Check to see if ipv6 connectivity is enabled in wireless network connection status. If so disable it and see if it improves. You should be able to do this by right-clicking the wifi symbol bottom right of your task bar, open network and sharing centre, click wifi name next to your connection. If ipv6 is enabled click on properties and disable it.
What is Markdown?
Markdown lets you add more formatting to your post. Simply type in your post and it will display as written.
If you wish to add bold or italic characters, add a hyperlink to another website, a heading or a horizontal line, simply use the relevent icons above the text input field.
A preview of your post will appear in the grey box below. If you make a change and you're not happy, simply press the back arrow icon to undo.