# Tag: Slack

Posts tagged Slack.

- [How Slack Built Accessibility Checks into Its Testing Pipeline](https://scaleengineer.com/blog/how-slack-built-accessibility-checks-into-its-testing-pipeline)
  - Slack added Axe-based accessibility checks to Playwright tests, balancing automation with reliability, better reports, and easy developer workflows.
- [How Slack makes its Mobile App Feel Seamless (Even on Bad Internet)](https://scaleengineer.com/blog/how-slack-makes-its-mobile-app-feel-seamless-even-on-bad-internet)
  - Slack optimizes mobile performance using prioritized APIs, caching + versioning, offline sync, and scalable architecture for reliable user experience.
- [EP 45: How Slack Maintains Reliability and Uptime](https://scaleengineer.com/blog/how-slack-maintains-reliability-and-uptime)
  - Slack maintains reliability and uptime through automated incident detection, real-time collaboration, proactive monitoring, and a resilient microservices architecture.
- [How Slack Automatically Stops Suspicious Activity in Real Time](https://scaleengineer.com/blog/how-slack-automatically-stops-suspicious-activity-in-real-time)
  - Slack’s AER detects suspicious activity and automatically terminates user sessions, shrinking response time from hours to minutes.
- [How Slack cut their E2E Build Time by 80%?](https://scaleengineer.com/blog/how-slack-cut-their-e2e-build-time-by-80)
  - Slack cut E2E time 80% by skipping redundant frontend builds and reusing cached assets, saving compute, storage, and hours.
- [How Slack Built Secure Enterprise Search?](https://scaleengineer.com/blog/how-slack-built-secure-enterprise-search)
  - Slack enables secure enterprise search using real-time fetch, RAG, ACL & OAuth, no data storage, always permission-aware & private across tools.