What powers knuthmarf.com?
Last seen Jun 2026 · 28 technologies across 11 categories
Analytics
Google Analytics
since Sep 2022
CDN
Cross border ecommerce
Ecommerce
Cart Functionality
since Apr 2022
Shopify
since Apr 2022
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Payment processors
American Express
since Apr 2022
Apple Pay
since Apr 2022
Google Pay
since Apr 2022
Mastercard
since Apr 2022
PayPal
since Apr 2022
Shop Pay
since Apr 2022
Visa
since Apr 2022
Performance
Priority Hints
since Feb 2023
Security
HSTS
since Sep 2022
Shopify apps
Hextom Ultimate Sales Boost
since Jul 2022
HulkApps Infinite Product Options
since Jul 2024
Shopify Chat
since Feb 2023
Tag managers
Google Tag Manager
since Oct 2023
Audience
- 56% phone
- 44% desktop
Japan
Taiwan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.91 / 10 · ranked #14,332,258 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 5.8 MB · 333 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Lodash Mar 2026
- detected American Express Dec 2025