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DNS is not the bottleneck for page load speeds, especially now that 99% of the internet has images or video (even if the images are not a main focus of the webpage, such as a news article's image header)


Bandwidth bottleneck, no. Latency, time to first usable content on screen, absolutely.


> time to first /usable/ content on screen

If we are going by time to first /usable content/, then I would blame javascript for most of the it.


Also consider that every shitty webpage needs to load ressources from a dozen other domains.




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