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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intermountainhealthcare.org

https://intermountainhealthcare.org· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

Sponsored

Hosting Provider

ValorC3 Data Centers

IP Address

207.53.244.22

Server Location

🇺🇸 Salt Lake City, United States

ASN

AS46309

CDN

Nameservers

liz.ns.cloudflare.com.tom.ns.cloudflare.com.

Performance

Page Speed

152 KB

72 requests

Image Optimization

Lazy LoadResponsiveVercel Image Optimization

0–49

50–89

90–100

Architecture Stack

Hybrid

⚡ SSG

Frontend

Framework

Next.js

CMS

Sitecore

Infrastructure

Hosting

ValorC3 Data Centers

CDN

Technology Stack

7 Technologies Detected

Analytics

CSS Frameworks

Meta Frameworks

Tag Managers

SEO Analysis

B76/100

intermountainhealthcare.orgintermountainhealthcare.org

Home - Intermountain Health

Intermountain Health's mission: helping people live the healthiest lives possible through quality, sustainable, and affordable care.

Title Length27 chars

Recommended: 50-60 chars

Description Length132 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

5,808 URLs

robots.txt

17 rules

Sponsored

Security Score

86%Very Good

Interactive

HTTPS

WAF

266d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

12.11.2025

Valid Until

12.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

intermountainhealthcare.orgwww.intermountainhealthcare.org

SHA-256 Fingerprint

A0:50:84:E9:B2:AF:C8:62:9E:B0:6B:61:13:73:BD:10:5E:09:0A:65...

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

⚪ Custom(s-maxage=5, stale-while-revalidate)

content-encoding

📦 Gzip(gzip)

content-security-policy

frame-ancestors https://sc10cm https://rg-sitecore-website-q...

content-type

text/html; charset=utf-8

date

Thu, 19 Feb 2026 17:16:33 GMT

feature-policy

payment 'none'; gyroscope 'none'; camera 'none'; microphone ...

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

mxa-001cd001.gslb.pphosted.com

mxb-001cd001.gslb.pphosted.com

Domain Information

intermountainhealthcare.org

Domain Age

23y 7m

Created

29.07.2002

Expires

29.07.2027

Last Updated

01.10.2025

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Rector + ABC Social Variable

84/100

Readability

/30

40/40

18px · LH 1.70

Hierarchy

/20

21/25

3.56x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Rector

Sans64px

Body Font

ABC Social Variable

Sans18px

Contrast Ratio

Reading Comfort

~36 CPL

Needs attention

64px

24px

20px

18px

✅ Excellent readability: 18px body text is ideal for all devices.

✅ Optimal line spacing: 1.70 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 3.6x larger than body text.

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

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

⚠️ Cramped layout: 53 elements lack adequate spacing.

Buy on MyFontsVariable Fonts

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

AmplitudeMid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(14)perfalytics.com(2)cdn.amplitude.com(2)googletagmanager.com(1)formstack.com(1)

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Last analyzed: 19 Feb 2026 at 17:17

Historical Analysis & Change Tracking