Any Ways to Boost WordPress Performance Speed?

[JDHD]

What ways can you recommend me to boost my wordpress performance and speed?
The thing is that one of my co-workers draw my attention to FLATsite.com static wordpress site generator.
Would like to know your views on it? Have you tried it?
Any other suggestions, please?

[jacobwallace]

7 strategies to make your WordPress page load faster
1. Make your photographs as good as possible. The most prevalent cause of sluggish WordPress blogs is oversized pictures.
2. Turn on caching.
3. Consider your strategy from the perspective of a mobile device.
4. Enable compression with GZIP.
5. Compress CSS, HTML, and JS files.
6. Plugins should be updated.
7. Make sure your database is clean.