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

denverpost.com

https://denverpost.com· First analyzed 12 Feb 2026· Updated 12 Feb 2026

Export

denverpost.com

Mobile

Sponsored

Hosting Provider

Automattic, Inc

IP Address

192.0.66.2

Server Location

🇺🇸 San Francisco, United States

ASN

AS2635

Server

Nginx

CDN

Nameservers

ns11.dnsmadeeasy.com.ns15.dnsmadeeasy.com.ns10.dnsmadeeasy.com.ns13.dnsmadeeasy.com.+2 more

Performance

Page Speed

1.1 MB

174 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.9.1

cms

CMSv1.5

by Digital First Media

View Theme

Technology Stack

17 Technologies Detected

Plugins

Dfm Trust Indicators Mng Digisubs Loader Wp Pushly Mng Cache Control

CSS Frameworks

Analytics

Libraries

Fonts

Tag Managers

Advertising

Web Servers

Customer Support

SEO Analysis

A88/100

denverpost.comdenverpost.com

The Denver Post – Colorado breaking news, sports, business, weather...

Latest Denver news, top Colorado news and local breaking news from The Denver Post, including sports, weather, traffic, business, politics, photos and video.

Title truncated.

Title Length83 chars

Recommended: 50-60 chars

Description Length157 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

8,796 URLs

robots.txt

61 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

56%Poor

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

31.12.2025

Valid Until

31.03.2026

Subject Alternative Names (2)

denverpost.comwww.denverpost.com

SHA-256 Fingerprint

3A:F6:CE:E2:38:05:A8:A0:1C:69:25:4C:73:28:5A:33:27:22:F5:F1...

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-security-policy

default-src data: 'unsafe-inline' 'unsafe-eval' https:; scri...

content-type

text/html; charset=utf-8

date

Thu, 12 Feb 2026 10:21:59 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (5)

alt2.aspmx.l.google.com

aspmx2.googlemail.com

alt1.aspmx.l.google.com

aspmx3.googlemail.com

+1 more

Domain Information

denverpost.com

Domain Age

30y 11m

Created

10.03.1995

Expires

11.03.2026

Last Updated

07.03.2025

Registrar

CSC Corporate Domains, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Osano

Cookie Consent Banner

Osano

GDPR Indicators

Cookie consent banner detected

CMP: Osano

Data Protection Officer mentioned

Typography & Readability

Helvetica

80/100

Readability

/30

32/40

16px · LH 1.25

Hierarchy

/20

25/25

2.25x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Helvetica

Sans36px

Body Font

Helvetica

Sans16px

Contrast Ratio

Reading Comfort

~49 CPL

Optimal (45–75)

36px

30px

29px

16px

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

✅ Strong hierarchy: Headlines are 2.2x 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.

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

✅ Optimal line length: ~49 characters per line is comfortable to read.

GGoogle Fonts Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OsanoMid-Market

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(4)nexus.ensighten.com(3)denverpost.com(3)tagan.adlightning.com(2)sdk.mrf.io(2)

Website Identity

denverpost.com

30 years old

CSC Corporate Domains, Inc.📧 Google Workspace

Social Profiles

YouTube

Sponsored

Last analyzed: 12 Feb 2026 at 10:22

Historical Analysis & Change Tracking