# What does Certisign use? Certisign (certisign.com.br) shows public evidence of 34 tools, according to runsonwhat (last checked 2026-10-21). - Industry: IT Services - Size: 201–1,000 employees - Based in: Tôrre De Pedra, Brazil - Founded: 1996 - LinkedIn: https://www.linkedin.com/company/certisign ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | ## 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 | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Vue.js](https://www.runsonwhat.com/reverse/vue) | 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 | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [Matomo](https://www.runsonwhat.com/reverse/matomo) | Analytics | Website code | | | [Dynatrace](https://www.runsonwhat.com/reverse/dynatrace) | Monitoring | DNS verification records | | | [Qualtrics](https://www.runsonwhat.com/reverse/qualtrics) | Analytics | Email records | | ## 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 | | | [WhatsApp Business](https://www.runsonwhat.com/reverse/whatsapp) | Support & Docs | Website code | | | [Elementor](https://www.runsonwhat.com/reverse/elementor) | 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 | | | [WooCommerce](https://www.runsonwhat.com/reverse/woocommerce) | Website & CMS | Website code | | | [Taboola](https://www.runsonwhat.com/reverse/taboola) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | 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 | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | DNS verification records | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [AdOpt](https://www.runsonwhat.com/reverse/adopt) | Security & Compliance | Website code | | ## Recent changes at Certisign - 2026-10-21: started using [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) - 2026-10-21: stopped using [New Relic](https://www.runsonwhat.com/reverse/newrelic) ## FAQ ### What tools does Certisign use? As of October 2026, runsonwhat has found 34 tools at Certisign (certisign.com.br) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 21, 2026. ### What email provider does Certisign use? Certisign uses Microsoft 365 for email and office software, 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 710,122 companies runsonwhat tracks. ### What does Certisign use for customer support? Certisign uses WhatsApp Business for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found WhatsApp Business through WhatsApp Business code on certisign.com.br. WhatsApp Business is used by 135,398 companies runsonwhat tracks. ### What analytics tools does Certisign use? Certisign uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and Matomo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on certisign.com.br. Google Analytics is used by 878,137 companies runsonwhat tracks. ### What is Certisign's website built with? Certisign uses WordPress for its website, alongside Yoast SEO, Elementor and WooCommerce, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on certisign.com.br. WordPress is used by 596,079 companies runsonwhat tracks. ### What monitoring tools does Certisign use? Certisign uses Dynatrace for monitoring, according to runsonwhat (October 2026). runsonwhat found Dynatrace through a DNS verification record for Dynatrace. Dynatrace is used by 4,601 companies runsonwhat tracks. ### Does Certisign use jQuery? Yes. runsonwhat found jQuery at Certisign through jQuery code on certisign.com.br. jQuery is a Frontend tool used by 914,571 companies runsonwhat tracks. ### Does Certisign use AI tools? Yes. runsonwhat has found Anthropic at Certisign; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Certisign may use more AI tools than these. ### Has Certisign changed tools recently? Yes. On runsonwhat's rechecks, Certisign started using Font Awesome (latest on October 21, 2026) and stopped using New Relic (latest on October 21, 2026). A change counts only between two checks of certisign.com.br done the same way. ### Which companies have a tech stack similar to Certisign's? The companies with the stacks most like Certisign's are Iterative, Loupen, Engeflex and Santa Casa de Misericórdia de Itajubá, according to runsonwhat (October 2026). Each shares 8 to 12 tools with Certisign, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Certisign uses? runsonwhat reads public records only. Of the 34 tools at Certisign, 22 were found through code on certisign.com.br, 10 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and certisign.com.br about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/certisign.com.br (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.