What powers 
slackdemo.com?
Last seen Aug 2026 · 15 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
Issue trackers
BugHerd
since Sep 2024
JavaScript frameworks
Next.js App Router
since Sep 2024
React
since Sep 2024
Miscellaneous
Webpack
since Jan 2019
PaaS
Amazon Web Services
since Jan 2019
Vercel
since Sep 2024
Performance
Priority Hints
since Sep 2024
Programming languages
Node.js
since Sep 2024
Rich text editors
Quill
since Sep 2024
Security
HSTS
since Sep 2024
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Tailwind CSS
since Apr 2022
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.84 / 10 · ranked #694,765 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: Amazon Route 53
- Email: no MX record returned
- Email security: SPF (hard fail), MTA-STS, BIMI
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 6,924,780
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted