Welcome to the Pulse: This week, we’re looking at how to use a 503 during brief PHP patch downtime, what robots.txt controls for AI crawlers and agents, and how Google handles bracket URLs and JPEG XL images.

Here’s what matters for you and your work.

Google Says Serve A 503 When Taking Sites Down For PHP Patches

In a LinkedIn post on Oct. 21, Google Search Central reminded anyone taking…

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