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

rolls-royce.com

https://rolls-royce.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

rolls-royce.com

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

52.17.142.199

Server Location

🇮🇪 Dublin, Ireland

ASN

AS16509

Organization

AWS EC2 (eu-west-1)

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns0.bt.net.ns2.bt.net.ns1.bt.net.

Performance

Page Speed

6.1 MB

103 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Sitecore

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

12 Technologies Detected

Analytics

CSS Frameworks

Frameworks

Libraries

UI Components

Icon Libraries

Tag Managers

Advertising

CDN

SEO Analysis

A82/100

rolls-royce.comrolls-royce.com

Rolls-Royce: Delivering complex power solutions

Rolls-Royce pioneers cutting-edge technologies that deliver clean, safe & competitive solutions to meet our planet’s vital power needs.

Title Length47 chars

Recommended: 50-60 chars

Description Length135 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

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Crawlability

Sitemap

robots.txt

70 rules

Sitemap reference found

Sponsored

A+

Security Score

91%Excellent

Interactive

HTTPS

WAF

362d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Corporation Service Company

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

22.01.2026

Valid Until

14.02.2027

OCSP Stapling

Enabled

Subject Alternative Names (3)

*.rolls-royce.comrolls-royce.comwww.mylearning.rolls-royce.com

SHA-256 Fingerprint

64:CF:BF:0A:31:14:07:5E:F4:CA:5A:56:17:F9:93:CE:7E:F8:77:9C...

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-cache)

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9cf82056def2d9d8-FRA

content-encoding

📦 Gzip(gzip)

content-security-policy

default-src 'self' *.myidx.cloud *.analytics.google.com *.go...

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mx2.rolls-royce.c3s2.iphmx.com

mx1.rolls-royce.c3s2.iphmx.com

Domain Information

rolls-royce.com

Domain Age

28y 7m

Created

22.07.1997

Expires

21.07.2026

Last Updated

17.07.2024

Registrar

CSC Corporate Domains, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Typography & Readability

Arial

54/100

Readability

/30

32/40

21px · LH 1.31

Hierarchy

/20

8/25

1.15x ratio

WCAG

/25

11/15

Contrast: undefined

Performance

/25

10/20

4 fonts

Heading Font

Arial

Sans24px

Body Font

Arial

Sans21px

Contrast Ratio

Reading Comfort

~35 CPL

Needs attention

24px

50px

30px

26px

21px

Minor Third

Scale

✅ Excellent readability: 21px body text is ideal for all devices.

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

✅ Consistent design: Single font family with weight variations is a modern best practice.

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 77 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

CookiebotMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(8)cdnjs.cloudflare.com(5)googletagmanager.com(3)cdn.jsdelivr.net(2)viz.tools.investis.com(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube

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Last analyzed: 17 Feb 2026 at 20:45

Historical Analysis & Change Tracking