What powers spectrumcsi.org?
Last seen Oct 2026 · 27 technologies across 14 categories
Analytics
CDN
CMS
Databases
Font scripts
Fundraising & donations
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web servers
Webmail
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.66 / 10 · ranked #5,220,824 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| CLS | 0 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 6.8 MB · 151 requests
- WordPress theme: o2dca-framework-two · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Spectrum Charter School
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on A2 Hosting (68.66.200.212)
- DNS: shared3-o2dca.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 7,712,739, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Clipboard.js Oct 2026
- detected Fundraise Up Oct 2026
- dropped GiveWP Oct 2026
- dropped Google Font API Oct 2026
- dropped Moment.js Oct 2026
- dropped React Oct 2026
- detected Uploadcare Oct 2026
- dropped ZURB Foundation Oct 2026
- dropped Smash Balloon Instagram Feed Aug 2026
- detected Twitter Emoji (Twemoji) Dec 2025