What powers feldsteins.com?
Last seen Aug 2026 · 63 technologies across 26 categories
Accessibility
UserWay
since Jul 2022
Analytics
Facebook Pixel
since Jan 2025
Google Ads Conversion Tracking
since Sep 2021
Google Analytics
since Mar 2021
Google Call Conversion Tracking
since Sep 2021
Lucky Orange
since Aug 2025
Authentication
Facebook Login
since Sep 2021
CDN
Databases
MySQL
since Mar 2021
Development
Ecommerce
Font scripts
Font Awesome
since Mar 2021
Google Font API
since Mar 2021
Hosting
GoDaddy
since Aug 2022
Issue trackers
Sentry
since Oct 2024
JavaScript frameworks
JavaScript libraries
Marketing automation
Klaviyo
since Feb 2025
Miscellaneous
PaaS
Amazon Web Services
since May 2024
Payment processors
Performance
Priority Hints
since Feb 2023
Programming languages
PHP
since Mar 2021
Retargeting
Google Remarketing Tag
since Sep 2021
Reviews
Reputon
since Aug 2026
Shopify Product Reviews
since Jul 2022
Security
Cloudflare Bot Management
since Jan 2025
HSTS
since Sep 2022
Shopify apps
HulkApps Form Builder
since Jul 2022
Tag managers
Google Tag Manager
since Mar 2021
UI frameworks
Web servers
Widgets
Facebook
since Mar 2021
FlippingBook
since Dec 2025
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 76% phone
- 24% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.47 / 10 · ranked #26,583,684 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Cloudflare
- Weight: 15.5 MB · 337 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| feldsteins.com | 46 |
| www.feldsteins.com | 26 |
Full technology history →
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