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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uchile.cl

https://uchile.cl· First analyzed 13 Feb 2026· Updated 13 Feb 2026

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uchile.cl

$Desktop screenshot of uchile.cl$

$Mobile screenshot of uchile.cl$

Mobile

Sponsored

Hosting Provider

Universidad de Chile

IP Address

200.89.76.36

Server Location

🇨🇱 Santiago, Chile

ASN

AS23140

Organization

Universidad de Chile

Server

Nginx

CDN

Nameservers

ns1.uchile.cl.ns5.uchile.cl.ns4.uchile.cl.ns2.uchile.cl.

Performance

Page Speed

2.3 MB

88 requests

Image Optimization

WebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Universidad de Chile

CDN

Technology Stack

10 Technologies Detected

Analytics

UI Components

Meta Frameworks

Libraries

CSS Frameworks

Fonts

Web Servers

SEO Analysis

A80/100

uchile.cluchile.cl

Universidad de Chile

Principal institución del Estado en educación superior pública, fundada en 1842. Carreras de pregrado, postgrado y postítulo, investigación y extensión.

Title Length20 chars

Recommended: 50-60 chars

Description Length152 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

8 rules

Sponsored

Security Score

22%Critical

No SSL

No WAF

N/A

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

178

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-length

14071

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

ASPMX.L.GOOGLE.COM

ALT4.ASPMX.L.GOOGLE.COM

ALT2.ASPMX.L.GOOGLE.COM

ALT3.ASPMX.L.GOOGLE.COM

+1 more

Domain Information

uchile.cl

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

Typography & Readability

Raleway + sans-serif

59/100

Readability

/30

25/40

17px · LH 1.15

Hierarchy

/20

13/25

1.5x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Raleway

Sans26px

Body Font

sans-serif

Sans17px

Contrast Ratio

Reading Comfort

~38 CPL

Needs attention

26px

25px

18px

14px

17px

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

⚠️ Tight line spacing (1.15). Consider 1.4-1.6 for better readability.

✅ Good hierarchy: Clear distinction between headlines and 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.

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

GGoogle Fonts Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

HotjarMid-Market

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Sponsored

Scripts & Styles

23 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(6)cse.google.com(2)googletagmanager.com(1)static.hotjar.com(1)google.com(1)

Website Identity

Facebook X (Twitter)Instagram Threads Bluesky

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Last analyzed: 13 Feb 2026 at 14:36

Historical Analysis & Change Tracking