# What does www.crossref.org use? www.crossref.org (crossref.org) shows public evidence of 20 tools, according to runsonwhat (last checked 2026-10-07). - LinkedIn: https://www.linkedin.com/company/crossref ## 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 | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [Algolia](https://www.runsonwhat.com/reverse/algolia) | Search | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Matomo](https://www.runsonwhat.com/reverse/matomo) | Analytics | Website code | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Custom domain, DNS verification records, Email records, Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records, Website code | | | [Act-On](https://www.runsonwhat.com/reverse/act-on) | Marketing | Email records, Website code | | | [Discourse](https://www.runsonwhat.com/reverse/discourse) | Support & Docs | Custom domain | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Sage Intacct](https://www.runsonwhat.com/reverse/sage-intacct) | Finance & Legal | DNS verification records, Email records | | | [Usersnap](https://www.runsonwhat.com/reverse/usersnap) | Dev Tools | Website code | | ## FAQ ### What tools does www.crossref.org use? As of October 2026, runsonwhat has found 20 tools at www.crossref.org (crossref.org) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Font Awesome and Vimeo. Data & Observability: Matomo and Atlassian Statuspage. Go-to-market: Zendesk, Act-On and Discourse. Company Ops: Microsoft 365, Google Workspace and Amazon SES. Last checked October 7, 2026. ### What cloud does www.crossref.org run on? www.crossref.org 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 crossref.org. Amazon Web Services is used by 144,077 companies runsonwhat tracks. ### What email provider does www.crossref.org use? www.crossref.org uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 694,599 companies runsonwhat tracks. ### What does www.crossref.org use for customer support? www.crossref.org uses Zendesk for customer support and documentation, alongside Discourse, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 40,232 companies runsonwhat tracks. ### What analytics tools does www.crossref.org use? www.crossref.org uses Matomo for analytics, according to runsonwhat (October 2026). runsonwhat found Matomo through Matomo code on crossref.org. Matomo is used by 32,202 companies runsonwhat tracks. ### What marketing software does www.crossref.org use? www.crossref.org uses Act-On for marketing, according to runsonwhat (October 2026). runsonwhat found Act-On through email records that authorize Act-On and code on crossref.org. Act-On is used by 1,128 companies runsonwhat tracks. ### Does www.crossref.org use jQuery? Yes. runsonwhat found jQuery at www.crossref.org through jQuery code on crossref.org. jQuery is a Frontend tool used by 878,165 companies runsonwhat tracks. ### Which companies have a tech stack similar to www.crossref.org's? The companies with the stacks most like www.crossref.org's are Canutillo Isd, Plasma Processes, Modine and BoardEx, according to runsonwhat (October 2026). Each shares 4 to 8 tools with www.crossref.org, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what www.crossref.org uses? runsonwhat reads public records only. Of the 20 tools at www.crossref.org, 8 were found through code on crossref.org, 5 through DNS records, 4 through subdomains that point at the vendor and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and crossref.org about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/crossref.org (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.