Hi,
Right now the only errors that appears on your website are related to the ads -> https://i.imgur.com/E4PvObJ.png
What I can recommend is to be sure that you use a good server and to be sure that all those theme requirements are set -> https://forum.tagdiv.com/requirements-for-newspaper/
Also, what you can do is to improve the website speed and use a cache, if you want you can check our guide for how to make the website faster -> https://forum.tagdiv.com/how-to-make-the-site-faster/
About those site crashes, you can check the error logs, most of the time there is displayed the error that is causing the crash of the website.
Also, this is an article that may help you -> How To Avoid A Website Crash During High Traffic.
Let me know the results!
Thank you!
