The biggest bottleneck in web performance today is CPU. Compared to seven years ago, there’s 5x more JavaScript downloaded on the top 1000 websites over the last seven years, and 3x more CSS. Half of web activity comes from mobile devices with a smaller CPU and limited battery power.
Recent articles
- Putting Gemini 2.5 Pro through its paces - 25th March 2025
- New audio models from OpenAI, but how much can we rely on them? - 20th March 2025
- Calling a wrap on my weeknotes - 20th March 2025