eFax

efax.com

3 tracked vendors name eFax as a subprocessor, including Fastmail, Infrascale and Noom. We have not found a subprocessor list published by eFax. We monitor 3 of its documents, which we last checked on Nov 12, 2026.

Subprocessors

None extracted.

Web TechnologiesCSV · Atom

eFax's homepage made 185 requests to 34 domains, 17 services controlled by another company, and 10 domains not identified.

Analytics (5): ZoomInfo, Clay, LinkedIn, G2.com; usually detected as Analytics: CloudflareAdvertising (3): Microsoft, MNTN, Inc., OpenAIMarketing automation (3): PathFactory, 6Sense Insights, Inc.; usually detected as Marketing automation: AdobeCDN (2): UNPKG, jsDelivrTag managers (1): Google CloudA/B Testing (1): OptimizelyOther (1): Geolocation: ipifyUnclassified (1): no technology detected from them: addShoppers, Inc.

17 third parties by category: Analytics 5Advertising 3Marketing automation 3CDN 2Tag managers 1A/B Testing 1Other 1Unclassified 1

Third parties 17 · 87 requests
PathFactory PathFactory 11% of the page's requests 21
Adobe typekit.net 8% of the page's requests 14
Microsoft Microsoft Advertising 5% of the page's requests 9
Cloudflare cloudflare.com 4% of the page's requests 8
Google Cloud Google Tag Manager 3% of the page's requests 6
ZoomInfo Zoominfo 3% of the page's requests 6
Clay Clay Web Intent 2% of the page's requests 4
MNTN, Inc. Mountain 2% of the page's requests 4
LinkedIn Linkedin Insight Tag 2% of the page's requests 3
OpenAI ChatGPT Ads Measurement Pixel 2% of the page's requests 3
G2.com G2 Track Your Prospects 1% of the page's requests 2
Optimizely Optimizely 1% of the page's requests 2
6Sense Insights, Inc. 6sense <1% of the page's requests 1
UNPKG Unpkg <1% of the page's requests 1
addShoppers, Inc. safeopt.com <1% of the page's requests 1
ipify ipify <1% of the page's requests 1
jsDelivr jsDelivr <1% of the page's requests 1
Unknown 10 · 29 requests

cptn.conytrng.comshop.ped2mjzob2nc713b.cloudfront.netmczbf.com52.71.121.170addshoppers.s3.amazonaws.comengage-x.iotvscipixel.comtvspix.com

First party 1 · 69 requests
eFax Adobe Fonts Amazon Web Services Bootstrap Cloudflare Cloudflare Turnstile Font Awesome Google Analytics Gravity Forms HSTS HockeyStack Max Mega Menu Microsoft Clarity MySQL Open Graph PHP Priority Hints RSS React ResolvePay Salesforce Marketing Cloud Account Engagement Typekit WP Rocket 3.24 WPML 5.3.0 WordPress WordPress Block Editor Yoast SEO 28.8 anime.js 3.1.0 core-js 3.33.3 jQuery 3.7.1 jQuery Migrate 3.4.1 jQuery UI 1.14.2 styled-components 5.3.11 37% of the page's requests 69

12 tracked companies loaded by the homepage are not in eFax's subprocessor list. A website can use a service without it processing customer data.

Subprocessor of (3)CSV · Atom

3 companies
  • Fastmail fastmail.com Support services and Business operations
  • Infrascale infrascale.com Inbound Fax (USA); Marketing and Sales Enablement
  • Noom noom.com Used for sending/receiving prior authorizations. Data elements: health data, sensitive demographic data.

ChangesCSV · Atom

None since tracking began.

Rating badge for eFax's site

eFax transparency rating

It updates with the rating.

<a href="https://thirdpartyindex.com/vendors/efax"><img src="https://thirdpartyindex.com/badge/efax.svg" alt="eFax transparency rating on Third Party Index" height="20"></a>
[![eFax transparency rating on Third Party Index](https://thirdpartyindex.com/badge/efax.svg)](https://thirdpartyindex.com/vendors/efax)