# What does Postr use? Postr (postr.com) shows public evidence of 22 tools, according to runsonwhat (last checked 2026-10-18). - LinkedIn: https://www.linkedin.com/company/postr ## 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 | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | 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 | | | [LogRocket](https://www.runsonwhat.com/reverse/logrocket) | Monitoring | 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 | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | DNS verification records, Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Elfsight](https://www.runsonwhat.com/reverse/elfsight) | Marketing | Website code | | | [Snap Pixel](https://www.runsonwhat.com/reverse/snap-pixel) | Ads & Pixels | Website code | | | [Framer](https://www.runsonwhat.com/reverse/framer) | Website & CMS | Custom domain, Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | DNS verification records, Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | ## FAQ ### What tools does Postr use? As of October 2026, runsonwhat has found 22 tools at Postr (postr.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Google Fonts, React and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and LogRocket. Go-to-market: Google Ads, Meta Pixel and Mailchimp. Company Ops: Google Workspace, Apple Business and Amazon SES. Last checked October 18, 2026. ### What cloud does Postr run on? Postr 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 postr.com. Amazon Web Services is used by 144,878 companies runsonwhat tracks. ### What CRM does Postr use? Postr uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot code on postr.com. HubSpot is used by 92,110 companies runsonwhat tracks. ### What email provider does Postr use? Postr uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Google Workspace through a DNS verification record for Google Workspace and email records. Google Workspace is used by 397,574 companies runsonwhat tracks. ### What analytics tools does Postr use? Postr uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on postr.com. Google Analytics is used by 853,379 companies runsonwhat tracks. ### What is Postr's website built with? Postr uses Framer for its website, according to runsonwhat (October 2026). runsonwhat found Framer through a subdomain that points at Framer and code on postr.com. Framer is used by 5,913 companies runsonwhat tracks. ### Does Postr use Google Fonts? Yes. runsonwhat found Google Fonts at Postr through Google Fonts code on postr.com. Google Fonts is a Media & UI tool used by 791,675 companies runsonwhat tracks. ### Does Postr use AI tools? Yes. runsonwhat has found Anthropic at Postr; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Postr may use more AI tools than these. ### Which companies have a tech stack similar to Postr's? The companies with the stacks most like Postr's are Park National Bank, VR Bank Ravensburg-Weingarten, XXL and Tambo | Cada vez más cerca, according to runsonwhat (October 2026). Each shares 2 to 10 tools with Postr, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Postr uses? runsonwhat reads public records only. Of the 22 tools at Postr, 14 were found through code on postr.com, 6 through DNS records, 1 through email records 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 postr.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/postr.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.