# What does Celtra Inc. use? Celtra Inc. (celtra.com) shows public evidence of 38 tools, according to runsonwhat (last checked 2026-11-08). - Size: 51–200 employees - LinkedIn: https://www.linkedin.com/company/celtra ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [WP Engine](https://www.runsonwhat.com/reverse/wpengine) | Hosting & Cloud | Website code | | | [Heroku](https://www.runsonwhat.com/reverse/heroku) | Hosting & Cloud | Custom domain | 2017-09 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [MongoDB Atlas](https://www.runsonwhat.com/reverse/mongodb) | Backend & Database | DNS verification records | | ## 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 | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [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 | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | DNS verification records, Email records, Website code | | | [G2](https://www.runsonwhat.com/reverse/g2) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | 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 | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Rippling](https://www.runsonwhat.com/reverse/rippling) | People & HR | DNS verification records | | | [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain | 2026-05 | | [NetSuite](https://www.runsonwhat.com/reverse/netsuite) | Finance & Legal | Email records | | ## FAQ ### What tools does Celtra use? As of November 2026, runsonwhat has found 38 tools at Celtra (celtra.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Vimeo and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked November 8, 2026. ### What cloud does Celtra run on? Celtra uses Amazon Web Services for hosting and cloud infrastructure, alongside WP Engine and Heroku, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on celtra.com. Amazon Web Services is used by 147,350 companies runsonwhat tracks. ### What CRM does Celtra use? Celtra uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on celtra.com. HubSpot is used by 97,438 companies runsonwhat tracks. ### What email provider does Celtra use? Celtra 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. Microsoft 365 is used by 731,958 companies runsonwhat tracks. ### What does Celtra use for customer support? Celtra uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on celtra.com. Zendesk is used by 43,552 companies runsonwhat tracks. ### What analytics tools does Celtra use? Celtra 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 celtra.com. Google Analytics is used by 903,832 companies runsonwhat tracks. ### How long has Celtra used Heroku? Celtra has used Heroku since at least September 2017, going by the first public certificate of the celtra.com subdomain that points at Heroku. Other long-running tools at Celtra include Vanta (since May 2026). ### Does Celtra use jQuery? Yes. runsonwhat found jQuery at Celtra through jQuery code on celtra.com. jQuery is a Frontend tool used by 927,178 companies runsonwhat tracks. ### Does Celtra use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Celtra; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Celtra may use more AI tools than these. ### Which companies have a tech stack similar to Celtra's? The companies with the stacks most like Celtra's are Rogers Sporting Goods, 100%, Jit Truck Parts™ and Human Touch, according to runsonwhat (November 2026). Each shares 11 to 15 tools with Celtra, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Celtra uses? runsonwhat reads public records only. Of the 38 tools at Celtra, 16 were found through code on celtra.com, 14 through DNS records, 6 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and celtra.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/celtra.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.