# What does Blue J use? Blue J (bluej.com) shows public evidence of 35 tools, according to runsonwhat (last checked 2026-11-11). - Industry: Artificial Intelligence - Size: 51–200 employees - Based in: New York, United States - Founded: 2015 - LinkedIn: https://www.linkedin.com/company/bluej ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | 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 | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code | | | [Cloudinary](https://www.runsonwhat.com/reverse/cloudinary) | Media & UI | 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 | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [VWO](https://www.runsonwhat.com/reverse/vwo) | Flags & Experiments | 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 | | | [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 | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain | 2024-09 | | [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | Custom domain, DNS verification records, Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code | | | [Apollo.io](https://www.runsonwhat.com/reverse/apollo) | Sales & CRM | Website code | | | [Demandbase](https://www.runsonwhat.com/reverse/demandbase) | Sales & CRM | Website code | | | [Vector](https://www.runsonwhat.com/reverse/vector) | Sales & CRM | Website code | | | [Salesloft](https://www.runsonwhat.com/reverse/salesloft) | Sales & CRM | Website code | | | [Influ2](https://www.runsonwhat.com/reverse/influ2) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code | | | [Termly](https://www.runsonwhat.com/reverse/termly) | Security & Compliance | Website code | | | [Zapier](https://www.runsonwhat.com/reverse/zapier) | Dev Tools | DNS verification records | | | [SafeBase](https://www.runsonwhat.com/reverse/safebase) | Security & Compliance | Custom domain | | ## Recent changes at Blue J - 2026-11-03: started using [SafeBase](https://www.runsonwhat.com/reverse/safebase) - 2026-11-03: started using [Vector](https://www.runsonwhat.com/reverse/vector) ## FAQ ### What tools does Blue J use? As of November 2026, runsonwhat has found 35 tools at Blue J (bluej.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Google Workspace, reCAPTCHA and Mailchimp Transactional. Last checked November 11, 2026. ### What CRM does Blue J use? Blue J uses HubSpot for its CRM, alongside Apollo.io, Demandbase and Vector, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on bluej.com. HubSpot is used by 97,935 companies runsonwhat tracks. ### What email provider does Blue J use? Blue J uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on bluej.com. Google Workspace is used by 421,817 companies runsonwhat tracks. ### What does Blue J use for customer support? Blue J uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk, and Blue J has used it since at least September 2024. Zendesk is used by 43,776 companies runsonwhat tracks. ### What analytics tools does Blue J use? Blue J uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on bluej.com. Google Analytics is used by 904,044 companies runsonwhat tracks. ### What is Blue J's website built with? Blue J uses Webflow for its website, according to runsonwhat (November 2026). runsonwhat found Webflow through a subdomain that points at Webflow and a DNS verification record. Webflow is used by 36,412 companies runsonwhat tracks. ### How long has Blue J used Zendesk? Blue J has used Zendesk since at least September 2024, going by the first public certificate of the bluej.com subdomain that points at Zendesk. ### Does Blue J use jQuery? Yes. runsonwhat found jQuery at Blue J through jQuery code on bluej.com. jQuery is a Frontend tool used by 927,266 companies runsonwhat tracks. ### Does Blue J use AI tools? Yes. runsonwhat has found Anthropic at Blue J; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Blue J may use more AI tools than these. ### Has Blue J changed tools recently? Yes. On runsonwhat's rechecks, Blue J started using SafeBase and Vector (latest on November 3, 2026). A change counts only between two checks of bluej.com done the same way. ### Which companies have a tech stack similar to Blue J's? The companies with the stacks most like Blue J's are Replicant, CloudBolt, RELEX Solutions and Aldon, according to runsonwhat (November 2026). Each shares 12 to 23 tools with Blue J, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Blue J uses? runsonwhat reads public records only. Of the 35 tools at Blue J, 23 were found through code on bluej.com, 5 through email records, 4 through DNS records and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and bluej.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/bluej.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.