What powers envelopes.com?
Last seen May 2026 · 55 technologies across 29 categories
A/B Testing
Optimizely
since Apr 2018
Accessibility
AccessiBe
since Dec 2024
Advertising
Analytics
Google Analytics
since Jun 2018
Google Analytics Enhanced eCommerce
since Jun 2018
Inspectlet
since Jun 2018
Linkedin Insight Tag
since Dec 2025
PostHog
since Jun 2025
Quantcast Measure
since Jan 2019
Cache Tools
RackCache
since Jul 2019
CDN
Cloudflare
since Nov 2018
Cookie compliance
AdRoll CMP System
since Apr 2025
Databases
MySQL
since Dec 2023
Ecommerce
Cart Functionality
since Aug 2020
Google Workspace
since Aug 2022
Font scripts
Google Font API
since Jul 2019
Form builders
Digioh
since Apr 2025
Klaviyo Forms
since Jun 2025
JavaScript frameworks
JavaScript Libraries
Live chat
Marketing automation
Klaviyo
since Jun 2025
PaaS
Platform.sh
since Dec 2023
Performance
Priority Hints
since Feb 2026
Programming Languages
Reverse proxies
Nginx
since Apr 2018
RUM
New Relic
since Dec 2023
Search engines
Searchspring
since Jul 2025
Security
Tag managers
Google Tag Manager
since Apr 2018
UI frameworks
Video players
Vimeo
since Dec 2023
Web Frameworks
Ruby on Rails
since Jul 2019
Web servers
OpenResty
since Mar 2020
Widgets
Facebook
since Jun 2018
Google Plus
since Apr 2018
Audience
- 87% desktop
- 13% phone
United States
India
Canada
Philippines
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.48 / 10 · ranked #911,455 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0.25 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 7.6 MB · 445 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.envelopes.com | 38 |
| m.envelopes.com | 18 |
| support.envelopes.com | 16 |
| envelopes.envelopes.com | 14 |
Full technology history →
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Recent changes
- dropped Azure Feb 2026
- dropped Convert Feb 2026
- dropped Klaviyo Data Platform Feb 2026
- dropped Microsoft Clarity Feb 2026
- dropped Pinterest Conversion Tag Feb 2026
- dropped Amazon ALB Aug 2025
- dropped Amazon Web Services Aug 2025
- dropped Animate.css Aug 2025
- dropped Listrak Aug 2025
- dropped Matomo Analytics Aug 2025