google.com

+1 more

Domain Information

namepros.com

Domain Age

23y 1m

Created

04.01.2003

Expires

04.01.2034

Last Updated

14.12.2024

Registrar

Dynadot Inc

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Open Sans + sans-serif

63/100

Readability

/30

32/40

15px · LH 1.40

Hierarchy

/20

18/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Open Sans

Sans30px

Body Font

sans-serif

Sans15px

Contrast Ratio

Reading Comfort

~151 CPL

Needs attention

30px

20px

17px

15px

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

✅ Optimal line spacing: 1.40 ratio ensures comfortable reading.

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

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

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

✅ Protected text on images: Using gradient for readability.

Buy on MyFonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

22 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(19)googletagmanager.com(1)

Website Identity

Facebook X (Twitter)LinkedIn Pinterest

Sponsored

Last analyzed: 20 Feb 2026 at 03:10

Historical Analysis & Change Tracking