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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panic.com

https://panic.com· First analyzed 18 Feb 2026· Updated 18 Feb 2026

Export

panic.com

Sponsored

Hosting Provider

Panic Inc

IP Address

38.103.165.38

Server Location

🇺🇸 Portland, United States

ASN

AS174

Organization

Panic Inc

Server

Nginx

Nameservers

ns-186.awsdns-23.com.ns-2000.awsdns-58.co.uk.ns-795.awsdns-35.net.ns-1111.awsdns-10.org.

Performance

Page Speed

4.6 MB

70 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Panic Inc

Technology Stack

2 Technologies Detected

Analytics

Plausible Analytics

Web Servers

Nginx

SEO Analysis

B72/100

panic.companic.com

Panic - We code apps, publish games, and make Playdate.

Panic codes top-quality apps for developers, publishes games for people who like fun, and, now, we make the Playdate handheld gaming system.

Title Length55 chars

Recommended: 50-60 chars

Description Length140 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (2/3)

3 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

2 rules

Sponsored

Security Score

56%Poor

Interactive

HTTPS

No WAF

373d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

28.01.2026

Valid Until

26.02.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.panic.companic.com

SHA-256 Fingerprint

62:AC:36:7A:FD:26:AA:50:C5:F0:93:20:78:EA:7B:F0:68:7C:52:20...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-type

text/html

date

Wed, 18 Feb 2026 03:57:12 GMT

last-modified

Thu, 12 Feb 2026 23:15:58 GMT

server

nginx

strict-transport-security

max-age=31536000;

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

mail-gateway.panic.com

Domain Information

panic.com

Domain Age

33y 7m

Created

14.07.1992

Expires

13.07.2034

Last Updated

13.07.2024

Registrar

Network Solutions, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Chrono

69/100

Readability

/30

30/40

40px · LH --

Hierarchy

/20

18/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Chrono

Sans80px

Body Font

Chrono

Sans40px

Contrast Ratio

Reading Comfort

~52 CPL

Optimal (45–75)

80px

42px

77px

40px

Minor Third

Scale

✅ Excellent readability: 40px body text is ideal for all devices.

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

✅ Good performance: Using 2 font families keeps load times fast.

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

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

✅ Protected text on images: Using gradient for readability.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

PlausibleSMB

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

6 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(2)plausible.io(1)umami.panic.com(1)panic.js?nocache-2026-01-16(1)

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Last analyzed: 18 Feb 2026 at 03:57

Historical Analysis & Change Tracking