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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thestranger.com

https://thestranger.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

thestranger.com

Sponsored

Hosting Provider

IP Address

209.104.5.168

Server Location

🇺🇸 Tucson, United States

ASN

AS22772

Organization

Server

Apache

Nameservers

dns1.easydns.com.dns3.easydns.org.dns2.easydns.net.dns4.easydns.info.

Performance

Page Speed

1.3 MB

69 requests

Image Optimization

WebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Tailwind CSS

Infrastructure

Hosting

Technology Stack

14 Technologies Detected

Analytics

CSS Frameworks

Fonts

Adobe Fonts (Typekit)Adobe Fonts

Meta Frameworks

Libraries

Icon Libraries

Tag Managers

Email Marketing

Web Servers

Customer Support

SEO Analysis

C64/100

thestranger.comthestranger.com

The Stranger: Seattle's Only Newspaper

The Stranger, Seattle's Only Newspaper: Covering Seattle news, politics, music, film, and arts; plus movie times, club calendars, restaurant listings, forums...

Description truncated.

Title Length38 chars

Recommended: 50-60 chars

Description Length182 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (50/54)

4 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

24 rules

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

212d

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

04.09.2025

Valid Until

17.09.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.thestranger.comthestranger.com

SHA-256 Fingerprint

FA:E4:46:F2:76:EA:D3:1C:CB:1C:CA:E3:A0:F9:CA:0B:DB:36:33:C5...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

199

cache-control

🟡 180s(max-age=180, s-maxage=180)

content-length

115558

content-type

text/html; charset=utf-8

date

Tue, 17 Feb 2026 03:42:29 GMT

expires

Wed, 18 Feb 2026 03:39:14 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

ALT2.ASPMX.L.GOOGLE.com

ALT3.ASPMX.L.GOOGLE.com

ASPMX.L.GOOGLE.com

ALT4.ASPMX.L.GOOGLE.com

+1 more

Domain Information

thestranger.com

Domain Age

30y 12m

Created

27.02.1995

Expires

28.02.2027

Last Updated

28.01.2026

Registrar

Gandi SAS

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Helvetica Neue + system-ui

83/100

Readability

/30

40/40

16px · LH 1.50

Hierarchy

/20

21/25

3x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

17/20

System fonts

Heading Font

Helvetica Neue

Sans48px

Body Font

system-ui

Sans16px

Contrast Ratio

Reading Comfort

Dual Sans-Serif

center aligned

48px

32px

23px

22px

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 3.0x larger than body text.

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

⚠️ Cramped layout: 94 elements lack adequate spacing.

⚠️ Inconsistent alignment: Mix of left/center/right creates visual noise.

AAdobe Fonts Buy on MyFonts

Business & Marketing Stack

5 Tools Detected

Enterprise

Marketing Automation

MailchimpSMB

Email marketing and automation platforms

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Social Media

Facebook SDKFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

14 Resources

Scripts

Styles

Async

Defer

Top Script Sources

connect.facebook.net(4)googletagmanager.com(2)local(2)code.jquery.com(1)cdn.jsdelivr.net(1)

Website Identity

Facebook Instagram Bluesky

Sponsored

Last analyzed: 17 Feb 2026 at 03:42

Historical Analysis & Change Tracking