How to optimize the crawl budget?
search "How to optimize the crawl budget?" and you'll get the 7 tips to optimize!
Go to "Legacy Tools" -> "Crawl stats" and take note of the average pages crawled per day. Divide the number of pages by the "Average crawled per day" number. If you end up with a number higher than ~10 (so you have 10x more pages than what Google crawls each day), you should optimize your crawl budget.
Allow Crawling of Your Important Pages in Robots. Txt.
Watch Out for Redirect Chains.
Use HTML Whenever Possible.
Don't Let HTTP Errors Eat Your Crawl Budget.
Take Care of Your URL Parameters.
Update Your Sitemap.
Hreflang Tags Are Vital.