I may have an older site for example. There are many factors, but there are a few of the most important, among others:

• Fast and reliable hosting
• well-designed and optimized website
• high-quality content These are all but some of the most important factors.

There are more than two hundred plus parameters and combinations of them impacting ranking in the SERPs. It is hard to guess a reason for ranking. It requires a complete analysis.

It is all about winning the trust of search engines that for a particular key phrase this web page is most suitable.

@binayjha Because I previously had a blogspot site and it didn't rank despite my efforts + some people told that Google favors custom domains over free subdomains.

Yes, it is possible. By the way, why do you have such a doubt?

Is it possible to rank my blogspot free subdomain on the first page of Google? Or am I wasting my time creating quality content?

Some of my competitors rank for a keyword despite having low quality content. Is it because they have a lot of backlinks? Or topic authority?