| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| H5PCore | 288 | 1,246 | |
| H5P_Plugin | 209 | 966 | |
| H5PContentValidator | 191 | 1,008 | |
| H5PWordPress | 154 | 898 | |
| H5PValidator | 145 | 469 | |
| H5P_Plugin_Admin | 144 | 779 | |
| H5PContentAdmin | 131 | 742 | |
| H5peditor | 124 | 441 | |
| H5PLibraryAdmin | 87 | 511 | |
| H5PDefaultStorage | 79 | 279 | |
| H5PEditorAjax | 59 | 239 | |
| H5PContentQuery | 54 | 203 | |
| H5PStorage | 38 | 142 | |
| H5peditorFile | 33 | 140 | |
| H5PExport | 32 | 121 | |
| H5PMetadata | 31 | 59 | |
| H5PEventBase | 30 | 69 | |
| H5PEditorWordPressStorage | 25 | 138 | |
| H5PDevelopment | 24 | 87 | |
| H5PPrivacyPolicy | 23 | 413 | |
| H5PEditorWordPressAjax | 10 | 86 | |
| H5P_Event | 4 | 43 | |
| H5PHubEndpoints | 2 | 4 | |
| H5PEditorEndpoints | 0 | 0 | |
| H5PDisplayOptionBehaviour | 0 | 0 | |
| H5PContentStatus | 0 | 0 | |
| H5PPermission | 0 | 0 | |
| H5PContentHubSyncStatus | 0 | 0 |