JS SEO Lab https://jsseo.dev Empirical research on what JavaScript content patterns deliver to bots and LLM fetchers in 2026. Open methodology, open data, reproducible findings. en Tue, 02 Jun 2026 13:22:28 +0000 Most AI batch crawlers never fetched our robots.txt https://jsseo.dev/findings/most-ai-crawlers-never-fetched-robots-txt/ https://jsseo.dev/findings/most-ai-crawlers-never-fetched-robots-txt/ Tue, 02 Jun 2026 00:00:00 +0000 Jakub Sawa findings Bingbot splits traffic between two subsystems. Only one of them executes JavaScript. https://jsseo.dev/findings/bingbot-splits-into-two-subsystems/ https://jsseo.dev/findings/bingbot-splits-into-two-subsystems/ Tue, 26 May 2026 00:00:00 +0000 Jakub Sawa findings NotebookLM ran our JavaScript https://jsseo.dev/findings/notebooklm-ran-our-javascript/ https://jsseo.dev/findings/notebooklm-ran-our-javascript/ Sat, 23 May 2026 00:00:00 +0000 Jakub Sawa findings OAI-SearchBot only fetched robots.txt https://jsseo.dev/findings/oai-searchbot-only-fetched-robots-txt/ https://jsseo.dev/findings/oai-searchbot-only-fetched-robots-txt/ Fri, 22 May 2026 00:00:00 +0000 Jakub Sawa findings Rendering mode was the wrong axis https://jsseo.dev/findings/rendering-mode-was-the-wrong-axis/ https://jsseo.dev/findings/rendering-mode-was-the-wrong-axis/ Mon, 18 May 2026 00:00:00 +0000 Jakub Sawa findings