Tellstack

What firstround.com is built with

Read on 2026-10-28 17:50. 12 technologies spotted.

TechnologyCategoryVersionConfidenceTell
Google WorkspaceWebmail, Email100%dns MX: alt1.aspmx.l.google.com
HSTSSecurity100%headers strict-transport-security: max-age=63072000
Let's EncryptSSL/TLS certificate authorities100%certIssuer: Let's Encrypt, YR2
Next.jsJavaScript frameworks, Web frameworks, Web servers, Static site generator100%headers x-powered-by: Next.js
Open GraphMiscellaneous100%dom meta[property*='og:']: <meta property="og:title" content="Home | First Round">
Priority HintsPerformance100%dom iframe[fetchpriority], img[fetchpriority], script[fetchpriority], link[fetchpriority]: <link rel="preload" as="script" fetchPriority="low" href="/_next/static/immutable/chunks/2lc2owcapwx5g.js">
ReactJavaScript frameworks100%implied Next.js
SanityCMS100%dom img[src*='cdn.sanity.io'],img[srcset*='cdn.sanity.io'],video[src*='cdn.sanity.io'],source[src*='cdn.sanity.io'],source[srcset*='cdn.sanity.io'],track[src*='cdn.sanity.io'] @src: https://cdn.sanity.io/images/m6i10uln/pro
Sanity.ioCMS100%dom img[src*='cdn.sanity.io'],img[srcset*='cdn.sanity.io'],video[src*='cdn.sanity.io'],source[src*='cdn.sanity.io'],source[srcset*='cdn.sanity.io'],track[src*='cdn.sanity.io'] @src: https://cdn.sanity.io/images/m6i10uln/pro
SwiperJavaScript libraries100%dom div.swiper-wrapper: <div class="swiper-wrapper"><div class="swiper-slide"><div class="carousel__slide"><div class="carousel__slide-spacer"><
VercelPaaS100%headers server: Vercel
WebpackMiscellaneous100%implied Next.js

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