7 reasons you need a CDN with image optimization

7 reasons you need a CDN with image optimization

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James Middleton
James Middleton
July 29th, 2021

If your website hosts lots of images, an image optimizer that integrates with your CDN can deliver a better user experience, better file security, and reduce your costs.…

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Why the closest geographical path on the internet isn't always the fastest

Why the closest geographical path on the internet isn't always the fastest

Posted by: 
Dejan Grofelnik Pelzel
Dejan Grofelnik Pelzel
January 14th, 2021

If you ever wonder why you're being routed to a location that might not seem like the optimal destination at first, there's a high chance it simply offers a better route for your specific ISP.…

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Protecting Against CDN Cache Poisoning

Protecting Against CDN Cache Poisoning

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Dejan Grofelnik Pelzel
Dejan Grofelnik Pelzel
August 31st, 2020

Recently, a new type of denial of service attack has surfaced that directly targets CDNs. The so-called cache poisoning attack works by poisoning the responses cached from the origin server.…

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Why HTTP/2 Domain Sharding Might Actually Be Hurting Your Performance

Why HTTP/2 Domain Sharding Might Actually Be Hurting Your Performance

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Dejan Grofelnik Pelzel
Dejan Grofelnik Pelzel
December 26th, 2017

In the past, browsers had a limit of downloading a single request per connection as well as limiting the number of connections per hostname to prevent excessive load on the computers and server. This meant that for each request, the browser would potentially send hundreds of requests.…

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Speed Up Your CDN With DNS Prefetch

Speed Up Your CDN With DNS Prefetch

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Dejan Grofelnik Pelzel
Dejan Grofelnik Pelzel
May 14th, 2016

There's a neat little trick that allows you to Speed Up Your CDN With DNS Prefetch. This can reduce the load time of your time anywhere from a few up to a few hundred milliseconds.…

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