Yes this dataset is now gone, but the data resides in the crawl
dataset.
See this notice: [NOTICE] Reorganizing the har and runs datasets on BigQuery
Here’s an example query to find all WordPress sites in the top 1,000 pages:
SELECT
COUNT(DISTINCT root_page) AS num_origins
FROM
`httparchive.crawl.pages`
WHERE
date = '2024-04-01' AND
rank <= 1000 AND
'WordPress' IN UNNEST (technologies.technology)