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

rcn.com

https://rcn.com· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

rcn.com

Sponsored

Hosting Provider

PSI Upsilon UW

IP Address

74.85.65.246

Server Location

🇺🇸 Walla Walla, United States

ASN

AS11404

Organization

PSI Upsilon UW

Server

Apache

Nameservers

auth1.dns.rcn.net.auth3.dns.rcn.net.auth4.dns.rcn.net.auth2.dns.rcn.net.

Performance

Page Speed

2 MB

250 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

Frontend

Framework

jQuery

Styling

Bootstrap

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

PSI Upsilon UW

Detected API Sources

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

Technology Stack

24 Technologies Detected

Analytics

Microsoft Clarity Segment

Plugins

Advertising

Google Ads LinkedIn Ads TikTok Pixel Snapchat Pixel Microsoft Advertising

CSS Frameworks

Libraries

Other

Tag Managers

Other

Web Servers

SEO Analysis

A88/100

rcn.comrcn.com

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Title Length51 chars

Recommended: 50-60 chars

Description Length142 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

robots.txt

23 rules

Sitemap reference found

Sponsored

Security Score

56%Poor

Interactive

HTTPS

No WAF

229d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

GoDaddy.com, Inc.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

02.09.2025

Valid Until

04.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.astound.comastound.com

SHA-256 Fingerprint

48:F0:29:03:DF:DC:A8:E7:BD:B3:1B:17:93:2E:26:A1:C4:AE:72:DE...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

date

Mon, 16 Feb 2026 17:09:28 GMT

last-modified

Mon, 16 Feb 2026 12:42:06 GMT

server

Apache/2.4.65 (Debian) OpenSSL/1.1.1w

strict-transport-security

max-age=16000000; includeSubDomains; preload;

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

mx.rcn.com

Domain Information

rcn.com

Domain Age

28y 7m

Created

30.06.1997

Expires

29.06.2027

Last Updated

17.12.2024

Registrar

CSC Corporate Domains, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

CookieYes

Cookie Consent Banner

CookieYes

GDPR Indicators

Cookie consent banner detected

CMP: CookieYes

Data Protection Officer mentioned

Typography & Readability

HCo Gotham SSm

48/100

Readability

/30

32/40

14px · LH 1.50

Hierarchy

/20

8/25

1.37x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

HCo Gotham SSm

Sans19px

Body Font

HCo Gotham SSm

Sans14px

Contrast Ratio

Reading Comfort

~469 CPL

Needs attention

19px

35px

14px

⚠️ Small text: 14px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ Good performance: Using 1 font families keeps load times fast.

✅ Consistent design: Single font family with weight variations is a modern best practice.

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

Buy on MyFonts

Business & Marketing Stack

13 Tools Detected

Enterprise

Behavior Analytics

Microsoft ClarityFree

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

LinkedIn AdsEnterprise

TikTok PixelMid-Market

Reddit PixelMid-Market

Pinterest AdsMid-Market

Microsoft AdsEnterprise

AdRollMid-Market

Snapchat PixelMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

CookieYesSMB

Cookie consent and privacy compliance tools

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

analytics.tiktok.com(5)connect.facebook.net(3)scripts.clarity.ms(1)clarity.ms(1)googletagmanager.com(1)

Website Identity

Facebook X (Twitter)Instagram

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Last analyzed: 16 Feb 2026 at 17:09

Historical Analysis & Change Tracking