Here are some ways to optimize a website for mobile:

1. Make your site adaptive to any device – be it desktop, mobile, or tablet.
2. Always scale your images when using a responsive design, especially for mobile users.
3. Use short meta titles.
4. Avoid pop-ups that cover your content and prevent visitors from getting a glimpse of what your content is all about.
5. Less can be more on mobile.
6. Don’t use mobile as an excuse for cloaking.
7. Pick a 100% responsive web design.
8. Correct size of text and photos.
9. Minify and combine your code files, such as HTML, CSS, and JavaScript.
10. Test your website regularly and identify the issues that affect its performance

Common Mistakes

Here are some common mistakes to avoid when optimizing a website for mobile:

1. Failing to optimize for mobile.
2. Cluttered site navigation.
3. Slow loading web pages.
4. Incorrect CTA placement.
5. Un-optimized images.
6. Irrelevant pop-up implementation.