Free tools
Free tools for measuring and growing
Small tools that run entirely in your browser. Nothing you type is sent anywhere, and none of them needs an account.
UTM link builderBuild tagged links for every campaign, keep the ones you made, and copy them in one click.
AI crawler robots.txt generatorChoose which AI crawlers may read your site, merge it with your robots.txt, then copy or download it.
A/B test calculatorIs the difference real? Significance for two variants, and the sample size to plan a test.
What a better conversion rate is worthWhat a better conversion rate is worth per month and per year, for one-off sales or subscriptions.
The newsletter
Notes on measuring what matters.
Occasional emails from Albi: new posts, one chart worth reading, what changed in trckable.
We send one email to confirm your address, and nothing more until you confirm. Every newsletter has a link to leave. What we keep, and who sends it: privacy.
Counted, never watched.