Overcoming Google's Indexing Hurdles for a Listing Page

I want to share my journey of overcoming a challenge in indexing a specific listing page, ultimately achieving its inclusion on Google SERP. It's been quite an interesting ride. For the past four months, we've encountered an issue with one of our pages not being crawled by Google. This page belongs to a professional listing site in the USA with millions of pages. Initially, Google crawled the page on October 6, 2023, and October 13, 2023, returning a "Not found" status for both desktop and smartphone bots. However, despite the page now returning a 200 OK response, further crawls seem to have been neglected. Upon inspecting the URL in the URL inspection tool, I noticed the last crawl date was October 6, 2023, by the desktop bot. While the initial "404" error was due to server stability issues during deployment, a review of the server log file revealed no current issues. Regarding the server stability during deployment, I discussed with our DevOps team, who me...