I am completely stumped. The problem I have run into as of late is that any new account / domain I create on my server experiences inconsistent web page loading. I've never seen anything like this before and am looking for some assistance.
To further explain the problem, this happens on any type of web page - whether it be the simple DirectAdmin generated splash HTML page, or a PHP script. No matter what it is, the page will load sometimes, and other times not. What also adds to the strangeness is that pieces of the webpage will load inconsistently. For example, one refresh will load a page perfectly fine. The next refresh might not load the image but loads all other resources fine. The next refresh might load the image that it just couldn't previously load, but will not be able to load the CSS stylesheet. The next refresh the image might load fine, the CSS stylesheet might load fine, but the Javascript resource will fail to load. And sometimes the page just doesn't load at all. I can even add a simple TXT file to the server and if you sit there and refresh, sometimes it will load and sometimes it won't.
It's important to note that all sites / accounts that exist work fine without this issue. Only new ones I create experience this.
The first thing I assumed was DNS may not propagating, or the nameserver was acting up. I've ruled this out however by creating multiple domains using various nameservers - all end up with the same inconsistent results. I'm also not using any type of load balancing (which I've seen cause a similar problem). I really have no earthly idea on what could be causing this. None of the Apache logs indicate any problems. I've attempted browsing to these sites from different machines across the US, all with the same result. I've also just tried restarting all services (e.g. DirectAdmin, Apache, etc) with no luck. There are also no OS updates associated with web software needing installed, nor are there any CustomBuild updates needed (excluding Let's Encrypt and Libpng). Lastly, I have not made any custom changes to the Apache config files that DirectAdmin generates on its own.
If anyone has any idea what could be the problem, I would love just a direction to go in or theory or idea or whatever. This is driving me crazy.
Here are a few links to test with if needed. If you keep hitting refresh you get different results:
To further explain the problem, this happens on any type of web page - whether it be the simple DirectAdmin generated splash HTML page, or a PHP script. No matter what it is, the page will load sometimes, and other times not. What also adds to the strangeness is that pieces of the webpage will load inconsistently. For example, one refresh will load a page perfectly fine. The next refresh might not load the image but loads all other resources fine. The next refresh might load the image that it just couldn't previously load, but will not be able to load the CSS stylesheet. The next refresh the image might load fine, the CSS stylesheet might load fine, but the Javascript resource will fail to load. And sometimes the page just doesn't load at all. I can even add a simple TXT file to the server and if you sit there and refresh, sometimes it will load and sometimes it won't.
It's important to note that all sites / accounts that exist work fine without this issue. Only new ones I create experience this.
The first thing I assumed was DNS may not propagating, or the nameserver was acting up. I've ruled this out however by creating multiple domains using various nameservers - all end up with the same inconsistent results. I'm also not using any type of load balancing (which I've seen cause a similar problem). I really have no earthly idea on what could be causing this. None of the Apache logs indicate any problems. I've attempted browsing to these sites from different machines across the US, all with the same result. I've also just tried restarting all services (e.g. DirectAdmin, Apache, etc) with no luck. There are also no OS updates associated with web software needing installed, nor are there any CustomBuild updates needed (excluding Let's Encrypt and Libpng). Lastly, I have not made any custom changes to the Apache config files that DirectAdmin generates on its own.
If anyone has any idea what could be the problem, I would love just a direction to go in or theory or idea or whatever. This is driving me crazy.
Here are a few links to test with if needed. If you keep hitting refresh you get different results:
- DA Splash Page: http://willthiswork.tk
- HTML5 Template: http://willthiswork.tk/html5/
- CentOS 6.8
- Apache 2.4.23
- DA 1.50.1
- CustomBuild 2.0.0 (rev: 1572)
