GDP is a con op by the politicians and their banker masters. GDP includes all of the non-essential items that make most of the value of the output which might get wiped out with a glitch, for instance: the value of Meta, the company behind Facebook and other social media apps might plunge a large percentage for a glitch in one of their servers, similarly the other internet-based apps and services.
Law firms, consultation companies, and financial services especially futures, hedge funds, and whatever they invent that doesn't have real tangible value right now, are all included in the GDP.
Look for the purchase power and industrial, agricultural, and real land development, as some of the indicators to an economy's strength. The material output of such industries is what counts and that reflects in the purchasing power.
How much does a loaf of bread cost now compared to 1, 2, 5, 10, and 20 years ago, compare it with your income, when your source of consumed materials is interrupted, can your economy sustain?