Webhosting:
Use webhosting provided by trusted and reputed Webhost companies only. Make sure your that they don''t allow anything illegal on their servers.
Website Template:
You should use simple and responsive template to get adsense apporved fast, Avoid use of heavy flash flies, audios and videos, which make loading of your website slow.
Under Construction:
You shouldn''t have any webpage saying under construction or cooming soon, etc. If you have remove it before applying for adsense or Google Experts will assume that your website is underconstruction and will reject your application.
Navigation:
You should have a clear navigation system. Make sure that you have navigation menu in both desktop and mobile versions of your website.
Content:
Your Website should have atleast 2-3 posts. Make sure, your posts contain headline and two-three pahragraphs of text, You should have more text, less images and videos in your posts.
No Copy-Paste:
Avoid copy pasting content from other websites. Write posts in your own way. It wouldn''t be that attractive but It would be original and better than me :D
Nothing Ill-Legal:
Don''t post anything that voilates Google''s polices. For Example: porn, nulled scripts, cracked softwares, keyloggers, hatred speech, movies, pdfs etc. Even avoid posting links of websites which contain these stuff.
Pages:
Make Sure you have basic pages like About Us and Contact Us.
Site Map:
Create sitemap of your website. It is also important for seo.
Apply:
Apply for the services like google Webmaster Tools, Google AdWords, Google Analytic, etc. and Now apply for google adsense. I am sure you will get approved in 3 Days :)
