runsonwhat

Mr. Pen's tech stack

What does Mr. Pen use?

Mr. Pen (mrpen.com) uses at least 24 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Shopify for its website and Klaviyo for marketing. Last checked .

Industry
Retail
Size
11–50 employees
Based in
Lafayette, United States
Founded
2016
LinkedIn
Company page
Re-check liveVisit mrpen.com
Tools found
24
Categories
13
Layers
5 of 5
Last checked
Oct 2026

Mr. Pen'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

CDN & Edge

DNS

Application

4 tools, what the product is built with

Frontend

AI

Media & UI

Data & Observability

3 tools, what they measure and store

Monitoring

Analytics

Go-to-market

12 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Company Ops

3 tools, what the team runs on day to day

Email Delivery

Workspace

Finance & Legal

Companies like Mr. Pen also use

Tools common among companies with a similar stack that we haven't found at Mr. Pen.

Companies with a stack like Mr. Pen's

Ranked by shared tools, with rare tools counting more.

More Retail companies

Other Retail companies we've checked.

Mr. Pen tech stack FAQ

What tools does Mr. Pen use?

As of October 2026, runsonwhat has found 24 tools at Mr. Pen (mrpen.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: jQuery, Google Fonts and React. Data & Observability: Google Analytics, Google Tag Manager and Datadog. Go-to-market: Google Ads, Meta Pixel and Shopify. Company Ops: Microsoft 365, SendGrid and Uber for Business. Last checked October 23, 2026.

What email provider does Mr. Pen use?

Mr. Pen 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 code on mrpen.com. Microsoft 365 is used by 713,653 companies runsonwhat tracks.

What analytics tools does Mr. Pen use?

Mr. Pen uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on mrpen.com. Google Analytics is used by 885,940 companies runsonwhat tracks.

What is Mr. Pen's website built with?

Mr. Pen uses Shopify for its website, alongside PageFly, according to runsonwhat (October 2026). runsonwhat found Shopify through a subdomain that points at Shopify and DNS records. Shopify is used by 59,734 companies runsonwhat tracks.

What marketing software does Mr. Pen use?

Mr. Pen uses Klaviyo for marketing, alongside PushOwl, Jotform and Attentive, according to runsonwhat (October 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo and code on mrpen.com. Klaviyo is used by 35,387 companies runsonwhat tracks.

What monitoring tools does Mr. Pen use?

Mr. Pen uses Datadog for monitoring, according to runsonwhat (October 2026). runsonwhat found Datadog through Datadog code on mrpen.com. Datadog is used by 11,533 companies runsonwhat tracks.

Does Mr. Pen use jQuery?

Yes. runsonwhat found jQuery at Mr. Pen through jQuery code on mrpen.com. jQuery is a Frontend tool used by 919,175 companies runsonwhat tracks.

Which companies have a tech stack similar to Mr. Pen's?

The companies with the stacks most like Mr. Pen's are C. Crane Company, Xero Shoes, Hype and Vice and Insane Labz, according to runsonwhat (October 2026). Each shares 12 to 18 tools with Mr. Pen, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Mr. Pen uses?

runsonwhat reads public records only. Of the 24 tools at Mr. Pen, 16 were found through code on mrpen.com, 4 through DNS records, 2 through subdomains that point at the vendor, 1 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and mrpen.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.