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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pewforum.org

https://pewforum.org· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

pewforum.org

Sponsored

Hosting Provider

Automattic, Inc

IP Address

192.0.66.2

Server Location

🇺🇸 San Francisco, United States

ASN

AS2635

Server

Nginx

CDN

Nameservers

ns-1452.awsdns-53.org.ns-1778.awsdns-30.co.uk.ns-751.awsdns-29.net.ns-130.awsdns-16.com.

Performance

Page Speed

1.9 MB

86 requests

Image Optimization

WebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

React

CMS

WordPressv6.9.1

Infrastructure

Hosting

Automattic, Inc

CDN

Technology Stack

26 Technologies Detected

Plugins

Prc Block Library Prc Block Area Modules Prc Facets Facetwp Years Prc Icon Library Prc Privacy Consent Google Site Kit Wp Consent Api

Analytics

Facebook Pixel Crazy Egg Sentry

Frameworks

React

Angular

Fonts

Adobe Fonts (Typekit)Adobe Fonts

Advertising

LinkedIn Ads Pinterest Tag

Libraries

CSS Frameworks

Tag Managers

Web Servers

CDN

SEO Analysis

B70/100

pewforum.orgpewforum.org

Religion - Research and data from Pew Research Center

Research and data on Religion from Pew Research Center

Title Length53 chars

Recommended: 50-60 chars

Description Length54 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (15/24)

3 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

10 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

47d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

05.01.2026

Valid Until

05.04.2026

Subject Alternative Names (2)

pewresearch.orgwww.pewresearch.org

SHA-256 Fingerprint

08:05:27:F8:1D:85:23:60:0F:E8:DA:A3:10:F7:DC:29:6E:4C:12:C2...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🟣 Private(private)

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=UTF-8

date

Mon, 16 Feb 2026 12:15:18 GMT

host-header

a9130478a60e5f9135f765b23f26593b

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

MX Records (1)

pewforum-org.mail.protection.outlook.com

Domain Information

pewforum.org

Domain Age

25y 3m

Created

31.10.2000

Expires

31.10.2026

Last Updated

04.11.2025

Registrar

eNom, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Data Protection Officer mentioned

Typography & Readability

Verdana

68/100

Readability

/30

20/40

12px · LH 1.60

Hierarchy

/20

25/25

3x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Verdana

Sans36px

Body Font

Verdana

Sans12px

Contrast Ratio

Reading Comfort

~41 CPL

Needs attention

36px

20px

12px

❌ Critical: 12px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 3.0x 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.

⚠️ Cramped layout: 64 elements lack adequate spacing.

AAdobe Fonts Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

Crazy EggSMB

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

pewresearch.org(13)googletagmanager.com(4)script.crazyegg.com(1)connect.facebook.net(1)challenges.cloudflare.com(1)

Website Identity

pewforum.org

25 years old

eNom, LLC📧 Microsoft 365

Social Profiles

Facebook X (Twitter)Instagram LinkedIn YouTube Bluesky

Sponsored

Last analyzed: 16 Feb 2026 at 12:15

Historical Analysis & Change Tracking