> Markdown version of [/magazine/778-dev-digest-240-more-css-performance-what-are-llms-worth-logos-brighter-than-fff](https://www.wearedevelopers.com/magazine/778-dev-digest-240-more-css-performance-what-are-llms-worth-logos-brighter-than-fff). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Dev Digest 240: More CSS = Performance++, What are LLMs Worth & Logos Brighter Than #FFF

**By:** [Daniel Cranney](https://www.wearedevelopers.com/@daniel-cranney)

**Published:** October 5, 2026

🤖 Which LLM is worth it  
🛡️ How to engineer safer agents  
📋 Anthropic’s misuse report, condensed to 117 findings  
📦 Ship cleaner packages as an npm subfolder  
⚡ Improving site performance by shipping more CSS  
📄 Beautiful PDFs, emails and OG images made simple with shadCDN  
✨ Make your logo brighter than white  
🧑‍💻 A staff engineer’s guide to inventing work  
😡 Page rage

### Featured Video

In Friday’s Featured Video we sat down with Sam Liu, co-founder of PUFO, where we talk about what it’s like to build Whatsapp for agents.

https://www.youtube.com/embed/n8Ur40DgbKc

[Watch Sam Liu on Coffee with Developers](https://www.wearedevelopers.com/videos/2154-agents-and-people-dynamics-in-shared-chats-sam-liu), as well as thousands of hours of content here on the WeAreDevelopers platform.

Alternatively, you can listen on [Apple Podcasts](https://podcasts.apple.com/us/podcast/coffee-with-developers/id1779243591) or on [Spotify](https://open.spotify.com/show/6bcMqLcQJXJTZjcdCHLcno).

* * *

🗞️ Join over 200,000 developers already subscribed to the Dev Digest to get your weekly round-up of tech news, tips and tricks, jobs, events and more, delivered to your inbox. [Subscribe here](https://wearedevelopers.com/devdigest).



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