Every request gets a verdict.
CloudFilt decides before your server spends a cycle on it. People go straight through. Scrapers, credential stuffers and spam scripts stop at the door.
Free up to 3,000 requests a month, no card.
Filtering replay
18 in 100 weren't human this week
- 82% people
- 13% blocked or slowed
- <1% captcha first
- 4.7% AI crawlers allowed
Repeat offender Banned once, back for more. Its ban answers before it finishes asking.
AI crawler Reads the whole site, clicks nothing, says its name.
Headless browser A real Chrome with nobody in front of it: no mouse, no scroll.
Repeat offender Banned once, back for more. Its ban answers before it finishes asking.
AI crawler Reads the whole site, clicks nothing, says its name.
Headless browser A real Chrome with nobody in front of it: no mouse, no scroll.
Unwelcome guest Whatever you said no to: an address, a network, a country, a URL.
Form spammer Fills a contact form in 0.4 s, hidden fields included.
Masked visitor Tor exits and open proxies, never the same address twice.
Doubtful visitor Too risky to wave through, not enough to block.
Scraper Seven pages a second from a datacenter, never loads an image.
This week on the CloudFilt network
Last 7 days, averaged per site, updated every hour.
- No. 01 Repeat offenderRecidivus obstinatus Blocked 7.7%
- No. 02 AI crawlerLector insatiabilis Your call 4.8%
- No. 03 Headless browserAutomaton larvatus Blocked 3.1%
- No. 04 Unwelcome guestHospes ingratus Your rule 1.9%
- No. 05 Form spammerSpamus vulgaris Blocked <1%
- No. 06 Masked visitorLarva anonyma Blocked <1%
- No. 07 ScraperPretium raptor Blocked <1%
- No. 08 Brute forcerClavis furax Slowed Rare
Top networks blockedof sites
- AMAZON-AESAS14618 74%
- TENCENT-NET-AP-CN Tencent Building, Kejizhongyi AveAS132203 70%
- OVHAS16276 67%
Top countries blockedof sites
- US United States 89%
- DE Germany 80%
- SG Singapore 77%
Seen on several sites
- 5.102.169.xKnown spammer · United Kingdom
- 3.93.133.xKnown spammer · United States
- 8.217.145.xKnown spammer · Hong Kong
From public blocklists, last part hidden. Check any IP
Every request is weighed against 12 signals and 15 reputation lists, on a CDN WAF of 340+ points of presence.
Network 216.73.216.231, AS16509 AMAZON-02, United States.
JavaScript your browser did not run our script. Most scrapers don't either.
Automation waiting for your browser.
Browser waiting for your browser.
Behaviour move, scroll or tap anywhere.
Waiting for a first move, scroll or tap.
Meanwhile, we've been checking you.
A few of the signals CloudFilt weighs on every visitor of a protected site, applied to you, right now. Worked out on the fly, nothing stored.
See everything your browser told usTwo ways in. The fastest is a DNS change.
Same verdicts either way.
Protection and speed, without touching your code
Each visitor gets a verdict at the closest point of presence. Only real users reach your server.
shop.example→ your server
shop.example→ CDN WAF → your server
Made by ZIWIT in Montpellier, France. Write to support and a person answers.
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