The I/O's tech stack
What does The I/O use?
The I/O (theio.com) uses at least 15 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Umbraco for its website. Last checked .
- Industry
- Health, Wellness and Fitness
- Size
- 11–50 employees
- Based in
- San Pedro De Alcántara, Spain
- Founded
- 2021
- Company page
- Tools found
- 15
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Oct 2026
The I/O'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
1 tool, where the bytes are served from
Hosting & Cloud
Application
2 tools, what the product is built with
Media & UI
Data & Observability
2 tools, what they measure and store
Go-to-market
4 tools, how they find and keep customers
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Security & Compliance
The I/O tech stack FAQ
What tools does The I/O use?
As of October 2026, runsonwhat has found 15 tools at The I/O (theio.com) in public records. Edge & Hosting: Microsoft Azure. Application: Google Fonts and Anthropic. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Meta Pixel, Umbraco and GetResponse. Company Ops: Microsoft 365, SendGrid and Atlassian. Last checked October 23, 2026.
What cloud does The I/O run on?
The I/O uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through Microsoft Azure code on theio.com. Microsoft Azure is used by 48,036 companies runsonwhat tracks.
What email provider does The I/O use?
The I/O uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 715,596 companies runsonwhat tracks.
What analytics tools does The I/O use?
The I/O uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on theio.com. Google Analytics is used by 898,581 companies runsonwhat tracks.
What is The I/O's website built with?
The I/O uses Umbraco for its website, according to runsonwhat (October 2026). runsonwhat found Umbraco through Umbraco code on theio.com. Umbraco is used by 1,731 companies runsonwhat tracks.
What marketing software does The I/O use?
The I/O uses GetResponse for marketing, alongside APSIS, according to runsonwhat (October 2026). runsonwhat found GetResponse through email records that authorize GetResponse. GetResponse is used by 1,473 companies runsonwhat tracks.
Does The I/O use Google Fonts?
Yes. runsonwhat found Google Fonts at The I/O through Google Fonts code on theio.com. Google Fonts is a Media & UI tool used by 820,496 companies runsonwhat tracks.
Does The I/O use AI tools?
Yes. runsonwhat has found Anthropic at The I/O; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so The I/O may use more AI tools than these.
Which companies have a tech stack similar to The I/O's?
The companies with the stacks most like The I/O's are Stiftelsen för strategisk forskning, DF Kompetens, OBOS and Isännöintiliitto, according to runsonwhat (October 2026). Each shares 4 to 9 tools with The I/O, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what The I/O uses?
runsonwhat reads public records only. Of the 15 tools at The I/O, 7 were found through code on theio.com, 5 through email records and 3 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and theio.com 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.