Products Web Articles by Houssein Djirdeh Developer Advocate http Prototyping Stack Packs for Lighthouse Instead of only surfacing generalized advice, Stack Packs will extend Lighthouse to include additional messages for specific tools. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated May 29, 2019.