# What does Theory use? Theory (theory.com) shows public evidence of 41 tools, according to runsonwhat (last checked 2026-11-03). - Industry: Apparel & Fashion - Size: 201–1,000 employees - Based in: New York, United States - Founded: 1997 - LinkedIn: https://www.linkedin.com/company/theory ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain, 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 | | | [Global-e](https://www.runsonwhat.com/reverse/global-e) | Payments & Billing | 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Crazy Egg](https://www.runsonwhat.com/reverse/crazyegg) | Analytics | Website code | | | [Akamai mPulse](https://www.runsonwhat.com/reverse/akamai-mpulse) | Monitoring | Website code | | | [AppsFlyer](https://www.runsonwhat.com/reverse/appsflyer) | 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 | DNS verification records, Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code | | | [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [Criteo](https://www.runsonwhat.com/reverse/criteo) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code | | | [Adobe Audience Manager](https://www.runsonwhat.com/reverse/adobe-audience-manager) | Ads & Pixels | Website code | | | [Media.net](https://www.runsonwhat.com/reverse/media-net) | Ads & Pixels | Website code | | | [RTB House](https://www.runsonwhat.com/reverse/rtb-house) | Ads & Pixels | Website code | | | [Adobe Advertising](https://www.runsonwhat.com/reverse/adobe-advertising) | Ads & Pixels | Website code | | | [ID5](https://www.runsonwhat.com/reverse/id5) | Ads & Pixels | Website code | | | [Yotpo](https://www.runsonwhat.com/reverse/yotpo) | Marketing | Website code | | | [Rakuten Advertising](https://www.runsonwhat.com/reverse/rakuten-advertising) | Ads & Pixels | Website code | | | [Salesforce Commerce Cloud](https://www.runsonwhat.com/reverse/salesforce-commerce) | Website & CMS | Website code | | | [Digioh](https://www.runsonwhat.com/reverse/digioh) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [AudioEye](https://www.runsonwhat.com/reverse/audioeye) | Security & Compliance | Website code | | | [PowerDMARC](https://www.runsonwhat.com/reverse/powerdmarc) | Security & Compliance | Email records | | | [Zscaler](https://www.runsonwhat.com/reverse/zscaler) | Security & Compliance | DNS verification records | | | [Riskified](https://www.runsonwhat.com/reverse/riskified) | Security & Compliance | Website code | | ## FAQ ### What tools does Theory use? As of November 2026, runsonwhat has found 41 tools at Theory (theory.com) in public records. Edge & Hosting: Cloudflare and Akamai. Application: jQuery, Google Fonts and Global-e. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 3, 2026. ### What CRM does Theory use? Theory uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on theory.com. Salesforce is used by 35,045 companies runsonwhat tracks. ### What email provider does Theory use? Theory uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 727,757 companies runsonwhat tracks. ### What does Theory use for customer support? Theory uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on theory.com. Zendesk is used by 43,340 companies runsonwhat tracks. ### What payment provider does Theory use? Theory uses Global-e for payments and billing, according to runsonwhat (November 2026). runsonwhat found Global-e through Global-e code on theory.com. Global-e is used by 1,776 companies runsonwhat tracks. ### What analytics tools does Theory use? Theory uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Crazy Egg, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on theory.com. Google Analytics is used by 905,399 companies runsonwhat tracks. ### Does Theory use jQuery? Yes. runsonwhat found jQuery at Theory through jQuery code on theory.com. jQuery is a Frontend tool used by 929,122 companies runsonwhat tracks. ### Which companies have a tech stack similar to Theory's? The companies with the stacks most like Theory's are Helmut Lang, GoPro, Pacsun and Elisabetta Franchi Operating, according to runsonwhat (November 2026). Each shares 17 to 26 tools with Theory, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Theory uses? runsonwhat reads public records only. Of the 41 tools at Theory, 29 were found through code on theory.com, 6 through DNS records, 5 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 theory.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/theory.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.