PLANET-5503 Investigate PageSpeed report and identify potential fixes and enhancements

[planet-4]

Currently the PageSpeed is not giving us a very high score (especially on mobile). At the time this ticket was created we had 38 on Mobile and 68 on Desktop.

https://developers.google.com/speed/pagespeed/insights/?url=https%3A%2F%2Fwww.greenpeace.org%2Finternational%2F&tab=desktop

Tasks

• Go through the report and identify low-hanging fruits we could easily fix.
• Describe available options for solving more complicated issues.
• Potentially contribute code and Pull Requests for the more straightforward issues.

Reporter: nroussos
Sections: 

Potentially affected repositories: planet4-master-theme, planet4-plugin-gutenberg-blocks