| Name | Lines of code | Maintainability | Test coverage |
| src/mediaTypes.js | 4 | A 0 mins | |
| src/native.js | 638 | F 6 days | |
| src/pbjsORTB.js | 31 | A 0 mins | |
| src/polyfill.js | 12 | A 0 mins | |
| src/prebid.js | 591 | F 3 days | |
| src/prebidGlobal.js | 14 | A 0 mins | |
| src/refererDetection.js | 177 | F 3 days | |
| src/secureCreatives.js | 147 | A 1 hr | |
| src/storageManager.js | 198 | D 1 day | |
| src/targeting.js | 484 | F 4 days | |
| src/userSync.js | 215 | D 1 day | |
| src/utils.js | 687 | F 5 days | |
| src/utils/cpm.js | 18 | A 35 mins | |
| src/utils/gpdr.js | 7 | A 0 mins | |
| src/utils/perfMetrics.js | 215 | C 1 day | |
| src/utils/promise.js | 113 | A 0 mins | |
| src/utils/reducers.js | 30 | A 0 mins | |
| src/utils/ttlCollection.js | 117 | B 4 hrs | |
| src/video.js | 39 | A 2 hrs | |
| src/videoCache.js | 74 | A 40 mins | |
| wdio.conf.js | 45 | A 0 mins | |
| wdio.local.conf.js | 12 | A 0 mins | |
| wdio.shared.conf.js | 18 | A 0 mins | |
| webpack.conf.js | 154 | A 1 hr | |
| webpack.creative.js | 24 | A 0 mins |