Which Free IQ Test is the Most Reliable and Instant?

I’m exploring various free IQ tests available online and would like to gather opinions from the community. Here are some options I’ve come across: IQTest.com: This site offers a scientifically valid IQ test with an optional detailed analysis of your score in 13 intelligence areas. BMI Free IQ Test: Provides an instant IQ test without requiring an email address. MentalUP.co Free IQ Test: A quick and email-free IQ test focused on measuring cognitive abilities. 123test.com IQ test: Instant IQ test without the need for an email address. IQtestfree.io: Promises a meticulously crafted iq test free by experts in cognitive science for swift and precise results in just 20 minutes. Which one do you think is the most reliable and user-friendly? Any personal experiences or recommendations would be greatly appreciated!