Selecting Your Domain Name
It is important to use the keywords you wish to rank for in Google right there in your domain name. If you're not sure then use the Google Trends tool to search for trending keywords and keyword phrases. When your keyword and/or keyword phrases are present in your domain name then visitors will be more likely to land on your website when they search your niche. For this demonstration, let's use an Internet Marketing Sub-Niche like Affiliate Marketing. A good domain will then be to the liking of "theaffiliatemarketer(.)com" or even "marketingaffiliateincome(.)com". Try having at least one of your keywords in your domain name.
Selecting Your Website Title
Inside your website builder, be sure to load an appropriate tile for your website. Much like your domain selection, you must also try to target as many keyword or keyword phrases as you can. Keywords and keyword phrases are the core of any website's success, when you get the keywords wrong is when you have thousands of visitors with zero sales because they're not interested in your offer. Same goes for your Home Page content where your keywords and/or keyword phrases should appear no less than 28 times on your Home Page within the content.
Loading General Graphics
You always want to load images as large as you can from inside your website builder, this way you will have much better resolution when you crop or shrink the images. Don't overdo with images and/or banners because it slows down your website's load time. Remember that your website must open within six seconds or less. Focus more on offering useful content that kind of funnels into a sale, rather than trying directly with a flood of sales pitches.
Give your visitor reason to stay on your website, that way your visitor will be more likely to convert to a buyer.