Interlinking of webpages, creating optimized Title, Meta Description, Implementation of Microdata, social microdata are good thing to go with.
- Acquire The Links - It will be great to get quality backlinks for authority website from the relevant domain. Cross domain links will also welcome it has very high authority.
If we focus on the above strategies properly, we can except decent traffic increment.
And by the way what hosting do you have? I advice some reliable webhosting provider coping with speed and traffic generation. For me it is Zomro (https://zomro.net/)
SEO is great - but so is optimizing your website for conversions!
Life must be balanced !