diff --git a/messages/en.json b/messages/en.json
index bb01951..d0dafa4 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -47,6 +47,7 @@
       "errors": "errors",
       "noErrors": "No errors",
       "noWarnings": "No warnings",
+      "noInfoNotices": "No info notices",
       "warnings": "warnings",
       "infoNotices": "info notices"
     },
@@ -266,6 +267,8 @@
     "datasetHistoryColumns": {
       "downloadedAt": "Downloaded At",
       "serviceDateRange": "Service Date Range",
+      "sizeZipped": "Size Zipped (MB)",
+      "sizeUnzipped": "Size Unzipped (MB)",
       "validationReport": "Validation Report",
       "actions": "Actions"
     },
diff --git a/messages/fr.json b/messages/fr.json
index 64bcf3f..f5f4b3c 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -47,6 +47,7 @@
       "errors": "errors",
       "noErrors": "No errors",
       "noWarnings": "No warnings",
+      "noInfoNotices": "Aucune notice d'information",
       "warnings": "warnings",
       "infoNotices": "info notices"
     },
@@ -266,6 +267,8 @@
     "datasetHistoryColumns": {
       "downloadedAt": "Téléchargé le",
       "serviceDateRange": "Plage de dates de service",
+      "sizeZipped": "Taille compressée (Mo)",
+      "sizeUnzipped": "Taille décompressée (Mo)",
       "validationReport": "Rapport de validation",
       "actions": "Actions"
     },
diff --git a/src/app/screens/Feed/components/DataQualitySummary.tsx b/src/app/screens/Feed/components/DataQualitySummary.tsx
index 8435adc..c52892f 100644
--- a/src/app/screens/Feed/components/DataQualitySummary.tsx
+++ b/src/app/screens/Feed/components/DataQualitySummary.tsx
@@ -42,9 +42,9 @@ export default async function DataQualitySummary({
             <>
               <Chip
                 data-testid='error-count'
-                clickable
+                clickable={Boolean(latestDataset?.validation_report?.url_html)}
                 component='a'
-                href={latestDataset?.validation_report?.url_html}
+                href={latestDataset?.validation_report?.url_html ?? undefined}
                 target='_blank'
                 rel='noopener noreferrer nofollow'
                 icon={
@@ -77,9 +77,9 @@ export default async function DataQualitySummary({
 
               <Chip
                 data-testid='warning-count'
-                clickable
+                clickable={Boolean(latestDataset?.validation_report?.url_html)}
                 component='a'
-                href={latestDataset?.validation_report?.url_html}
+                href={latestDataset?.validation_report?.url_html ?? undefined}
                 target='_blank'
                 rel='noopener noreferrer nofollow'
                 icon={
@@ -112,16 +112,29 @@ export default async function DataQualitySummary({
 
               <Chip
                 data-testid='info-count'
-                icon={<InfoOutlinedIcon />}
-                clickable
+                icon={
+                  (latestDataset?.validation_report?.unique_info_count ?? 0) >
+                  0 ? (
+                    <InfoOutlinedIcon />
+                  ) : (
+                    <CheckCircle />
+                  )
+                }
+                clickable={Boolean(latestDataset?.validation_report?.url_html)}
                 component='a'
-                href={latestDataset?.validation_report?.url_html}
+                href={latestDataset?.validation_report?.url_html ?? undefined}
                 target='_blank'
                 rel='noopener noreferrer nofollow'
-                label={`${
-                  latestDataset?.validation_report?.unique_info_count ?? '0'
-                } ${tCommon('feedback.infoNotices')}`}
-                color='primary'
+                label={
+                  (latestDataset?.validation_report?.unique_info_count ?? 0) > 0
+                    ? `${latestDataset?.validation_report?.unique_info_count} ${tCommon('feedback.infoNotices')}`
+                    : tCommon('feedback.noInfoNotices')
+                }
+                color={
+                  (latestDataset?.validation_report?.unique_info_count ?? 0) > 0
+                    ? 'primary'
+                    : 'success'
+                }
                 variant='outlined'
               />
             </>
diff --git a/src/app/screens/Feed/components/PreviousDatasets.tsx b/src/app/screens/Feed/components/PreviousDatasets.tsx
index f46c907..2c4c5af 100644
--- a/src/app/screens/Feed/components/PreviousDatasets.tsx
+++ b/src/app/screens/Feed/components/PreviousDatasets.tsx
@@ -162,6 +162,22 @@ export default function PreviousDatasets({
                 >
                   {t('datasetHistoryColumns.serviceDateRange')}
                 </TableCell>
+                <TableCell
+                  component='th'
+                  scope='col'
+                  sx={{ fontWeight: 'bold' }}
+                  align='right'
+                >
+                  {t('datasetHistoryColumns.sizeZipped')}
+                </TableCell>
+                <TableCell
+                  component='th'
+                  scope='col'
+                  sx={{ fontWeight: 'bold' }}
+                  align='right'
+                >
+                  {t('datasetHistoryColumns.sizeUnzipped')}
