Most people ask whether www.yourdomain.com is better than yourdomain.com. The answer is up to you. It is considered good practice with SEO and your visitors to be consistent with your URL. Consistency is what matters. Most people type www before they enter a domain name. Technically, www is a subdomain of your domain. Redirecting to www or non-www will make your urls more consistent.
That's right. We helped clean up some SEO issues that Design Roofing Corp faced after the Google Penguin update. We spent the time to contact sites that had improper links and worked with them to remove DHR spam. After that was complete we re-indexed them with both Google and Bing. We did a little work on their site (even made it responsive) and started to work hard on getting them to show up more in searches.
Maybe you reconfigured your virtual hosts, or maybe you have a memory leak that is killing resources and you need to restart the server. Instead of rebooting the VM, you can simply restart apache. Using terminal (MAC OS) or Putty (Windows), you can begin by logging into your server via ssh. Assuming you have permissions, let's get started. It's as simple as using the service command to get the job done.