Sites using CloudFilter
Hosted email anti-spam and anti-malware filtering for ISPs and email hosts.
Found via: Product Hunt 5 · StackScope Discovery (Indie) 1 · StackScope Wider Web 3
Figures on this page reflect sites found via StackScope Wider Web only. The "Found via" counts above always show every source. Reset
CloudFilter has been detected on 3 launches since first appearing in July 2026. Most recent detection was on July 9, 2026.
It's most commonly paired with HTTP/3, cdnjs, and Google Tag Manager.
Share of new launches using CloudFilter
Each dot is one launch day. Line is the 7-day rolling average.
Email Security leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 |
DNSSmartHost
|
0.12% | 42.25% | |
| #2 |
MailSpamProtection
|
0.12% | 40.11% | |
| #3 |
AntiSpamCloud
|
0.07% | 25.13% | |
| #4 | SpamExperts | 0.02% | 5.35% | |
| #5 | Barracuda Email Security | 0.01% | 3.21% | |
| … | ||||
| #10 | CloudFilter Current page | <0.01% | 1.60% | |
Percentages show adoption among launches found via StackScope Wider Web: the share of all such launches, and of those using any Email Security tool. All 27 in Email Security →
Often used with
| Tool | Launches |
|---|---|
| HTTP/3 | 2 |
cdnjs
|
2 |
Google Tag Manager
|
2 |
Cloudflare DNS
|
2 |
Facebook Pixel
|
2 |
Tools most often detected on the same launches as CloudFilter.
3 sites across the wider web use CloudFilter
StackScope Wider Web counts newly launched sites that are not indie product launches. They shape the aggregate figures on this page but are never listed individually. How StackScope Discovery works · Back to launches