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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popsugar.com

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

Export

popsugar.com

Mobile

Sponsored

Hosting Provider

Fastly, Inc.

IP Address

151.101.129.91

Server Location

🇨🇦 Montreal, Canada

ASN

AS54113

Organization

Fastly, Inc.

Server

Nginx

CDN

Fastly

Nameservers

ns-1370.awsdns-43.org.ns-164.awsdns-20.com.ns-1799.awsdns-32.co.uk.ns-850.awsdns-42.net.

Performance

Page Speed

953 KB

110 requests

Image Optimization

Lazy LoadResponsiveThumbor

0–49

50–89

90–100

Architecture Stack

Hybrid

⚙️ SSR

Frontend

Framework

Next.js

Infrastructure

Hosting

Fastly, Inc.

CDN

Fastly

Technology Stack

12 Technologies Detected

Analytics

Frameworks

Meta Frameworks

CSS Frameworks

Tag Managers

Advertising

Web Servers

Security

SEO Analysis

A82/100

popsugar.compopsugar.com

PS

PS makes wellness more accessible through real-life stories, first-person perspectives, and expert-backed information. Our staff of journalists and subject-m...

Description truncated.

Title Length2 chars

Recommended: 50-60 chars

Description Length452 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

81 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

41%Poor

Interactive

HTTPS

No WAF

78d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

01.02.2026

Valid Until

02.05.2026

Subject Alternative Names (20)

*.onsugar.com*.popsu.gr*.popsugar-assets.com*.popsugar.co.uk*.popsugar.com*.popsugar.fr*.popsugar.tv*.popsugarfood.com+12 more

SHA-256 Fingerprint

4B:BF:EF:27:42:EA:A2:E6:1A:8B:C2:95:13:75:F5:F9:81:C9:38:AC...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

1200

cache-control

⚪ Custom(must-revalidate)

content-encoding

📦 Gzip(gzip)

content-length

158110

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (5)

aspmx.l.google.com

alt3.aspmx.l.google.com

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

+1 more

Domain Information

popsugar.com

Domain Age

22 years

Created

08.02.2004

Expires

08.02.2027

Last Updated

04.01.2026

Registrar

Amazon Registrar, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner

OneTrust

GDPR Indicators

Cookie consent banner detected

CMP: OneTrust

Data Protection Officer mentioned

Typography & Readability

Times New Roman

63/100

Readability

/30

32/40

16px · LH 1.25

Hierarchy

/20

8/25

1x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Times New Roman

Serif16px

Body Font

Times New Roman

Serif16px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

16px

38px

16px

Augmented Fourth

Scale

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

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

✅ 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.

⚠️ Cramped layout: 71 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

20 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(11)googletagmanager.com(3)youtube.com(1)sb.scorecardresearch.com(1)google-analytics.com(1)

Website Identity

popsugar.com

22 years old

Amazon Registrar, Inc.📧 Google Workspace

Social Profiles

Facebook Instagram TikTok Pinterest Bluesky

Sponsored

Last analyzed: 12 Feb 2026 at 15:17

Historical Analysis & Change Tracking