Tracked subprocessors 7 Subprocessor of 5 Third parties loaded 16 Loaded by 0
+ − ⟲
Not loaded by any published homepage.
7 third parties.
Name Purpose Location Listed since Amazon Web Services, Inc. Cloud hosting provider United States Oct 31, 2026 Claude (Anthropic) AI AI services provider United States Oct 31, 2026 ClickHouse, Inc. Data storage and processing United States Oct 31, 2026 Fastly, Inc. CDN Global Oct 31, 2026 MongoDB, Inc. Data storage and processing United States Oct 31, 2026 OpenAI AI AI services provider United States Oct 31, 2026 SendGrid (Twilio Inc.) Communications technology provider United States Oct 31, 2026
GrowthBook's homepage made 215 requests to 35 domains, 16 services controlled by another company, and 2 domains not identified.
Analytics (6): HubSpot, Reo.Dev, LinkedIn, Leadfeeder; usually detected as Analytics: Cloudflare, Plausible Analytics Advertising (3): Google Cloud, Sovrn, Reddit, Inc. CDN (2): jsDelivr, UNPKG Cookie compliance (1): Cookiebot Other (4): reviewed as Development: GitHub; Form builders: Default; JavaScript libraries: Webflow; Security: ClickCease™ 16 third parties by category: Analytics 6 Advertising 3 CDN 2 Cookie compliance 1 Other 4
Third parties 16 · 203 requests
Google Cloud DoubleClick Floodlight Google Analytics Google Tag Manager 26% of the page's requests 55 Webflow Webflow 1.6.0 jQuery 3.5.1 26% of the page's requests 55 jsDelivr jsDelivr 14% of the page's requests 30 HubSpot HubSpot HubSpot Analytics HubSpot Chat 12% of the page's requests 26 Cookiebot Cookiebot 2 3% of the page's requests 6 Default Default (default.com) 3% of the page's requests 6 Sovrn Sovrn 3% of the page's requests 6 Reo.Dev Reo.Dev 2% of the page's requests 5
LinkedIn Linkedin Insight Tag 1% of the page's requests 3 Reddit, Inc. Reddit Ads 1% of the page's requests 3
Cloudflare cloudflare.com <1% of the page's requests 2 Leadfeeder Leadfeeder <1% of the page's requests 2 GitHub github.com <1% of the page's requests 1 UNPKG Unpkg <1% of the page's requests 1
Unknown 2 · 3 requests
sitelytics.tech usbrowserspeed.com
First party 1 · 9 requests
GrowthBook Cloudflare Cloudflare Turnstile Finsweet GSAP 3.15.0 GrowthBook 2.0.0 HSTS HTTP/3 Lenis 1.3.17 LottieFiles Open Graph Plausible Priority Hints Swiper Webpack 4% of the page's requests 9
13 tracked companies loaded by the homepage are not in GrowthBook's subprocessor list. A website can use a service without it processing customer data.
Certified Says it complies with Certifications as GrowthBook's trust center lists them; reports are usually shared on request (evidence )
Aug 15: no incident reported Aug 16: no incident reported Aug 17: no incident reported Aug 18: no incident reported Aug 19: no incident reported Aug 20: no incident reported Aug 21: no incident reported Aug 22: no incident reported Aug 23: no incident reported Aug 24: no incident reported Aug 25: no incident reported Aug 26: no incident reported Aug 27: no incident reported Aug 28: no incident reported Aug 29: no incident reported Aug 30: no incident reported Aug 31: no incident reported Sep 1: no incident reported Sep 2: no incident reported Sep 3: no incident reported Sep 4: no incident reported Sep 5: no incident reported Sep 6: no incident reported Sep 7: no incident reported Sep 8: no incident reported Sep 9: no incident reported Sep 10: no incident reported Sep 11: no incident reported Sep 12: no incident reported Sep 13: no incident reported Sep 14: no incident reported Sep 15: no incident reported Sep 16: no incident reported Sep 17: no incident reported Sep 18: no incident reported Sep 19: no incident reported Sep 20: no incident reported Sep 21: no incident reported Sep 22: no incident reported Sep 23: no incident reported Sep 24: no incident reported Sep 25: no incident reported Sep 26: no incident reported Sep 27: no incident reported Sep 28: no incident reported Sep 29: no incident reported Sep 30: no incident reported Oct 1: no incident reported Oct 2: no incident reported Oct 3: no incident reported Oct 4: no incident reported Oct 5: no incident