2. Avoiding @import directive in an external CSS
3. Mega Menu both for desktop and mobile view
4. ALT attributes option for all images.
5. <H1> headline option at the beggining of page;best option.
Page must not contain more than one <H1> tag
If page start with slider then headline for each <h2> is ok
but following that below row should contain <h1> tag
However, if it is possible , avoiding slider is better option for SEO
6. If google font is used then just one
For multiple font, Merging multiple fonts into a single request is best
7. Image optimization plugin –
Optimus supports the conversion of images to the new WebP image format.