What powers 
stemi.education?
Last seen Jul 2026 · 66 technologies across 32 categories
A/B Testing
Google Optimize
since Mar 2022
Analytics
Facebook Pixel
since Nov 2021
Google Analytics
since Jan 2019
Authentication
Google Sign-in
since Oct 2022
Caching
W3 Total Cache
since Jun 2024
CDN
Cloudflare
since Oct 2024
CMS
Cookie compliance
Databases
MySQL
since Jun 2021
Font scripts
Google Font API
since Jan 2019
Twitter Emoji (Twemoji)
since May 2026
Issue trackers
Sentry
since Nov 2019
JavaScript frameworks
JavaScript graphics
particles.js
since May 2026
JavaScript libraries
Load balancers
Azure Front Door
since Sep 2024
Miscellaneous
Operating systems
Ubuntu
since Dec 2021
PaaS
Page builders
Performance
Priority Hints
since May 2026
Programming languages
Retargeting
Google Remarketing Tag
since Dec 2021
Security
Cloudflare Bot Management
since Oct 2024
HSTS
since Apr 2023
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Jun 2024
Static site generator
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Chakra UI
since Jul 2022
Video players
Web frameworks
Django
since Mar 2022
Web servers
Nginx
since Jan 2019
Webmail
Google Workspace
since Aug 2022
Widgets
Facebook
since Jan 2019
WordPress plugins
Formidable Form
since Mar 2023
WordPress themes
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 76% desktop
- 24% phone
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #850,882 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 7.6 MB · 75 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on DigitalOcean (188.166.112.199)
- DNS: Azure DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,930,598, 12 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.stemi.education | 30 |
| stemi.education | 28 |
| skolabuducnosti.stemi.education | 25 |
| careers.stemi.education | 18 |
| lab.stemi.education | 15 |
| chatbot.stemi.education | 12 |
| chat.stemi.education | 9 |
| editor.stemi.education | 9 |
Full technology history →
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Recent changes
- dropped Facebook Login Jun 2026
- dropped LottieFiles Jun 2026
- dropped Modernizr Jun 2026
- dropped Slider Revolution Jun 2026
- dropped UltimatelySocial Jun 2026