Resolve Google Crawl Errors Magento

During the past three weeks Google Search Console has shown a dramatic drop in crawl rate on my Magento 2 store. The coverage report lists roughly 35 % “not crawled” every single day. I have already... (Budget: ₹400 - ₹750 INR, Jobs: Apache, CMS, Debugging, Linux, Magento, MySQL, Nginx, PHP, Web Development, Website Optimization)