Page experience data not displaying on page speed insights - pagespeed

Can someone please tell me why i get this error on my page speed insights. I keep on getting the error massage below when i try to view page speed insights on site kit. Please tell me what could be the problem? web url
Error massage from site kit page speed insights

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Google crawler is drawning resources from my wordpress website by scanning a huge quantity of unexisting pages

Recently i give a look to my search console after a notification of my provider.
It told me that google is crawling a huge quantity of unexisting web pages (that result in 404 errors).
I see on my search console reported 325.599 unindexed pages (all with 404). The website is really simple with a little number of pages/posts (about 200).
These pages are not really existing and i don't know how the crawler is getting them.
Here are some example addresses:
https://website.it/7113dtlsb0ba0d7nt9437213
https://website.it/215dtls972d85fdfs4c7bb11f
https://website.it/constant.php?27847qhnya9bcf0zyaa24fd
All those link are unexisting and google is not reporting a referral, so i cannot know the source.
Also i searched on the internet to see if those are referred somewhere, i found nothing.
Have anyone got my same issue?
It there a tool that can help me to scan my WP installation to find this broken links?

I keep getting errors when using PageSpeed Insights to detect the website

Why do I keep getting "There was a problem processing the request. Please try again later." when I use PageSpeed Insights to detect my website, but it does not detect other websites. My domain name is apkjoy.com, I hope it can help me solve this problem so that I can improve the website.
Thanks very much.

How do I fix: Lighthouse returned error: FAILED_DOCUMENT_REQUEST

I have been actively trying to redesign, increase page speeds and other things for my workplaces website. (Built by a previous employee using a custom Wordpress theme) I had been notified that this error has been starting to come up when testing our page speeds now. The scores we had been getting originally were appalling anyway so it's not really much of a surprise to me to be seeing errors haha.
Could this be because of broken links to google analytics? Or that The webpage is just so slow it wont test it?
Any information on this issue would be really helpful.
while I was testing my site where I used self-signed SSL certificate, I got the error. I switched the site to http instead of https, then I got Lighthouse loading the page and showing score. Hope this helps someone.

Facebook blocking my website URLs

I am trying to share a link of my Wordpress website on Facebook but I'm seeing this error.
The Error:
When I tried to check what's wrong with the link in Facebook Debugger i saw this.
Facebook Debugger:
Please help me what to do as I'm not good in seeing through this problem.

Google bot return error 500 Asp.net

Is there a way to check if a page returns a 500 error? Google has just dropped 3000 of our pages from index. Implemented some fix, but need to check if it worked. It is only going to crawl the site again next week.
Google Webmaster Tools has a crawl statistics menu, where it will display crawl errors. It requires you to sign up, verify the site and then waiting until Google has crawled the site.
However, it has a 'view as googlebot' function which might help you as well.
I'd start there personally.
Monitor all the things!
Apache log4net
elmah
Enable Trace Logging for Failed Requests (IIS 7)
Hope this helps (I know you need to verify it now that your fix works, so my answer is more of a future recommendation).

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