reported Oct 6: no incident reported Oct 7: no incident reported Oct 8: no incident reported Oct 9: no incident reported Oct 10: no incident reported Oct 11: no incident reported Oct 12: no incident reported Oct 13: no incident reported Oct 14: no incident reported Oct 15: no incident reported Oct 16: no incident reported Oct 17: no incident reported Oct 18: no incident reported Oct 19: no incident reported Oct 20: no incident reported Oct 21: no incident reported Oct 22: no incident reported Oct 23: no incident reported Oct 24: no incident reported Oct 25: no incident reported Oct 26: no incident reported Oct 27: no incident reported Oct 28: no incident reported Oct 29: no incident reported Oct 30: no incident reported Oct 31: no incident reported Nov 1: no incident reported Nov 2: no incident reported Nov 3: no incident reported Nov 4: no incident reported Nov 5: no incident reported Nov 6: no incident reported Nov 7: no incident reported Nov 8: no incident reported Nov 9: no incident reported Nov 10: no incident reported Nov 11: no incident reported Nov 12: no incident reported 90 days ago today
No incidents reported in the last 12 months The last it reported began Aug 21, 2025 : We are experiencing issues with our auth provider on GrowthBook Cloud
As GrowthBook's status page reports its own incidents (scheduled maintenance left out), read every few hours since Mar 13, 2023 (evidence )
237 reported incidents in the last 30 days, by 5 of the vendors GrowthBook lists as subprocessors.
A subprocessor list names a company, not the service an incident touched. This does not show that GrowthBook was involved.
Date Company Incident Impact Lasted Nov 12, 2026 SendGrid SMS Delivery Failures From Long Code Numbers to AT&T in the US minor ongoing Nov 11, 2026 SendGrid SMS Delivery Delays from Twilio to MTS Kazakhstan minor ongoing Nov 11, 2026 SendGrid SMS Delivery Failures from a Subset of Twilio Phone Numbers to Tcell Tajikistan minor ongoing Nov 11, 2026 OpenAI Unable to start new Workspace Agent runs critical ongoing Nov 11, 2026 SendGrid MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States minor ongoing Nov 11, 2026 SendGrid SMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan minor ongoing Nov 11, 2026 OpenAI Elevated errors affecting logins, sign-ups, and ChatGPT features minor 8 min Nov 11, 2026 SendGrid Voice Call Failures in JP1 minor 3 h 51 min Nov 11, 2026 ClickHouse Provisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyo minor 7 h 38 min Nov 11, 2026 SendGrid SMS Delivery Failures from Twilio to Turkcell Turkey minor 3 h 54 min Nov 11, 2026 SendGrid Retroactive Incident Impacting Twilio Usage APIs no impact stated 1 min Nov 10, 2026 Anthropic Elevated errors on Fable 52 and Mythos 52 no impact stated 1 min Nov 10, 2026 SendGrid Issue resolved minor 1 h 43 min Nov 10, 2026 SendGrid SMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela minor 3 h 26 min Nov 10, 2026 SendGrid Gateway API (Lookup API) Failure Increase on Verizon in United States minor 10 h 23 min Nov 10, 2026 OpenAI Incorrect cost data in Costs API exports no impact stated 2 h 20 min Nov 9, 2026 OpenAI Elevated Errors On API minor 42 min Nov 9, 2026 SendGrid WhatsApp Business API Message Send Failures minor 16 h 29 min Nov 9, 2026 OpenAI Elevated ChatGPT Conversation Errors minor 52 min Nov 9, 2026 SendGrid Voice Call Failures from a Subset of Twilio Phone Numbers to Chile minor 19 h 20 min Nov 9, 2026 SendGrid Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom minor 5 h 18 min Nov 9, 2026 SendGrid SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Italy minor 3 h 14 min Nov 9, 2026 SendGrid SMS Delivery Delays and Failures from Twilio to Spusu United Kingdom minor 3 h 26 min Nov 9, 2026 SendGrid SMS Delivery Receipt Delays from Twilio to Bouygues Telecom France minor 13 h 31 min Nov 9, 2026 SendGrid SMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes minor 8 h 40 min
And 212 more. All of them: CSV · Who is around them .
See the list as we read it on any date: Time machine
None since tracking began.