An introduction to HTTP/2 for SEOs
In the mid 90s there was a famous incident where an email administrator at a US University fielded a phone call from a professor who was complaining his department could only send emails 500 miles. The professor explained that whenever they tried to email anyone farther away their emails failed — it sounded like nonsense, but it turned out to actually be happening. To understand why, you need to realise that the speed of light actually has more impact on how the internet works than you may think. In the email case, the timeout for connections was set to about 6 milliseconds – if you do the maths that is about the time it takes for light to travel 500 miles.
We’ll be talking about trucks a lot in this blog post!
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