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.

Back to Search

kqed.org

https://kqed.org· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

kqed.org

Mobile

Sponsored

Hosting Provider

Google Cloud Platform

cloud.google.com

IP Address

35.244.210.32

Server Location

🇺🇸 Kansas City, United States

ASN

AS396982

Organization

Google Cloud

Server

Apache

Nameservers

ns-151.awsdns-18.com.ns-2012.awsdns-59.co.uk.ns-848.awsdns-42.net.ns-1040.awsdns-02.org.

Performance

Page Speed

2.1 MB

191 requests

Image Optimization

Lazy LoadResponsiveimgix

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

KQED-unifiedCustom

Technology Stack

16 Technologies Detected

Analytics

CSS Frameworks

Advertising

Google Ads Microsoft Advertising

Meta Frameworks

UI Components

Icon Libraries

Tag Managers

Other

Web Servers

Frameworks

SEO Analysis

C64/100

kqed.orgkqed.org

KQED | News, Radio, Podcasts, TV | Public Media for Northern Califo...

KQED provides public radio, television, and independent reporting on issues that matter to the Bay Area. We’re the NPR and PBS member station for Northern Ca...

Title truncated. Description truncated.

Title Length71 chars

Recommended: 50-60 chars

Description Length166 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (36/70)

4 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

1 URLs

robots.txt

5 rules

Sitemap reference found

Sponsored

Security Score

41%Poor

Interactive

HTTPS

No WAF

329d

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+H3

Valid From

08.12.2025

Valid Until

08.01.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.kqed.orgkqed.org

SHA-256 Fingerprint

E0:4F:E7:49:A9:E0:AD:EE:47:CE:3C:90:C3:F6:F8:3C:B8:14:3D:AD...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin

alt-svc

h3=":443"; ma=2592000,h3-29=":443"; ma=2592000

content-encoding

📦 Gzip(gzip)

content-security-policy

frame-ancestors 'none';

content-type

text/html; charset=utf-8

date

Fri, 13 Feb 2026 00:59:57 GMT

Good Warning Issue

Email Infrastructure

Mimecast

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

us-smtp-inbound-2.mimecast.com

us-smtp-inbound-1.mimecast.com

Domain Information

kqed.org

Domain Age

31y 11m

Created

28.02.1994

Expires

01.03.2033

Last Updated

20.02.2024

Registrar

Amazon Registrar, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Tiempos Headline + Georgia

75/100

Readability

/30

40/40

17px · LH 1.65

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

17/20

System fonts

Heading Font

Tiempos Headline

Serif

Body Font

Georgia

Serif17px

Contrast Ratio

Reading Comfort

~41 CPL

Needs attention

40px

13px

18px

17px

✅ Excellent readability: 17px body text is ideal for all devices.

✅ Optimal line spacing: 1.65 ratio ensures comfortable reading.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

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

⚠️ Cramped layout: 54 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

Buy on MyFonts

Business & Marketing Stack

8 Tools Detected

Enterprise

Behavior Analytics

HotjarMid-Market

Microsoft ClarityFree

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Microsoft AdsEnterprise

Reddit PixelMid-Market

Ad platforms and retargeting pixels

A/B Testing & Optimization

VWO (Visual Website Optimizer)Mid-Market

Experimentation and conversion optimization

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(8)connect.facebook.net(2)scripts.clarity.ms(1)google-analytics.com(1)clarity.ms(1)

Website Identity

kqed.org

31 years old

Amazon Registrar, Inc.📧 Mimecast

Social Profiles

Facebook X (Twitter)Instagram LinkedIn YouTube TikTok

Sponsored

Last analyzed: 13 Feb 2026 at 01:00

Historical Analysis & Change Tracking