| A | ↘ | B | PublishDateExtractor got worse |
| ⇢ | C | PublishDateExtractor::getDateFromSchemaOrg() added | |
| ⇢ | C | PublishDateExtractor::getDateFromParsely() added | |
| ⇢ | B | PublishDateExtractor::getDateFromDublinCore() added | |
| ⇢ | B | PublishDateExtractor::getDateFromOpenGraph() added | |
| A | ↘ | B | MetaExtractor::getOpenGraph() got worse |
| A | ↘ | B | PublishDateExtractor::run() got worse |