Links should accessible for all users who are not using a mouse so make sure you can both navigate to and activate a link on your page using only the tab and enter keys.
When creating your links, it is best to use words that convey briefly but in a meaningful way what the person will get if they click the link. “Click here” or “more” are not terribly meaningful. Also do not use the url as the link text. Screen reader technology will read the entire link if you do this and that can be very annoying depending on the length of your link. Also know that screen reader technology will announce to the user that they are on a link so you do not need to say “link to…” in your link text.
If you are using an image as a link, the alternative text for that image should not describe the image but should instead describe what will happen if the person clicks it.