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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realclearpolitics.com

https://realclearpolitics.com· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

Mobile

Sponsored

Hosting Provider

Real Clear Politics

IP Address

66.240.200.101

Server Location

🇺🇸 Chicago, United States

ASN

AS10439

Organization

Real Clear Politics

Server

AmazonS3

CDN

CloudFront

Nameservers

ns12.dnsmadeeasy.com.ns10.dnsmadeeasy.com.ns13.dnsmadeeasy.com.ns11.dnsmadeeasy.com.+2 more

Performance

Page Speed

1.3 MB

224 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

Vue.js

Styling

Tailwind CSS

Infrastructure

Hosting

Real Clear Politics

CDN

CloudFront

Technology Stack

16 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel Segment

Libraries

Other

Frameworks

Other

Other

CSS Frameworks

Fonts

Tag Managers

Advertising

SEO Analysis

A84/100

realclearpolitics.comrealclearpolitics.com

RealClearPolitics - Live Opinion, News, Analysis, Video and Polls

RealClearPolitics (RCP) is an independent, non-partisan media company that is the trusted source for the best news, analysis and commentary.

Title Length65 chars

Recommended: 50-60 chars

Description Length140 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

10 rules

Sponsored

Security Score

26%Critical

Interactive

HTTPS

WAF

286d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Amazon

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

29.10.2025

Valid Until

26.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.realclearpolitics.comrealclearpolitics.com

SHA-256 Fingerprint

B1:99:36:E8:EA:00:A7:F2:C6:36:E7:E6:CA:14:3C:B6:BB:F6:4D:AF...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

content-encoding

📦 Gzip(gzip)

content-type

text/html

date

Fri, 13 Feb 2026 16:00:42 GMT

etag

W/"8f05e40e50456dec36ce4be9d9709486"

last-modified

Fri, 13 Feb 2026 15:44:34 GMT

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

realclearpolitics-com.mail.protection.outlook.com

Domain Information

realclearpolitics.com

Domain Age

26 years

Created

03.02.2000

Expires

03.02.2028

Last Updated

08.09.2022

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

ROBOTO + Domine

84/100

Readability

/30

32/40

15px · LH 1.60

Hierarchy

/20

25/25

2.11x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

17/20

System fonts

Heading Font

ROBOTO

Sans32px

Body Font

Domine

Sans15px

Contrast Ratio

Reading Comfort

~40 CPL

Needs attention

32px

24px

22px

15px

⚠️ Small text: 15px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.60 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.1x larger than body text.

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

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

✅ Protected text on images: Using gradient for readability.

Business & Marketing Stack

6 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

TaboolaMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

Social Media

Facebook SDKFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

27 Resources

Scripts

Styles

Async

Defer

Top Script Sources

7q3626bifvwrpn8i7.ay.delivery(6)apis.google.com(2)securepubads.g.doubleclick.net(1)statcounter.com(1)cdn.confiant-integrations.net(1)

Website Identity

Facebook X (Twitter)

Sponsored

Last analyzed: 13 Feb 2026 at 16:01

Historical Analysis & Change Tracking