Website Performance and Security Blog

Where our team discusses website performance, scalability and security. We write about Varnish Cache, Modsecurity, CDNs, releases, and our team.

How to Accelerate a Mobile Website

Stewart McGrath | March 10, 2014 |

A couple of months ago, I posted some thoughts on what mobile optimised website really means. With those thoughts as background, Id like to explore what we need to do in order to tackle website optimisation for users on cellular networks in particular. So, for the purposes of this discussion, lets refer to cellular connected small screen devices as Mobile devices or browsers.

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Squixa Recorded as the Fastest CDN in the USA

Stewart McGrath | March 02, 2014 |

We are thrilled to announce Squixa as the fastest commercially available CDN in the USA.

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Dynamic Site Acceleration

Stewart McGrath | January 10, 2014 |

There are number of modes of speeding up a website which CDNs can help deliver. Depending on the vendor, these modes can be packed up into one bundle or offered as premium add-ons to the basic caching and offload service. One such often spruiked add-on product is Dynamic Site Acceleration (DSA). CDNs claim this is vital for sites which serve dynamic content. Lets have a look at how DSA works and how much difference it can really make.

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How to Choose a CDN for your Website

Stewart McGrath | November 26, 2013 |

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Does Speed Improve Every Website?

Stewart McGrath | October 24, 2013 |

There have been a number of studies and surveys conducted to understand the impact of website performance on the profitability of websites. We know that the studies have consistently discovered that faster websites deliver (among other things) lower bounce rates, increased pages viewed per session and higher rates of onsite conversion in ecommerce websites.

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Website Performance in the Marketing Mix

Matt Johnson | October 10, 2013 |

Most people are aware of the benefits of website performance on their website and business in general.

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Sharding Antipatterns

Daniel Bartholomew | October 09, 2013 |

At we commonly rewrite HTML to remove over-zealous attempts at domain sharding.

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Facebook; Friend or Fiend – The Cost of Social Media

Stewart McGrath | September 25, 2013 |

You need social media on your website right?” The Social Media experts have insisted it is a no brainer.” You have developed your social media strategy which the CEO has “Liked” and you have now instructed the development team to get the Buttons, Links and Like numbers on your web pages.”” Now you just need to relax as the website goes viral on FB and Pinterest.

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Versioning for fun and profit

Glenn Slaven | September 20, 2013 |

When people come to your website, often the majority of the time that they’re waiting for the site to load is caused by the browser needing to download files from your server. “Things like images, javascript and css. “Even when they’re properly minified and compressed these things take time to download. “Also, each time someone requests a file, your server needs to respond to it: it needs to”establish the connection, render the content (image or text) then it needs to travel down the wire through all the different connections to the visitor’s browser. And without caching it has to do this same thing every time for every visitor for every page they visit.

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