# What does O'brien use? O'brien (obrien.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-21). - Industry: Education Management - Size: 11–50 employees - Based in: Snoqualmie, United States - LinkedIn: https://www.linkedin.com/company/o'brien ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Remix](https://www.runsonwhat.com/reverse/remix) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [FullStory](https://www.runsonwhat.com/reverse/fullstory) | Analytics | 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 verification records, DNS records, Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code | | | [Yotpo](https://www.runsonwhat.com/reverse/yotpo) | Marketing | Website code | | | [Kustomer](https://www.runsonwhat.com/reverse/kustomer) | Support & Docs | 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 | Email records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | ## FAQ ### What tools does O'brien use? As of October 2026, runsonwhat has found 18 tools at O'brien (obrien.com) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts, GSAP and React. Data & Observability: Google Analytics and FullStory. Go-to-market: Google Ads, Meta Pixel and Shopify. Company Ops: Microsoft 365, SendGrid and OneTrust. Last checked October 21, 2026. ### What email provider does O'brien use? O'brien 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 obrien.com. Microsoft 365 is used by 715,028 companies runsonwhat tracks. ### What does O'brien use for customer support? O'brien uses Kustomer for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Kustomer through Kustomer code on obrien.com. Kustomer is used by 133 companies runsonwhat tracks. ### What analytics tools does O'brien use? O'brien uses Google Analytics for analytics, alongside FullStory, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on obrien.com. Google Analytics is used by 888,360 companies runsonwhat tracks. ### What is O'brien's website built with? O'brien uses Shopify for its website, according to runsonwhat (October 2026). runsonwhat found Shopify through a subdomain that points at Shopify and a DNS verification record. Shopify is used by 59,880 companies runsonwhat tracks. ### What marketing software does O'brien use? O'brien uses Klaviyo for marketing, alongside Yotpo, according to runsonwhat (October 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo and code on obrien.com. Klaviyo is used by 35,505 companies runsonwhat tracks. ### Does O'brien use Google Fonts? Yes. runsonwhat found Google Fonts at O'brien through Google Fonts code on obrien.com. Google Fonts is a Media & UI tool used by 815,036 companies runsonwhat tracks. ### Does O'brien use AI tools? Yes. runsonwhat has found Anthropic at O'brien; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so O'brien may use more AI tools than these. ### Which companies have a tech stack similar to O'brien's? The companies with the stacks most like O'brien's are Roka, Burrow, Then I Met You and Jovi, according to runsonwhat (October 2026). Each shares 9 to 12 tools with O'brien, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what O'brien uses? runsonwhat reads public records only. Of the 18 tools at O'brien, 11 were found through code on obrien.com, 4 through DNS records, 2 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 obrien.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/obrien.com (updated October 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.