Reason Why's tech stack
What does Reason Why use?
Reason Why (reasonwhy.es) uses at least 11 tools we can see from public records, including Postmark for email delivery, OpenAI for AI, Google Workspace for email and documents and Google Analytics for analytics. Last checked .
- Industry
- Media Production
- Size
- 11–50 employees
- Based in
- Madrid, Spain
- Founded
- 2012
- Company page
- Tools found
- 11
- Categories
- 9
- Layers
- 5 of 5
- Last checked
- Nov 2026
Reason Why's stack, layer by layer
Of 11 tools, 6 came from website code, 3 from email records, 1 from DNS records and 1 from other records. 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
CDN & Edge
Application
3 tools, what the product is built with
Data & Observability
3 tools, what they measure and store
Go-to-market
2 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
Reason Why tech stack FAQ
What tools does Reason Why use?
As of November 2026, runsonwhat has found 11 tools at Reason Why (reasonwhy.es) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads and Mailchimp. Company Ops: Google Workspace and Postmark. Last checked November 6, 2026.
What email provider does Reason Why use?
Reason Why uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on reasonwhy.es. Google Workspace is used by 415,664 companies runsonwhat tracks.
What analytics tools does Reason Why use?
Reason Why uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on reasonwhy.es. Google Analytics is used by 905,805 companies runsonwhat tracks.
What marketing software does Reason Why use?
Reason Why uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 118,258 companies runsonwhat tracks.
Does Reason Why use jQuery?
Yes. runsonwhat found jQuery at Reason Why through jQuery code on reasonwhy.es. jQuery is a Frontend tool used by 929,698 companies runsonwhat tracks.
Does Reason Why use AI tools?
Yes. runsonwhat has found OpenAI at Reason Why; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Reason Why may use more AI tools than these.
How does runsonwhat know what Reason Why uses?
runsonwhat reads public records only. Of the 11 tools at Reason Why, 6 were found through code on reasonwhy.es, 3 through email records and 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and reasonwhy.es 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.