# What does PenguinLibros use? PenguinLibros (penguinlibros.com) shows public evidence of 29 tools, according to runsonwhat (last checked 2026-11-08). ## 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 | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code | | | [PayPal](https://www.runsonwhat.com/reverse/paypal) | 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 | | | [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 | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Metricool](https://www.runsonwhat.com/reverse/metricool) | Marketing | Website code | | | [Outbrain](https://www.runsonwhat.com/reverse/outbrain) | Ads & Pixels | Website code | | | [Salesforce Marketing Cloud](https://www.runsonwhat.com/reverse/sfmc) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [Imperva](https://www.runsonwhat.com/reverse/imperva) | Security & Compliance | Custom domain, Website code | | ## FAQ ### What tools does PenguinLibros use? As of November 2026, runsonwhat has found 29 tools at PenguinLibros (penguinlibros.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Cookiebot and Amazon SES. Last checked November 8, 2026. ### What cloud does PenguinLibros run on? PenguinLibros uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on penguinlibros.com. Amazon Web Services is used by 147,479 companies runsonwhat tracks. ### What CRM does PenguinLibros use? PenguinLibros uses Zoho for its CRM, according to runsonwhat (November 2026). runsonwhat found Zoho through Zoho code on penguinlibros.com. Zoho is used by 65,238 companies runsonwhat tracks. ### What email provider does PenguinLibros use? PenguinLibros uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 734,165 companies runsonwhat tracks. ### What payment provider does PenguinLibros use? PenguinLibros uses PayPal for payments and billing, according to runsonwhat (November 2026). runsonwhat found PayPal through PayPal code on penguinlibros.com. PayPal is used by 35,166 companies runsonwhat tracks. ### What analytics tools does PenguinLibros use? PenguinLibros uses Google Analytics for analytics, alongside Google Tag Manager and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on penguinlibros.com. Google Analytics is used by 903,937 companies runsonwhat tracks. ### Does PenguinLibros use jQuery? Yes. runsonwhat found jQuery at PenguinLibros through jQuery code on penguinlibros.com. jQuery is a Frontend tool used by 927,216 companies runsonwhat tracks. ### How does runsonwhat know what PenguinLibros uses? runsonwhat reads public records only. Of the 29 tools at PenguinLibros, 23 were found through code on penguinlibros.com, 3 through DNS records, 2 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 penguinlibros.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/penguinlibros.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.