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

lexus.com

https://lexus.com· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

lexus.com

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

76.223.71.125

Server Location

🇺🇸 Seattle, United States

ASN

AS16509

Organization

AWS Global Accelerator (GLOBAL)

CDN

Fastly

Nameservers

pdns102.ultradns.biz.pdns102.ultradns.com.pdns102.ultradns.net.pdns102.ultradns.org.+1 more

Performance

Page Speed

2.4 MB

250 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Adobe Experience Manager

Technology Stack

10 Technologies Detected

Advertising

Google Ads LinkedIn Ads Snapchat Pixel Microsoft Advertising

CSS Frameworks

Analytics

Security

CDN

SEO Analysis

C62/100

lexus.comlexus.com

Lexus | Experience Amazing

Welcome to Lexus; official site. Explore the line of Lexus luxury sedans, SUVs, hybrids, performance cars and accessories, or find a Lexus dealer near you.

Title Length26 chars

Recommended: 50-60 chars

Description Length155 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

601 URLs

robots.txt

5 rules

Sitemap reference found

Sponsored

A+

Security Score

93%Excellent

Static / Informational

HTTPS

No WAF

316d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Amazon

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

04.12.2025

Valid Until

02.01.2027

OCSP Stapling

Enabled

Subject Alternative Names (1)

*.lexus.com

SHA-256 Fingerprint

62:90:87:6B:5F:10:8D:36:5A:85:CA:D8:60:D4:B1:7C:68:CF:F5:D8...

Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

153816

cache-control

🟡 300s(max-age=300, public)

content-encoding

📦 Gzip(gzip)

content-length

3976

content-security-policy-report-only

default-src 'self' *.lexus.com login.microsoftonline.com; fr...

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

mxa-001f1301.gslb.pphosted.com

mxb-001f1301.gslb.pphosted.com

Domain Information

lexus.com

Domain Age

33y 1m

Created

22.01.1993

Expires

23.01.2028

Last Updated

07.01.2026

Registrar

MarkMonitor Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Data Protection Officer mentioned

Typography & Readability

nobel

61/100

Readability

/30

32/40

14px · LH 1.43

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

nobel

Sans

Body Font

nobel

Sans14px

Contrast Ratio

Reading Comfort

~44 CPL

Needs attention

24px

14px

Minor Second

Scale

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

✅ Optimal line spacing: 1.43 ratio ensures comfortable reading.

✅ 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: 20 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

10 Tools Detected

Enterprise

Behavior Analytics

Google AnalyticsFree

HotjarMid-Market

Google Tag ManagerFree

ContentsquareEnterprise

User behavior and product analytics

Advertising

Snapchat PixelMid-Market

Facebook PixelMid-Market

LinkedIn AdsEnterprise

Pinterest AdsMid-Market

Reddit PixelMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

CookiebotMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(13)tagging.shiftdigitalapps.io(1)local(1)s.tribalfusion.com(1)pixel.mathtag.com(1)

Website Identity

Facebook Instagram TikTok Pinterest

Sponsored

Last analyzed: 20 Feb 2026 at 12:48

Historical Analysis & Change Tracking