Site Report · productivity

Last updated: May 12, 2026

Slack Site Report

Slack operates in the Productivity sector, running a custom-built platform behind Apache. The technology fingerprint includes Google Analytics, and performance benchmarks show moderate load times (approximately 1,274 ms server response). Read on for a comprehensive look at Slack's tech stack, SSL status, DNS configuration, and speed metrics.

slack.com

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Technology Stack

Technologies detected on Slack

This site uses Apache as the web server, AWS CloudFront for content delivery, and Google Analytics for visitor analytics.

Web Server

Apache

CDN

AWS CloudFront

Analytics

Google Analytics

SSL Certificate

Security status for Slack

The SSL certificate is valid and issued by Let's Encrypt. It expires on July 3, 2026 (52 days remaining). The connection uses TLSv1.3.

Status

Valid

Issuer

Let's Encrypt

Expires

Jul 03, 2026

52 days remaining

Protocol

TLSv1.3

DNS Information

Domain name system records for Slack

Nameservers

ns-166.awsdns-20.com

ns-606.awsdns-11.net

ns-1493.awsdns-58.org

ns-1901.awsdns-45.co.uk

A Records

3.68.175.98 18.159.197.225 3.68.124.95 3.68.124.168 52.29.238.212 3.68.170.153

MX Records

aspmx.l.google.com

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

aspmx2.googlemail.com

aspmx3.googlemail.com

SPF Record

Present

DMARC Record

Present

Speed & Performance

Page load performance for Slack

The site has an acceptable load time, though there is room for improvement. Our analysis measured a server response time of 1,274 ms, a total page size of approximately 224 KB, and 102 external resources loaded on the page.

Rating

medium

Response Time

1,274 ms

Page Size

224 KB

Resources

102 requests

SEO Meta Tags

Meta tag analysis for Slack

The page title ("Slack | AI Work Platform & Productivity Tools") is well-optimized at 45 characters, the meta description is 173 characters, which may be truncated by search engines, Open Graph tags are fully configured for social sharing, and a canonical URL is properly set.

Title Tag

45 chars

Slack | AI Work Platform & Productivity Tools

Meta Description

173 chars

Boost productivity and save time with Slack‌ — ‌the AI work platform for managing projects, automating workflows, and connecting teams securely. Start working smarter today.

Open Graph Tags

og:title Slack | AI Work Platform & Productivity Tools

og:description Boost productivity and save time with Slack‌ — ‌the AI work platform for managing projects, automating workflows, and connecting teams securely. Start working smarter today.

og:image https://a.slack-edge.com/737c9d1/marketing/img/homepage/revamped-24/unfurl/hp-revamp-unfurl.en-GB.jpg

Canonical URL

https://slack.com