What powers penerbitsalemba.com?
Last seen Sep 2026 · 26 technologies across 16 categories
Analytics
Authentication
Facebook Login
since Jun 2021
Google Sign-in
since Feb 2021
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
JavaScript frameworks
React
since Apr 2020
JavaScript graphics
Chart.js
since Jan 2021
JavaScript libraries
Live chat
WhatsApp Business Chat
since Jun 2022
Load balancers
Miscellaneous
Operating systems
Windows Server
since Apr 2020
Programming languages
Node.js
since Apr 2020
UI frameworks
Web frameworks
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 73% phone
- 25% desktop
- 2% tablet
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.93 / 10 · ranked #1,708,124 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 23.7 MB · 149 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Microsoft (20.205.238.147)
- Email: penerbitsalemba.com
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 1,289,012, 8 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| penerbitsalemba.com | 20 |
| www.penerbitsalemba.com | 20 |
| elearning.penerbitsalemba.com | 16 |
| etryout.penerbitsalemba.com | 16 |
| training.penerbitsalemba.com | 16 |
| sso.penerbitsalemba.com | 12 |