--- author: tdro date: 2024-06-20T20:00:00Z tags: [feeds] feed: description: "The latest news from Deno Land Inc." domain: "deno.com" enclosure: "" favicon: "/data/media/favicon.httpsdenocomfeed.png" home: "" link: "https://deno.com/blog/optimizing-our-lsp" name: "Deno" source: "https://deno.com/feed" --- When a customer reported performance issues with the Deno language server, we began a performance investigation that resulted in reducing auto-completion times from 6-8 seconds to under one second in large codebases. This is how we did it.