Default's tech stack
What does Default use?
Default (physiology.org) uses at least 25 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Google Analytics for analytics. Last checked .
- Company page
- Tools found
- 25
- Categories
- 14
- Oldest proven tool
- Sep 2024
- Last checked
- Oct 2026
Default's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
Hosting & Cloud
Application
5 tools, what the product is built with
Data & Observability
4 tools, what they measure and store
Data Pipeline
Go-to-market
7 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Support & Docs
Company Ops
7 tools, what the team runs on day to day
Email Delivery
Workspace
Finance & Legal
Security & Compliance
What changed at Default
Default tech stack FAQ
What tools does Default use?
As of October 2026, runsonwhat has found 25 tools at Default (physiology.org) in public records. Edge & Hosting: Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Crazy Egg. Go-to-market: Google Ads, Meta Pixel and Mailchimp. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 20, 2026.
What cloud does Default run on?
Default uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on physiology.org. Amazon Web Services is used by 145,982 companies runsonwhat tracks.
What email provider does Default use?
Default uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on physiology.org. Microsoft 365 is used by 715,062 companies runsonwhat tracks.
What does Default use for customer support?
Default uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Default has used it since at least September 2024. Zendesk is used by 42,238 companies runsonwhat tracks.
What analytics tools does Default use?
Default uses Google Analytics for analytics, alongside Google Tag Manager and Crazy Egg, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on physiology.org. Google Analytics is used by 888,624 companies runsonwhat tracks.
What is Default's website built with?
Default uses Progress Sitefinity for its website, according to runsonwhat (October 2026). runsonwhat found Progress Sitefinity through Progress Sitefinity code on physiology.org. Progress Sitefinity is used by 682 companies runsonwhat tracks.
How long has Default used Zendesk?
Default has used Zendesk since at least September 2024, going by the first public certificate of the physiology.org subdomain that points at Zendesk.
Does Default use jQuery?
Yes. runsonwhat found jQuery at Default through jQuery code on physiology.org. jQuery is a Frontend tool used by 920,602 companies runsonwhat tracks.
Which companies have a tech stack similar to Default's?
The companies with the stacks most like Default's are AACOM, RDO Equipment, Ixchange and Samson Rope, according to runsonwhat (October 2026). Each shares 11 to 18 tools with Default, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Default uses?
runsonwhat reads public records only. Of the 25 tools at Default, 14 were found through code on physiology.org, 7 through DNS records, 3 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and physiology.org about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.