What powers sierrainstitute.us?
Last seen Oct 2026 · 29 technologies across 18 categories
Accessibility
AccessiBe
since Apr 2026
Analytics
Google Analytics
since Jul 2022
CDN
jsDelivr
since Apr 2026
CMS
WordPress
since Jun 2021
Databases
MySQL
since Jun 2021
Font scripts
Google Font API
since Jun 2021
Twitter Emoji (Twemoji)
since Jul 2022
Hosting
GoDaddy
since Aug 2022
JavaScript frameworks
JavaScript libraries
Marketing automation
MailerLite
since Apr 2026
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jun 2021
Security
reCAPTCHA
since Apr 2026
SEO
The SEO Framework
since Apr 2026
Video players
Web servers
Apache HTTP Server
since Jun 2021
Nginx
since Apr 2026
Webmail
Google Workspace
since Aug 2022
WordPress plugins
Smart Slider 3
since Apr 2024
Smash Balloon Instagram Feed
since Jul 2022
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.15 / 10 · ranked #1,341,713 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 9.4 MB · 74 requests
- WordPress theme: avada (child: avada-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sierra Institute
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Google (35.215.92.188)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 906,861, 5 hosts
- Verified with: Canva, Google, MailerLite
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sierrainstitute.us | 23 |
| pcrew.sierrainstitute.us | 13 |
Full technology history →
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Recent changes
- dropped Bootstrap Sep 2026
- dropped Cloudflare Aug 2026
- dropped Cloudflare Bot Management Aug 2026
- dropped All in One SEO May 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped core-js May 2026
- dropped Facebook Pixel May 2026
- dropped Font Awesome May 2026
- dropped Isotope May 2026
- dropped MailChimp May 2026
- dropped MailChimp for WordPress May 2026
- dropped Modernizr May 2026
- dropped MonsterInsights May 2026
- dropped prettyPhoto May 2026
- dropped RSS May 2026
- dropped Selectize May 2026
- dropped The Events Calendar May 2026