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slack.com

https://slack.com

C73
Performance 35Accessibility 95SEO 92Best Practices 77

29 technologies detected · Last audited Apr 4, 2026

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Technology stack

Analytics

Clearbit Reveal Contentsquare Demandbase DoubleClick Floodlight Google Analytics Google Tag Manager Linkedin Insight Tag LiveIntent Optimizely Salesforce Salesforce Marketing Cloud Account Engagement Schema App

Cdn

Envoy

Frontend

Amazon Route 53 Google Search Console Google Workspace HSTS HTTP/3 OneTrust Open Graph Swiper TechTarget Underscore.js YouTube core-js jQuery jQuery Migrate

Hosting

Apache Apache HTTP Server

Frequently asked questions about slack.com

What technology does slack.com use?

slack.com is built with Amazon Route 53, Google Search Console, Google Workspace, HSTS, and HTTP/3.

Is slack.com fast?

No — slack.com scores 35/100 on Lighthouse mobile performance, indicating significant optimization opportunities.

Is slack.com accessible?

Yes — slack.com scores 95/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does slack.com use?

No CMS fingerprint was detected on slack.com — it may use a static site generator or a custom application.

Where is slack.com hosted?

slack.com is hosted on Apache HTTP Server.

Does slack.com use HTTPS?

Yes — slack.com serves traffic over HTTPS.

1 audits

Apr 4, 2026 17:27 UTC Latest

/

Worker: worker-newyork-us-01

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Scores

Performance 35Accessibility 95Best Practices 77SEO 92PWA 0

Timing

LCP: 10.66 sFirst Contentful Paint: 2.78 sTTFB: 153 msTotal Time: 154 msCumulative Layout Shift: 0.120

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