# What does Elfsight use? Elfsight (elfsight.com) shows public evidence of 25 tools, according to runsonwhat (last checked 2026-10-20). ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [MCP Registry](https://www.runsonwhat.com/reverse/mcp-registry) | AI | DNS verification records | | | [Paddle](https://www.runsonwhat.com/reverse/paddle) | 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 | | ## 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 | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Help Scout](https://www.runsonwhat.com/reverse/helpscout) | Support & Docs | Email records | | | [Discourse](https://www.runsonwhat.com/reverse/discourse) | Support & Docs | Custom domain | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records | | | [Detectify](https://www.runsonwhat.com/reverse/detectify) | Security & Compliance | DNS verification records, Website code | | ## Recent changes at Elfsight - 2026-10-20: started using [MCP Registry](https://www.runsonwhat.com/reverse/mcp-registry) ## FAQ ### What tools does Elfsight use? As of October 2026, runsonwhat has found 25 tools at Elfsight (elfsight.com) in public records. Edge & Hosting: Cloudflare. Application: YouTube, React and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Google Workspace, SendGrid and Atlassian. Last checked October 20, 2026. ### What email provider does Elfsight use? Elfsight uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on elfsight.com. Google Workspace is used by 402,386 companies runsonwhat tracks. ### What does Elfsight use for customer support? Elfsight uses Help Scout for customer support and documentation, alongside Discourse, according to runsonwhat (October 2026). runsonwhat found Help Scout through email records that authorize Help Scout. Help Scout is used by 2,897 companies runsonwhat tracks. ### What payment provider does Elfsight use? Elfsight uses Paddle for payments and billing, according to runsonwhat (October 2026). runsonwhat found Paddle through Paddle code on elfsight.com. Paddle is used by 457 companies runsonwhat tracks. ### What analytics tools does Elfsight use? Elfsight uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on elfsight.com. Google Analytics is used by 879,330 companies runsonwhat tracks. ### What is Elfsight's website built with? Elfsight uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on elfsight.com. WordPress is used by 596,767 companies runsonwhat tracks. ### Does Elfsight use Cloudflare? Yes. runsonwhat found Cloudflare at Elfsight through DNS records that point at Cloudflare and code on elfsight.com. Cloudflare is a CDN & Edge tool used by 702,828 companies runsonwhat tracks. ### Does Elfsight use AI tools? Yes. runsonwhat has found OpenAI and MCP Registry at Elfsight; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Elfsight may use more AI tools than these. ### Has Elfsight changed tools recently? Yes. On runsonwhat's rechecks, Elfsight started using MCP Registry (latest on October 20, 2026). A change counts only between two checks of elfsight.com done the same way. ### Which companies have a tech stack similar to Elfsight's? The companies with the stacks most like Elfsight's are Brilliant, Morningscore, Roic AI and Octri, according to runsonwhat (October 2026). Each shares 8 to 11 tools with Elfsight, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Elfsight uses? runsonwhat reads public records only. Of the 25 tools at Elfsight, 13 were found through code on elfsight.com, 6 through DNS records, 4 through email records, 1 through website configuration files 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 elfsight.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/elfsight.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.