Postbacks for a TDS: how a sale on the offer's site finds its click
The TDS Worker sends a visitor to the offer and sees nothing after. A signed click token and a postback bring the sale back to the rule, the split and the ad network.
How a TDS on Cloudflare Workers sorts traffic before it reaches your server
Your domain can point at any host and still have every visitor sorted by country, device and bot class first. How the 301.st TDS does it, step by step.
What Cloudflare's free plan alerts you about, and what you check yourself
We broke a hostname for forty minutes with Cloudflare's free outage alert switched on, and it stayed silent. What Free watches, and a Worker that checks redirects.
Certificates now expire in 200 days. Find the domains you still renew by hand
Since March no public certificate lives longer than 200 days, and the first short ones have already expired. One script sorts your domains by who renews them.
Your redirect rule says Active and nothing happens
Active means the rule was saved, not that a request ever reached it. Four questions that find the reason, each answered by one request. Measured live.
A unique click id on a free Cloudflare redirect, no Worker involved
uuidv4() is banned in redirect targets, but cf.ray_id is not: a Single Redirect can stamp every click with its own id. Measured live, with the traps.
The conversion fires on someone else's domain. Here is how to attribute it.
Years of unanswered threads, even a €100 bounty on the question. The loop that closes it: a redirect hop that mints a click_id and takes the postback.
How to see the redirect chain your browser actually followed
curl shows the server hops. It cannot see a JS redirect, a meta refresh, or an HSTS upgrade, and DevTools forgets on navigation. How to capture the whole chain.
Auto-renew was on and the domain expired anyway
Auto-renew is a standing instruction, not a safety net: it fails on a dead card, a lost renewal email, or a domain you forgot. What actually catches an expiry.
Redirecting domains you own to one site, without tripping Google's spam rules
The expired-domain redirect Google now penalizes, the consolidation it still blesses, and how to point the domains you own at one site on Cloudflare.
Your redirect is configured and still returns 522, 525, or a parking page
The zone is green and the rule is there, yet visitors get an error or the wrong page. Three ways a Cloudflare redirect quietly fails, and one curl to tell them apart.
Which of your 300 domains still redirect? One script, and what to fix first
The dashboard has no cross-domain view. One script says which of 300 domains still answer, and Ahrefs' now-free DR endpoint says which ones are worth fixing.
A redirect runs no JavaScript. Here is how to count the click anyway.
Web Analytics, Plausible and Umami are page beacons, so a 301 is invisible to all of them. A Worker plus Analytics Engine counts it on the free plan.
Every way to redirect on Cloudflare, and when each one breaks
Single Redirects, Bulk Redirects, Snippets, Workers, _redirects and the origin, compared on scope, free plan quota, matching power and the thing that catches people out.
Your redirect is eating the gclid. Here is the 60 second test.
Google Ads flags redirects that drop click IDs and tells you to ask IT. Here is how to find the hop that drops them yourself, with curl, in about a minute.
Page Rules are deprecated. Here is where every setting went.
Cloudflare's docs mark Page Rules deprecated and name a replacement for almost every setting. Five have no replacement at all, and the automatic migration drops them.