+                </TableCell>
                 <TableCell
                   component='th'
                   scope='col'
@@ -216,6 +232,20 @@ export default function PreviousDatasets({
                         </Box>
                       )}
                   </TableCell>
+                  <TableCell align='right'>
+                    <Typography variant='body1'>
+                      {dataset?.zipped_folder_size_mb != null
+                        ? dataset.zipped_folder_size_mb
+                        : '–'}
+                    </Typography>
+                  </TableCell>
+                  <TableCell align='right'>
+                    <Typography variant='body1'>
+                      {dataset?.unzipped_folder_size_mb != null
+                        ? dataset.unzipped_folder_size_mb
+                        : '–'}
+                    </Typography>
+                  </TableCell>
                   <TableCell sx={{ textAlign: { xs: 'left', xl: 'center' } }}>
                     {dataset.validation_report == null && (
                       <Typography sx={{ ml: '4px' }}>
@@ -224,106 +254,190 @@ export default function PreviousDatasets({
                     )}
                     {dataset.validation_report != null && (
                       <>
-                        <Chip
-                          component='a'
-                          clickable
-                          href={`${dataset?.validation_report?.url_html}`}
-                          target='_blank'
-                          rel='noreferrer nofollow'
-                          sx={{ m: '4px' }}
-                          icon={
-                            dataset?.validation_report?.unique_error_count !=
-                              undefined &&
-                            dataset?.validation_report?.unique_error_count >
-                              0 ? (
-                              <ReportOutlined aria-hidden />
-                            ) : (
-                              <CheckCircle aria-hidden />
-                            )
-                          }
-                          label={
+                        <Tooltip
+                          title={
                             dataset?.validation_report?.unique_error_count !=
                               undefined &&
                             dataset?.validation_report?.unique_error_count > 0
-                              ? `${
-                                  dataset?.validation_report?.unique_error_count
-                                } ${tCommon('feedback.errors')}`
+                              ? `${dataset.validation_report.unique_error_count} ${tCommon('feedback.errors')}`
                               : tCommon('feedback.noErrors')
                           }
-                          aria-label={
-                            dataset?.validation_report?.unique_error_count !=
-                              undefined &&
-                            dataset?.validation_report?.unique_error_count > 0
-                              ? `${dataset.validation_report.unique_error_count} ${tCommon('feedback.errors')} – ${t('datasetHistoryTooltip.viewReport')}`
-                              : `${tCommon('feedback.noErrors')} – ${t('datasetHistoryTooltip.viewReport')}`
-                          }
-                          color={
-                            dataset?.validation_report?.unique_error_count !=
-                              undefined &&
-                            dataset?.validation_report?.unique_error_count > 0
-                              ? 'error'
-                              : 'success'
-                          }
-                          variant='outlined'
-                        />
-                        <Chip
-                          sx={{ m: '4px' }}
-                          component='a'
-                          clickable
-                          href={`${dataset?.validation_report?.url_html}`}
-                          target='_blank'
-                          rel='noreferrer nofollow'
-                          icon={
-                            dataset?.validation_report?.unique_warning_count !=
-                              undefined &&
-                            dataset?.validation_report?.unique_warning_count >
-                              0 ? (
-                              <ReportOutlined aria-hidden />
-                            ) : (
-                              <CheckCircle aria-hidden />
-                            )
-                          }
-                          label={
-                            dataset?.validation_report?.unique_warning_count !=
-                              undefined &&
-                            dataset?.validation_report?.unique_warning_count > 0
-                              ? `${
+                          placement='top'
+                        >
+                          <Chip
+                            component='a'
+                            clickable={Boolean(
+                              dataset?.validation_report?.url_html,
+                            )}
+                            href={
+                              dataset?.validation_report?.url_html ?? undefined
+                            }
