Especially for commercial websites. For example, website with poor Alexa Rank could make customers doubt its reliability and thus create an undesirable effect on sales potential. And it is common for visitors and customers to take a look at your Alexa ranking to make sure that your website is safe and trustworthy enough to buy from.
In the modern era, many advertisers prefer to designate websites with Alexa rank within 100k or 50k or less. Without such numbers, no companies can place advertisements on your site. But a website with the lowest Alexa rank can make it very easy for you to get or transfer investments at a higher value.
Increase Ads Earnings
Your website with better Alexa rank seems to be more profitable and it will attract more advertisers and you can earn more. For a website with more traffic, ads published on it could bring the webmaster money. The less the website ranks in Alexa, the higher the ad earnings would be.
When your site gets a better Alexa Rank, your website value will increase. And you can attract investors easier. And also you can sell your web at a best price.