# What does IFFR use? IFFR (iffr.com) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-11-08). - Industry: Entertainment - Size: 11–50 employees - Based in: Rotterdam, Netherlands - Founded: 1972 - LinkedIn: https://www.linkedin.com/company/international-film-festival-rotterdam ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain | | | [GitHub Pages](https://www.runsonwhat.com/reverse/github-pages) | Hosting & Cloud | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | 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 | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | ## 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 | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records, Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Custom domain, Email records, Website code | | | [Queue-it](https://www.runsonwhat.com/reverse/queue-it) | Security & Compliance | Website code | | ## Recent changes at IFFR - 2026-11-08: stopped using [Algolia](https://www.runsonwhat.com/reverse/algolia) - 2026-11-08: started using [GitHub Pages](https://www.runsonwhat.com/reverse/github-pages) ## FAQ ### What tools does IFFR use? As of November 2026, runsonwhat has found 19 tools at IFFR (iffr.com) in public records. Edge & Hosting: Cloudflare, Google Cloud and GitHub Pages. Application: jQuery and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Google Workspace, Cookiebot and Mailchimp Transactional. Last checked November 8, 2026. ### What cloud does IFFR run on? IFFR uses Google Cloud for hosting and cloud infrastructure, alongside GitHub Pages, according to runsonwhat (November 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 78,024 companies runsonwhat tracks. ### What email provider does IFFR use? IFFR uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 421,822 companies runsonwhat tracks. ### What analytics tools does IFFR use? IFFR uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on iffr.com. Google Analytics is used by 904,092 companies runsonwhat tracks. ### What is IFFR's website built with? IFFR uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on iffr.com. WordPress is used by 606,937 companies runsonwhat tracks. ### What marketing software does IFFR use? IFFR uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp and code on iffr.com. Mailchimp is used by 119,257 companies runsonwhat tracks. ### Does IFFR use jQuery? Yes. runsonwhat found jQuery at IFFR through jQuery code on iffr.com. jQuery is a Frontend tool used by 927,275 companies runsonwhat tracks. ### Has IFFR changed tools recently? Yes. On runsonwhat's rechecks, IFFR started using GitHub Pages (latest on November 8, 2026) and stopped using Algolia (latest on November 8, 2026). A change counts only between two checks of iffr.com done the same way. ### Which companies have a tech stack similar to IFFR's? The companies with the stacks most like IFFR's are Circus Roncalli, MidaTicket, GAP and ID.me, according to runsonwhat (November 2026). Each shares 5 to 11 tools with IFFR, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what IFFR uses? runsonwhat reads public records only. Of the 19 tools at IFFR, 12 were found through code on iffr.com, 3 through email records, 3 through subdomains that point at the vendor and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and iffr.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/iffr.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.