What powers psfk.com?
Last seen Jun 2026 · 27 technologies across 17 categories
Analytics
Blogs
Substack
since Apr 2025
CDN
Cloudflare
since Aug 2023
Uploadcare
since Feb 2026
Font scripts
Google Font API
since Oct 2018
IaaS
Google Cloud
since Feb 2026
Issue trackers
JavaScript frameworks
React
since Jun 2018
JavaScript libraries
Preact
since Apr 2025
Marketing automation
MailChimp
since Feb 2021
Miscellaneous
Payment processors
Stripe
since Apr 2018
Performance
Google Cloud Trace
since Feb 2026
Priority Hints
since Feb 2026
Programming languages
Node.js
since Apr 2025
Security
Cloudflare Bot Management
since Feb 2024
HSTS
since Sep 2022
UI frameworks
Radix UI
since Aug 2025
Tailwind CSS
since Apr 2022
Web frameworks
Express
since Apr 2025
Webmail
Apple iCloud Mail
since Apr 2025
Google Workspace
since Aug 2022
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| psfk | #1 | 52 |
| brazil retailers | #91 | 0 |
| confidence and knowledge graph | #36 | 0 |
| speaking workshops | #54 | 0 |
| graph reasoning | #75 | 0 |
| f k | #65 | 0 |
| foresight and insight | #63 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Open Page Rank
7.42 / 10 · ranked #22,484 of all domains
1,900 referring domains · OpenPageRank
Search traffic
52 est. monthly organic visits (US)
7 keywords in Google's top 30
Page
- Language: English
- CDN: Google
- Weight: 1.2 MB · 21 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| newsletter.psfk.com | 21 |
| www.psfk.com | 12 |
Full technology history →
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Recent changes
- dropped Bootstrap Mar 2026
- dropped Emotion Mar 2026
- dropped Font Awesome Mar 2026
- dropped Google Tag Manager Mar 2026
- dropped Intercom Mar 2026
- dropped jQuery Mar 2026
- dropped jsDelivr Mar 2026
- dropped MUI Mar 2026
- dropped Popper Mar 2026
- dropped Quill Mar 2026
- dropped Softr Mar 2026
- detected Google Cloud Feb 2026
- detected Google Cloud Trace Feb 2026
- detected Google Font API Feb 2026
- dropped Google Sign-in Feb 2026
- detected Priority Hints Feb 2026
- dropped Radix UI Feb 2026
- detected Tailwind CSS Feb 2026
- detected Uploadcare Feb 2026
- dropped Calendly Jan 2026
- dropped cdnjs Jan 2026
- dropped parcel Jan 2026
- dropped SWC Jan 2026