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

grundfos.com

https://grundfos.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

grundfos.com

Sponsored

Hosting Provider

Grundfos InetNum

IP Address

193.3.2.12

Server Location

🇩🇰 Bjerringbro, Denmark

ASN

AS31131

CDN

Akamai

WAF

Akamai

Nameservers

a1-185.akam.net.a8-67.akam.net.a10-64.akam.net.a3-65.akam.net.+2 more

Performance

Page Speed

1 MB

167 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Adobe Experience Manager

Technology Stack

3 Technologies Detected

Libraries

jQuery UI

CSS Frameworks

Tailwind CSS

Customer Support

Zendesk

SEO Analysis

B78/100

grundfos.comgrundfos.com

Grundfos | Water is and has always been at the heart and soul of Gr...

Water is and has always been at the heart and soul of Grundfos. Our promise to the world is to respect, protect, and advance the flow of water.

Title truncated.

Title Length154 chars

Recommended: 50-60 chars

Description Length143 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Sponsored

Security Score

61%Fair

Interactive

HTTPS

WAF

190d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

Valid From

26.08.2025

Valid Until

26.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (7)

grundfos.com*.grundfos.comapp.grundfos.comcdnvideo.grundfos.comenaqua.grundfos.comglui.grundfos.comnet.grundfos.com

SHA-256 Fingerprint

22:F5:1D:19:3F:E0:B4:D6:6A:81:99:3A:EA:0C:75:65:40:84:52:B6...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

content-type

text/html;charset=utf-8

x-dispatcher

dispatcher4westeurope-b80

x-vhost

publish

strict-transport-security

max-age=63072000; includeSubdomains;

x-content-type-options

nosniff

x-frame-options

SAMEORIGIN

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

grundfos-com.p-v1.mx.microsoft

Domain Information

grundfos.com

Domain Age

30y 4m

Created

13.10.1995

Expires

12.10.2026

Last Updated

08.10.2025

Registrar

CSC Corporate Domains, Inc.

DNSSEC

Not Enabled

Typography & Readability

Lucida Grande

70/100

Readability

/30

25/40

24px · LH 1.00

Hierarchy

/20

25/25

2.67x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

Lucida Grande

Sans64px

Body Font

Lucida Grande

Sans24px

Contrast Ratio

Reading Comfort

~60 CPL

Optimal (45–75)

64px

40px

24px

✅ Excellent readability: 24px body text is ideal for all devices.

⚠️ Tight line spacing (1.00). Consider 1.4-1.6 for better readability.

✅ Strong hierarchy: Headlines are 2.7x larger than body text.

✅ 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.

✅ Protected text on images: Using gradient for readability.

Buy on MyFonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

27 Resources

Scripts

Styles

Async

Defer

Top Script Sources

grundfos.scene7.com(13)local(3)rum.hlx.page(1)assets.adobedtm.com(1)grundfos.com(1)

Sponsored

Last analyzed: 17 Feb 2026 at 04:26

Historical Analysis & Change Tracking