# What does Nextivity use? Nextivity (cel-fi.com) shows public evidence of 25 tools, according to runsonwhat (last checked 2026-10-16). - Industry: Telecommunications - Size: 51–200 employees - Based in: San Diego, United States - Founded: 2006 - LinkedIn: https://www.linkedin.com/company/nextivity ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [WP Engine](https://www.runsonwhat.com/reverse/wpengine) | Hosting & Cloud | Custom domain, Website code | | | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain | | ## 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 | | | [Wistia](https://www.runsonwhat.com/reverse/wistia) | Media & UI | 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 | | ## 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 | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | Custom domain, Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [Duo](https://www.runsonwhat.com/reverse/duo) | Security & Compliance | DNS verification records | | | [AppRiver](https://www.runsonwhat.com/reverse/appriver) | Security & Compliance | Email records | | | [Tinfoil Security](https://www.runsonwhat.com/reverse/tinfoil) | Security & Compliance | DNS verification records | | ## FAQ ### What tools does Nextivity use? As of October 2026, runsonwhat has found 25 tools at Nextivity (cel-fi.com) in public records. Edge & Hosting: Cloudflare, WP Engine and Microsoft Azure. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, SendGrid and CookieYes. Last checked October 16, 2026. ### What cloud does Nextivity run on? Nextivity uses WP Engine for hosting and cloud infrastructure, alongside Microsoft Azure, according to runsonwhat (October 2026). runsonwhat found WP Engine through a subdomain that points at WP Engine and code on cel-fi.com. WP Engine is used by 50,903 companies runsonwhat tracks. ### What email provider does Nextivity use? Nextivity uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 706,417 companies runsonwhat tracks. ### What does Nextivity use for customer support? Nextivity uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk. Zendesk is used by 41,360 companies runsonwhat tracks. ### What analytics tools does Nextivity use? Nextivity uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on cel-fi.com. Google Analytics is used by 865,218 companies runsonwhat tracks. ### What is Nextivity's website built with? Nextivity uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on cel-fi.com. WordPress is used by 589,084 companies runsonwhat tracks. ### Does Nextivity use jQuery? Yes. runsonwhat found jQuery at Nextivity through jQuery code on cel-fi.com. jQuery is a Frontend tool used by 905,987 companies runsonwhat tracks. ### Which companies have a tech stack similar to Nextivity's? The companies with the stacks most like Nextivity's are Byflou.com, Speedvegas Motorsports Park, Casa De La Amistad Para Niños Con Cáncer, I.a.p. and CIO, according to runsonwhat (October 2026). Each shares 8 to 14 tools with Nextivity, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Nextivity uses? runsonwhat reads public records only. Of the 25 tools at Nextivity, 15 were found through code on cel-fi.com, 4 through subdomains that point at the vendor, 3 through email records, 2 through DNS records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cel-fi.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/cel-fi.com (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.