# What does Busuu use? Busuu (busuu.com) shows public evidence of 39 tools, according to runsonwhat (last checked 2026-10-20). ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain, Website code | 2020-02 | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain, Website code | 2016-10 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code | | | [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 | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [New Relic](https://www.runsonwhat.com/reverse/newrelic) | Monitoring | Website code | | | [Optimizely](https://www.runsonwhat.com/reverse/optimizely) | Flags & Experiments | Website code | | | [Amplitude](https://www.runsonwhat.com/reverse/amplitude) | Analytics | Website code | | | [Adjust](https://www.runsonwhat.com/reverse/adjust) | 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 | | | [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 | | | [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website config | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records, Website code | 2017-10 | | [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website config | | | [Trustpilot](https://www.runsonwhat.com/reverse/trustpilot) | Marketing | Website code | | | [Magnite](https://www.runsonwhat.com/reverse/magnite) | Ads & Pixels | Website config | | | [PubMatic](https://www.runsonwhat.com/reverse/pubmatic) | Ads & Pixels | Website config | | | [OpenX](https://www.runsonwhat.com/reverse/openx) | Ads & Pixels | Website config | | | [Amazon Publisher Services](https://www.runsonwhat.com/reverse/amazon-publisher-services) | Ads & Pixels | Website config | | | [Index Exchange](https://www.runsonwhat.com/reverse/index-exchange) | Ads & Pixels | Website config | | | [TripleLift](https://www.runsonwhat.com/reverse/triplelift) | Ads & Pixels | Website config | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain | 2026-09 | | [Bitrise](https://www.runsonwhat.com/reverse/bitrise) | Dev Tools | DNS verification records | | ## FAQ ### What tools does Busuu use? As of October 2026, runsonwhat has found 39 tools at Busuu (busuu.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: Anthropic, Stripe and MongoDB Atlas. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 20, 2026. ### What cloud does Busuu run on? Busuu uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on busuu.com, and Busuu has used it since at least February 2020. Amazon Web Services is used by 145,459 companies runsonwhat tracks. ### What email provider does Busuu use? Busuu uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 709,013 companies runsonwhat tracks. ### What does Busuu use for customer support? Busuu uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Busuu has used it since at least October 2017. Zendesk is used by 41,595 companies runsonwhat tracks. ### What payment provider does Busuu use? Busuu uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on busuu.com. Stripe is used by 27,675 companies runsonwhat tracks. ### What analytics tools does Busuu use? Busuu uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and Amplitude, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on busuu.com. Google Analytics is used by 873,615 companies runsonwhat tracks. ### How long has Busuu used Amazon CloudFront? Busuu has used Amazon CloudFront since at least October 2016, going by the first public certificate of the busuu.com subdomain that points at Amazon CloudFront. Other long-running tools at Busuu include Zendesk (since October 2017), Amazon Web Services (since February 2020) and Vanta (since September 2026). ### Does Busuu use Google Ads? Yes. runsonwhat found Google Ads at Busuu through Google Ads code on busuu.com. Google Ads is a Ads & Pixels tool used by 490,941 companies runsonwhat tracks. ### Does Busuu use AI tools? Yes. runsonwhat has found Anthropic at Busuu; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Busuu may use more AI tools than these. ### Which companies have a tech stack similar to Busuu's? The companies with the stacks most like Busuu's are GreenChef, Bitpanda, Careem and HelloFresh, according to runsonwhat (October 2026). Each shares 15 to 22 tools with Busuu, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Busuu uses? runsonwhat reads public records only. Of the 39 tools at Busuu, 14 were found through code on busuu.com, 11 through DNS records, 8 through website configuration files, 4 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and busuu.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/busuu.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.