What powers 
sparkclimate.org?
Last seen Aug 2026 · 19 technologies across 11 categories
Analytics
Google Analytics
since Apr 2024
PostHog
since Apr 2024
CDN
Amazon CloudFront
since Jun 2026
Amazon S3
since Sep 2022
cdnjs
since Aug 2023
Cloudflare
since Aug 2023
Google Hosted Libraries
since Aug 2022
jsDelivr
since Aug 2023
Customer data platform
Segment
since Nov 2022
Google Workspace
since Aug 2022
Font scripts
Google Font API
since Aug 2022
JavaScript libraries
Marketing automation
MailChimp
since Sep 2022
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Mar 2025
PaaS
Amazon Web Services
since Aug 2022
Page builders
Webflow
since Aug 2022
Security
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 82% desktop
- 18% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.99 / 10 · ranked #573,578 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 8.5 MB · 39 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (198.202.211.1)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject
- SSL: Amazon Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 6,730,121, 3 hosts
- Verified with: 1Password, Notion, Slack
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped HTTP/3 Jul 2026
- detected Amazon CloudFront Jun 2026
- dropped core-js Jan 2026
- detected Amazon S3 Oct 2025
- detected MailChimp Oct 2025