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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upmc.com

https://upmc.com· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

upmc.com

Sponsored

Hosting Provider

UPMC

IP Address

151.195.136.79

Server Location

🇺🇸 Pittsburgh, United States

ASN

AS122

Organization

UPMC

Nameservers

ns4.upmc.com.ns6.upmc.com.ns5.upmc.com.ns3.upmc.com.

Performance

Page Speed

638 KB

73 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

UPMC

Detected API Sources

https://kloggyr-service.kyruus...

Technology Stack

8 Technologies Detected

Analytics

Meta Frameworks

Libraries

CSS Frameworks

Icon Libraries

Other

Security

SEO Analysis

A+90/100

upmc.comupmc.com

UPMC: #1 Ranked Hospital in Pittsburgh

Find a doctor or request an appointment at UPMC, ranked the #1 hospital in Pittsburgh by U.S. News.

Title Length38 chars

Recommended: 50-60 chars

Description Length99 chars

Recommended: 120-160 chars

Issues (0)

1 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

28 rules

Sitemap reference found

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

204d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

08.08.2025

Valid Until

08.09.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

upmc.com*.upmc.com

SHA-256 Fingerprint

54:ED:D9:ED:AB:91:DF:FF:B6:56:9E:07:AA:F1:2E:B8:E2:77:4E:63...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ch

Sec-CH-UA-Full-Version-List,Sec-CH-UA-Platform-Version,Sec-C...

cache-control

🔴 No Cache(no-cache, no-store)

content-encoding

⚡ Brotli(br)

content-length

40101

content-type

text/html; charset=utf-8

date

Mon, 16 Feb 2026 13:02:46 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mxb-0002f001.gslb.pphosted.com

mxa-0002f001.gslb.pphosted.com

Domain Information

upmc.com

Domain Age

26y 5m

Created

17.09.1999

Expires

17.09.2026

Last Updated

14.09.2025

Registrar

CSC Corporate Domains, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Data Protection Officer mentioned

Typography & Readability

Montserrat

73/100

Readability

/30

32/40

16px · LH 2.00

Hierarchy

/20

18/25

3.12x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Montserrat

Sans50px

Body Font

Montserrat

Sans16px

Contrast Ratio

Reading Comfort

~38 CPL

Needs attention

50px

18px

16px

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

✅ Strong hierarchy: Headlines are 3.1x 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.

✅ 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

6 Tools Detected

Enterprise

Behavior Analytics

Matomo (Piwik)Mid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

CookiebotMid-Market

Cookie consent and privacy compliance tools

Social Media

Twitter/X WidgetsFree

Social widgets and sharing tools

A/B Testing & Optimization

VWO (Visual Website Optimizer)Mid-Market

Experimentation and conversion optimization

Sponsored

Scripts & Styles

28 Resources

Scripts

Styles

Async

Defer

Top Script Sources

upmc.com(6)local(5)upmc.containers.piwik.pro(2)solutions.invocacdn.com(2)consent.cookiebot.com(2)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube Pinterest

Sponsored

Last analyzed: 16 Feb 2026 at 13:03

Historical Analysis & Change Tracking