+                            target='_blank'
+                            rel='noreferrer nofollow'
+                            sx={{
+                              m: '4px',
+                              '.MuiChip-label': {
+                                pr:
                                   dataset?.validation_report
-                                    ?.unique_warning_count
-                                } ${tCommon('feedback.warnings')}`
-                              : tCommon('feedback.noWarnings')
-                          }
-                          aria-label={
+                                    ?.unique_error_count === 0
+                                    ? 0
+                                    : undefined,
+                              },
+                            }}
+                            icon={
+                              dataset?.validation_report?.unique_error_count !=
+                                undefined &&
+                              dataset?.validation_report?.unique_error_count >
+                                0 ? (
+                                <ReportOutlined aria-hidden />
+                              ) : (
+                                <CheckCircle aria-hidden />
+                              )
+                            }
+                            label={
+                              dataset?.validation_report?.unique_error_count !=
+                                undefined &&
+                              dataset?.validation_report?.unique_error_count > 0
+                                ? dataset.validation_report.unique_error_count
+                                : undefined
+                            }
+                            aria-label={
+                              dataset?.validation_report?.unique_error_count !=
+                                undefined &&
+                              dataset?.validation_report?.unique_error_count > 0
+                                ? `${dataset.validation_report.unique_error_count} ${tCommon('feedback.errors')} – ${t('datasetHistoryTooltip.viewReport')}`
+                                : `${tCommon('feedback.noErrors')} – ${t('datasetHistoryTooltip.viewReport')}`
+                            }
+                            color={
+                              dataset?.validation_report?.unique_error_count !=
+                                undefined &&
+                              dataset?.validation_report?.unique_error_count > 0
+                                ? 'error'
+                                : 'success'
+                            }
+                            variant='outlined'
+                          />
+                        </Tooltip>
+                        <Tooltip
+                          title={
                             dataset?.validation_report?.unique_warning_count !=
                               undefined &&
                             dataset?.validation_report?.unique_warning_count > 0
-                              ? `${dataset.validation_report.unique_warning_count} ${tCommon('feedback.warnings')} – ${t('datasetHistoryTooltip.viewReport')}`
-                              : `${tCommon('feedback.noWarnings')} – ${t('datasetHistoryTooltip.viewReport')}`
+                              ? `${dataset.validation_report.unique_warning_count} ${tCommon('feedback.warnings')}`
+                              : tCommon('feedback.noWarnings')
                           }
-                          color={
-                            dataset?.validation_report?.unique_warning_count !=
-                              undefined &&
-                            dataset?.validation_report?.unique_warning_count > 0
-                              ? 'warning'
-                              : 'success'
+                          placement='top'
+                        >
+                          <Chip
+                            sx={{
+                              m: '4px',
+                              '.MuiChip-label': {
+                                pr:
+                                  dataset?.validation_report
+                                    ?.unique_warning_count === 0
+                                    ? 0
+                                    : undefined,
+                              },
+                            }}
+                            component='a'
+                            clickable={Boolean(
+                              dataset?.validation_report?.url_html,
+                            )}
+                            href={
+                              dataset?.validation_report?.url_html ?? undefined
+                            }
+                            target='_blank'
+                            rel='noreferrer nofollow'
+                            icon={
+                              dataset?.validation_report
+                                ?.unique_warning_count != undefined &&
+                              dataset?.validation_report?.unique_warning_count >
+                                0 ? (
+                                <ReportOutlined aria-hidden />
+                              ) : (
+                                <CheckCircle aria-hidden />
+                              )
