Web
Site Checker
How good is your website really? Checks availability, SEO, performance and security.
Coming soonFour tools for questions from everyday life, the web and investing. You type, Zackto calculates or checks.
How good is your website really? Checks availability, SEO, performance and security.
Coming soonStocks, analysed the simple way.
Not investment advice.
Coming soonConvert units and 62 currencies, using the ECB's daily reference rates.
Open the converter (German)Small AI prompts, big results.
Open Prompter ABC (German)The guides are being written. The first articles explain how to read the results of the tools.