Looks exactly the same as before.
Development mode isn’t the same as “bypass cache”, and your website isn’t even being cached by Cloudflare, regardless of this setting. Cloudflare only caches STATIC assets (jpg, css, js etc). So even with this setting on or off, the request to your website is always going to the origin (your server), and if it fails to load, it’s related to the origin.
After all, that is the point of no caching or bypass cache, that requests are made to your origin.
I checked your website a few times. It loads sometimes, sometimes not. This is your server, and I don’t see why you think it’s related to Cloudflare. The request to your main page document is ALWAYS served by your origin server, no matter development mode, or bypass cache page rules.
Here is one test where your document from origin server took 1.2 minutes to load.
Although the document eventually loaded, you can clearly see from response headers that it is NOT CACHED, but served directly from your server.
I suggest you disable Cloudflare and do some tests on your own server first. Actually, you have already disabled Cloudflare when setting to “development mode”, but it seems you believe Cloudflare is still the cause (which is not logical), so you would have to disable orange cloud in DNS settings or change your nameservers entirely if you think this is caused by Cloudflare even in dev mode.