Ratings "Trace Decay" was viewed by 1.78 million American households on its initial viewing. The episode also acquired a 0.8 rating in the 18–49 demographic.
Critical reception received widespread acclaim for her performance and was nominated for
Outstanding Supporting Actress in a Drama Series. "Trace Decay" received highly positive reviews from critics. The episode has a 94% score on
Rotten Tomatoes and has an average rating of 8.2 out of 10, based on 18 reviews. The site's consensus reads: "Providing its major characters rich layers of context,
Westworlds 'Trace Decay' begins pulling together the elements of the park's origins and setting the stage for what is sure to be a thrilling conclusion." Terri Schwartz of
IGN reviewed the episode positively, saying, "While
Westworld didn't offer any true resolutions to some of its biggest questions, it teased them out in an interesting way and offered a lot more context to major characters like Maeve and the Man in Black." She gave it a score of 8.7 out of 10. Zack Handlen of
The A.V. Club wrote in his review, "With two episodes left in the first season, the action is pulling together and the stakes are rising, and yet elements crucial to our understanding remain withheld." He gave the episode a B. She gave the episode a B+. Ed Power of
The Daily Telegraph wrote in his review, "For once it was worth paying attention as
Westworld dropped further breadcrumbs regarding the park's origins and Bernard's role in its creation." David Crow of
Den of Geek said in his review, "The hour felt like a comedown, a slowing and re-calibration before the final two episodes presumably blow us all away as if we're a poor, dull-eyed sheriff walking away from Armistice while she has a rifle trained on our backside." He gave the episode a 3.5 out of 5.
Accolades ==References==