Performance 
Lighthouse performance checklist 
Below is a list of items that you can use to quickly audit the performance of your application. This list is not exhaustive, but rather a starting point.
WARNING
Please remember that the Lighthouse score should be checked only on the production build.
Performance 
- Images have appropriate resolution
- Images are in WebPformat
- Third part code is loaded asynchronously
- Images are lazy loaded
- All custom event listeners are destroyed with their components
Accessibility 
- All images are described by altattribute
- Contrast is correct
- aria-labelare added to HTML tags
Best Practices 
- httpsconnection is used
- Page follows a semantic HTML structure
SEO 
- robots.txtis added
- All pages have metadata (title, description, tags)