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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kaiserpermanente.org

https://kaiserpermanente.org· First analyzed 14 Feb 2026· Updated 14 Feb 2026

Export

Mobile

Sponsored

Hosting Provider

Kaiser Permanente

IP Address

198.140.13.22

Server Location

🇺🇸 Denver, United States

ASN

AS3379

Organization

Kaiser Permanente

Nameservers

ea-dns25.kp.org.ea-dns14.kp.org.ea-dns36.kp.org.

Performance

Page Speed

5.7 MB

129 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

Kaiser Permanente

Detected API Sources

https://maps.googleapis.com/ma...

Technology Stack

6 Technologies Detected

CSS Frameworks

Libraries

UI Components

Other

CDN

SEO Analysis

A84/100

kaiserpermanente.orgkaiserpermanente.org

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Title Length55 chars

Recommended: 50-60 chars

Description Length120 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (43/79)

1 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

79 rules

Sitemap reference found

Sponsored

Security Score

76%Good

Interactive

HTTPS

No WAF

319d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

29.12.2025

Valid Until

30.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.kaiserpermanente.orgkaiserpermanente.org

SHA-256 Fingerprint

81:53:7E:3B:BA:B0:E9:C2:3F:47:0A:B5:CD:D7:95:C6:E9:F9:2D:31...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🔴 No Cache(max-age=0, no-cache)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-length

43654

content-security-policy

default-src 'self' https://*.kaiserpermanente.org:* https://...

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mxa-00000703.gslb.pphosted.com

mxb-00000703.gslb.pphosted.com

Domain Information

kaiserpermanente.org

Domain Age

29y 5m

Created

19.09.1996

Expires

18.09.2026

Last Updated

22.08.2024

Registrar

MarkMonitor Inc.

DNSSEC

Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner

OneTrust

GDPR Indicators

Cookie consent banner detected

CMP: OneTrust

Data Protection Officer mentioned

Typography & Readability

Gotham 5r + Gotham 4r

71/100

Readability

/30

40/40

20px · LH 1.40

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Gotham 5r

Sans

Body Font

Gotham 4r

Sans20px

Contrast Ratio

Reading Comfort

~40 CPL

Needs attention

32px

16px

26px

20px

Minor Second

Scale

✅ Excellent readability: 20px body text is ideal for all devices.

✅ Optimal line spacing: 1.40 ratio ensures comfortable reading.

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

⚠️ Cramped layout: 21 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Enterprise

Marketing Automation

MarketoEnterprise

Email marketing and automation platforms

Behavior Analytics

Quantum MetricEnterprise

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

healthy.kaiserpermanente.org(6)assets.adobedtm.com(3)munchkin.marketo.net(2)local(2)siteintercept.qualtrics.com(2)

Website Identity

Facebook X (Twitter)Instagram YouTube Pinterest

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Last analyzed: 14 Feb 2026 at 02:25

Historical Analysis & Change Tracking