Privacy Policy

The Short Version

This site uses Google Analytics to count visits and see which pages people read. That is the only thing here that collects anything, and the only thing that sets a cookie.

There is nothing else. No advertising, no accounts, no forms, no other company's scripts, and nothing that tries to work out who you are.

The rest of this page explains exactly what that one piece of software sees, what it does not see, and how to refuse it.

Google Analytics

Google Analytics tells us how many people visit, which pages they open, roughly where in the world they are, and what kind of device they used. It is how we know which of these pages are worth writing more of.

To do that it sets a cookie in your browser. The cookie holds a random number so that two page views in the same visit are counted as one person rather than two. It is not your name, it is not linked to any account, and it means nothing outside this site.

What it records is the ordinary shape of a visit: the pages you opened, when, how long you stayed, whether you arrived from a search or a link, your rough location worked out from your IP address, and the browser, operating system and screen size you used. Google says it does not store the IP address itself once it has worked out the country.

What it does not record is anything you type, any colour you picked, any image you downloaded, or anything about the screen you were testing. None of that ever leaves your device, and the section below explains why.

The data sits in Google's systems under Google's own privacy terms rather than ours, and we see it only as counts and charts. We do not try to identify anybody from it, and there is nothing here to identify anybody with.

What We Still Do Not Do

There is no account to make, so we never ask for your name, your email address or a password.

There are no forms. Nothing on this site has a box for you to type into and send.

There is no advertising code, so nothing here is building a profile of you or following you around other websites.

Nothing is written to your browser storage — no saved settings, no history, no identifier of our own. The analytics cookie is the only thing this site leaves behind.

And nothing is ever sold, shared or handed to anybody. There is no mailing list, no data broker and no partner.

One Third Party, and Only One

Most websites load parts of themselves from several other companies: fonts from one, icons from another, scripts from a third. Every one of those requests tells that company your address and what page you are on, whether you wanted it to or not.

This site loads exactly one, and that is the Google Analytics script described above. There are no web fonts, no icon libraries, no embedded videos, no hosted images and no other scripts of any kind. The icons and the logo are drawn in the page itself, and the type is a font your device already has.

So Google is the only outside company that learns anything about your visit, and what it learns is set out above.

The Tests Themselves Send Nothing

This part has not changed and will not. The tests are your own browser filling its own window with a colour. Nothing about them is sent anywhere, and no record is made of which colours you looked at or what you found.

The same is true of the image download. When you press Download PNG, the image is drawn on your device, by your browser, and saved from there. It never travels to a server, ours or anyone else's.

The stuck pixel fixer works the same way. The colour it flashes is generated on your device as it runs.

Analytics counts that you opened a page. It has no idea what you did on it.

How to Refuse It

If you would rather not be counted, there are a few ways, and none of them stops the site working.

Most browsers can block third-party scripts or trackers in their privacy settings, and any of the common content blockers will stop the analytics script loading at all.

Google also publishes its own opt-out browser add-on, which turns Analytics off on every site rather than just this one.

Clearing your cookies removes the number this site set. You will be counted as a new visitor next time, which is fine — that is all it was ever doing.

What the Server Sees

Separately from analytics, there is the plain fact of asking for a page, and it applies to every website you have ever visited.

To send you a page, a server has to receive a request from your browser, and that request carries your IP address, the address of the page you asked for, the time, and a line describing your browser and operating system. Servers keep a short log of those requests so that faults can be found and abuse can be stopped.

This site is hosted on Vercel, which keeps that kind of log for its own operational purposes. We do not use those logs to identify anyone and we do not combine them with anything else.

A hosting provider handles this data under its own privacy terms rather than ours, so if the detail matters to you, Vercel publishes its policy on its own site.

If You Email Us

If you send an email, we have your email address and whatever you put in the message, for as long as that email sits in the mailbox. It is used to answer you and for nothing else. It is not added to any list, and it is never passed to anyone.

Please do not send anything sensitive. An email is not a secure way to send personal details, and there is nothing on this site that would ever need them.

The contact page

Children

This site is safe for anyone to use. It asks for nothing, it has nothing to sign up to, and the only thing it collects is the anonymous visit counting described above, which is the same for every visitor whatever their age.

Changes to This Page

This page is written from the code rather than from a template, and it is kept that way on purpose. If the site ever starts doing something else that affects your privacy — advertising in particular — this page is updated to say so at the same time as the change, not afterwards, and the date at the top moves.

Google Analytics was added on the date shown above, and this page was rewritten in the same breath.