+                            }
+                            label={
+                              dataset?.validation_report
+                                ?.unique_warning_count != undefined &&
+                              dataset?.validation_report?.unique_warning_count >
+                                0
+                                ? dataset.validation_report.unique_warning_count
+                                : undefined
+                            }
+                            aria-label={
+                              dataset?.validation_report
+                                ?.unique_warning_count != undefined &&
+                              dataset?.validation_report?.unique_warning_count >
+                                0
+                                ? `${dataset.validation_report.unique_warning_count} ${tCommon('feedback.warnings')} – ${t('datasetHistoryTooltip.viewReport')}`
+                                : `${tCommon('feedback.noWarnings')} – ${t('datasetHistoryTooltip.viewReport')}`
+                            }
+                            color={
+                              dataset?.validation_report
+                                ?.unique_warning_count != undefined &&
+                              dataset?.validation_report?.unique_warning_count >
+                                0
+                                ? 'warning'
+                                : 'success'
+                            }
+                            variant='outlined'
+                          />
+                        </Tooltip>
+                        <Tooltip
+                          title={
+                            (dataset?.validation_report?.unique_info_count ??
+                              0) > 0
+                              ? `${dataset?.validation_report?.unique_info_count} ${tCommon('feedback.infoNotices')}`
+                              : tCommon('feedback.noInfoNotices')
                           }
-                          variant='outlined'
-                        />
-                        <Chip
-                          sx={{ m: '4px' }}
-                          component='a'
-                          clickable
-                          href={`${dataset?.validation_report?.url_html}`}
-                          target='_blank'
-                          rel='noreferrer nofollow'
-                          icon={<InfoOutlinedIcon aria-hidden />}
-                          label={`${
-                            dataset?.validation_report?.unique_info_count ?? '0'
-                          } ${tCommon('feedback.infoNotices')}`}
-                          aria-label={`${dataset?.validation_report?.unique_info_count ?? '0'} ${tCommon('feedback.infoNotices')} – ${t('datasetHistoryTooltip.viewReport')}`}
-                          color='primary'
-                          variant='outlined'
-                        />
+                          placement='top'
+                        >
+                          <Chip
+                            sx={{
+                              m: '4px',
+                              '.MuiChip-label': {
+                                pr:
+                                  (dataset?.validation_report
+                                    ?.unique_info_count ?? 0) === 0
+                                    ? 0
+                                    : undefined,
+                              },
+                            }}
+                            component='a'
+                            clickable={Boolean(
+                              dataset?.validation_report?.url_html,
+                            )}
+                            href={
+                              dataset?.validation_report?.url_html ?? undefined
+                            }
+                            target='_blank'
+                            rel='noreferrer nofollow'
+                            icon={
+                              (dataset?.validation_report?.unique_info_count ??
+                                0) > 0 ? (
+                                <InfoOutlinedIcon aria-hidden />
+                              ) : (
+                                <CheckCircle aria-hidden />
+                              )
+                            }
+                            label={
+                              (dataset?.validation_report?.unique_info_count ??
+                                0) > 0
+                                ? dataset?.validation_report?.unique_info_count
+                                : undefined
+                            }
+                            aria-label={`${dataset?.validation_report?.unique_info_count ?? '0'} ${tCommon('feedback.infoNotices')} – ${t('datasetHistoryTooltip.viewReport')}`}
+                            color={
+                              (dataset?.validation_report?.unique_info_count ??
+                                0) > 0
+                                ? 'primary'
+                                : 'success'
+                            }
+                            variant='outlined'
+                          />
+                        </Tooltip>
                       </>
                     )}
                   </TableCell>