Best - independent & trustworthy global smart city ranking

Has anyone good experiences with independent global smart city rankings that are trustworthy in a sense that you don’t pay to be in their top ten or need to pay for an assessment?
Focus areas / criteria: investment in human and social capital, holistic approach, citizen centric & engagement
Smart City is the broadest way of speaking: liveable city, sustainable city, innovative city, digital city, (resilient city?)

What’s your opinion on:

Many thanks in advance for your reaction.