# What does Clack Corporation use? Clack Corporation (clackcorp.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-11-11). - Industry: Plastics - Size: 201–1,000 employees - Based in: Windsor, United States - Founded: 1946 - LinkedIn: https://www.linkedin.com/company/clack-corporation ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [HostGator](https://www.runsonwhat.com/reverse/hostgator) | Hosting & Cloud | Website code | | | [Kinsta](https://www.runsonwhat.com/reverse/kinsta) | Hosting & Cloud | 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 | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code | | | [ConnectWise](https://www.runsonwhat.com/reverse/connectwise) | Support & Docs | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Custom domain, Email records, DNS verification records, Website code | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | DNS verification records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [MailChannels](https://www.runsonwhat.com/reverse/mailchannels) | Email Delivery | Email records | | ## Recent changes at Clack Corporation - 2026-11-03: started using [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) ## FAQ ### What tools does Clack use? As of November 2026, runsonwhat has found 18 tools at Clack (clackcorp.com) in public records. Edge & Hosting: Cloudflare, HostGator and Kinsta. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics. Go-to-market: WordPress, Yoast SEO and ConnectWise. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 11, 2026. ### What cloud does Clack run on? Clack uses HostGator for hosting and cloud infrastructure, alongside Kinsta, according to runsonwhat (November 2026). runsonwhat found HostGator through HostGator code on clackcorp.com. HostGator is used by 25,246 companies runsonwhat tracks. ### What email provider does Clack use? Clack uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a subdomain that points at Microsoft 365 and email records. Microsoft 365 is used by 734,206 companies runsonwhat tracks. ### What does Clack use for customer support? Clack uses ConnectWise for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found ConnectWise through email records that authorize ConnectWise. ConnectWise is used by 2,296 companies runsonwhat tracks. ### What analytics tools does Clack use? Clack uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on clackcorp.com. Google Analytics is used by 903,958 companies runsonwhat tracks. ### What is Clack's website built with? Clack uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on clackcorp.com. WordPress is used by 606,828 companies runsonwhat tracks. ### Does Clack use jQuery? Yes. runsonwhat found jQuery at Clack through jQuery code on clackcorp.com. jQuery is a Frontend tool used by 927,220 companies runsonwhat tracks. ### Has Clack changed tools recently? Yes. On runsonwhat's rechecks, Clack started using SendGrid (latest on November 3, 2026). A change counts only between two checks of clackcorp.com done the same way. ### Which companies have a tech stack similar to Clack's? The companies with the stacks most like Clack's are Charah Solutions, Kennedy Wilson Europe Real Estate, Impresoft 4ward and Gregory Electric, according to runsonwhat (November 2026). Each shares 6 to 12 tools with Clack, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Clack uses? runsonwhat reads public records only. Of the 18 tools at Clack, 10 were found through code on clackcorp.com, 4 through DNS records, 3 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 clackcorp.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/clackcorp.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.