1. largestcontentfulpaint api

2. largestcontentfulpaint api: element

3. largestcontentfulpaint api: id

4. largestcontentfulpaint api: loadtime

5. largestcontentfulpaint api: painttime

6. largestcontentfulpaint api: presentationtime

7. largestcontentfulpaint api: rendertime

8. largestcontentfulpaint api: rendertime: cross-origin

9. largestcontentfulpaint api: size

10. largestcontentfulpaint api: tojson

11. largestcontentfulpaint api: url