          let td_title = document.createElement('td');
            td_title.colSpan = 2;
            td_title.appendChild(document.createTextNode('Load time: '));
            tr.appendChild(td_title);

            sorted_indices.map(idx => {
                const curr_timing = filtered_data[idx].load_time;
                const baseline_timing = Math.min(...filtered_data.map(elem => elem.load_time).filter(x => x));
                const ratio = curr_timing / baseline_timing;

                let td = docume