# What does Mr. Pen use? Mr. Pen (mrpen.com) shows public evidence of 24 tools, according to runsonwhat (last checked 2026-11-09). - Industry: Retail - Size: 11–50 employees - Based in: Lafayette, United States - Founded: 2016 - LinkedIn: https://www.linkedin.com/company/mrpen ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [GoDaddy](https://www.runsonwhat.com/reverse/godaddy) | DNS | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain, DNS records, Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code | | | [Jotform](https://www.runsonwhat.com/reverse/jotform) | Marketing | Website code | | | [PushOwl](https://www.runsonwhat.com/reverse/pushowl) | Marketing | Website code | | | [Attentive](https://www.runsonwhat.com/reverse/attentive) | Marketing | Website code | | | [PageFly](https://www.runsonwhat.com/reverse/pagefly) | Website & CMS | Website code | | | [Stamped](https://www.runsonwhat.com/reverse/stamped) | Marketing | Website code | | | [Magellan AI](https://www.runsonwhat.com/reverse/magellan-ai) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records | | | [Uber for Business](https://www.runsonwhat.com/reverse/uber) | Finance & Legal | DNS verification records | | ## FAQ ### What tools does Mr. Pen use? As of November 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 November 9, 2026. ### What email provider does Mr. Pen use? Mr. Pen uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on mrpen.com. Microsoft 365 is used by 734,158 companies runsonwhat tracks. ### What analytics tools does Mr. Pen use? Mr. Pen uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on mrpen.com. Google Analytics is used by 903,921 companies runsonwhat tracks. ### What is Mr. Pen's website built with? Mr. Pen uses Shopify for its website, alongside PageFly, according to runsonwhat (November 2026). runsonwhat found Shopify through a subdomain that points at Shopify and DNS records. Shopify is used by 61,490 companies runsonwhat tracks. ### What marketing software does Mr. Pen use? Mr. Pen uses Klaviyo for marketing, alongside Jotform, PushOwl and Attentive, according to runsonwhat (November 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo and code on mrpen.com. Klaviyo is used by 36,414 companies runsonwhat tracks. ### What monitoring tools does Mr. Pen use? Mr. Pen uses Datadog for monitoring, according to runsonwhat (November 2026). runsonwhat found Datadog through Datadog code on mrpen.com. Datadog is used by 11,764 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 927,221 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 Particle for Men, C. Crane Company, Joggy and Ruff Greens, according to runsonwhat (November 2026). Each shares 12 to 16 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. --- Source: runsonwhat, https://www.runsonwhat.com/company/mrpen.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.