# What does Buffer use? Buffer (bufferapp.com) shows public evidence of 26 tools, according to runsonwhat (last checked 2026-10-31). - Founded: 2010 - LinkedIn: https://www.linkedin.com/company/bufferapp ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | 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 | | | [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | 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 | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | Website code | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | | [Typeform](https://www.runsonwhat.com/reverse/typeform) | Marketing | Website code | | | [Help Scout](https://www.runsonwhat.com/reverse/helpscout) | Support & Docs | Email records | | | [Dub](https://www.runsonwhat.com/reverse/dub) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | ## FAQ ### What tools does Buffer use? As of October 2026, runsonwhat has found 26 tools at Buffer (bufferapp.com) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: Next.js. 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, SendGrid and CookieYes. Last checked October 31, 2026. ### What cloud does Buffer run on? Buffer uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on bufferapp.com. Amazon Web Services is used by 146,182 companies runsonwhat tracks. ### What email provider does Buffer use? Buffer uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 406,765 companies runsonwhat tracks. ### What does Buffer use for customer support? Buffer uses Zendesk for customer support and documentation, alongside Discord and Help Scout, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,432 companies runsonwhat tracks. ### What analytics tools does Buffer use? Buffer uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Segment, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on bufferapp.com. Google Analytics is used by 898,943 companies runsonwhat tracks. ### What marketing software does Buffer use? Buffer uses Mailchimp for marketing, alongside Typeform and Dub, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 117,280 companies runsonwhat tracks. ### Does Buffer use Cloudflare? Yes. runsonwhat found Cloudflare at Buffer through DNS records that point at Cloudflare and code on bufferapp.com. Cloudflare is a CDN & Edge tool used by 714,126 companies runsonwhat tracks. ### Which companies have a tech stack similar to Buffer's? The companies with the stacks most like Buffer's are Think Tribe, 8090, The Walworth Barbour American International School In Israel and PeerDB, according to runsonwhat (October 2026). Each shares 4 to 8 tools with Buffer, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Buffer uses? runsonwhat reads public records only. Of the 26 tools at Buffer, 17 were found through code on bufferapp.com, 6 through email records, 2 through DNS records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and bufferapp.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/bufferapp.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.