What powers 
zeffy.com?
Last seen Sep 2026 · 80 technologies across 32 categories
Advertising
Affiliate programs
Analytics
CDN
CMS
Customer data platform
Development
Documentation
Ecommerce
Font scripts
IaaS
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
PaaS
Page builders
Payment processors
Performance
Programming languages
Search engines
Security
Tag managers
Translation
UI frameworks
Video players
Web frameworks
Webmail
Widgets
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 found
- ai.txt not found
- Oct 2026 *: Allowed (was Restricted)
- Aug 2026 llms.txt appeared
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| silent auction bid sheet | #2 | 880 |
| silent auction bid sheet template | #2 | 880 |
| zephy | #1 | 370 |
| chinese auction | #3 | 280 |
| online raffle | #2 | 260 |
| give lively | #7 | 210 |
| hershey park tickets | #33 | 160 |
| raffle | #22 | 140 |
| membership management software for nonprofits | #3 | 130 |
| square for nonprofits | #2 | 120 |
| venmo for nonprofits | #5 | 120 |
| how does zeffy make money | #1 | 110 |
| eventbrite alternatives | #3 | 86 |
| membership management software | #4 | 86 |
| silent auction forms | #2 | 78 |
| zoom test | #60 | 70 |
| calendar raffle | #1 | 64 |
| cash app for nonprofits | #2 | 63 |
| zeffy raffle | #1 | 59 |
| chris stapleton all american road show tickets | #36 | 57 |
| how to set up a donation page on twitch | #6 | 54 |
| raffle ticket template word | #8 | 53 |
| 50/50 prices | #1 | 52 |
| free stuff for nonprofits | #1 | 52 |
| grant opportunities for nonprofits | #17 | 52 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 60% phone
- 40% desktop
United States
Canada
United Kingdom
Australia
India
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.62 / 10 · ranked #1,500 of all domains
10,707 referring domains · OpenPageRank
Search traffic
15,500 est. monthly organic visits (US)
17,705 keywords in Google's top 30
Core Web Vitals
| LCP | 2.6 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 11.7 MB · 269 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
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hensoldt.net 3 shared
svelte.dev 3 shared
calibreapp.com 3 shared- shotgun.live 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Zeffy
- Industry: Software and apps (declares
SoftwareApplication) - Profiles: LinkedIn, Facebook, Instagram
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Mar 2005 (21 years) via Squarespace Domains II LLC, renews Mar 2027
- Hosted on Cloudflare (104.18.20.101, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 612, 27 hosts
- Verified with: Brevo, Google, HubSpot, LinkedIn, OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| fr.zeffy.com | 35 |
| stage-frontend.zeffy.com | 34 |
| www.zeffy.com | 34 |
| grant-finder.zeffy.com | 30 |
| support.zeffy.com | 27 |
| docs.zeffy.com | 26 |
| community.zeffy.com | 21 |
| feedback.zeffy.com | 15 |
| status.zeffy.com | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Chart.js Sep 2026
- detected Cloudflare Turnstile Aug 2026
- detected Bunny May 2026
- detected Bunny Fonts May 2026
- detected Render May 2026
- detected Svelte May 2026
- detected SvelteKit May 2026
- detected Vite May 2026
- detected Amazon Advertising Apr 2026
- detected Amazon Webstore Apr 2026
- detected PayPal Feb 2026
- detected Forethought Solve Nov 2025