The article has a whole section about how Ladybird scores better on several web benchmarks. Even if you don't read the article it's right there under the title:

The article has a whole section about how Ladybird scores better on several web benchmarks. Even if you don't read the article it's right there under the title: "I believe that Ladybird has more funding and better support for the web, but Servo wins in performance. Though, they're hard to compare directly!" Sounds pretty balanced to me.