section.io Website Performance and Security Blog

Sometimes when you are working on Varnish you want to pinpoint a specific request that has happened. For example, your customer service team reports that customers are seeing a “Guru Meditation” error.

Varnish is a great tool in your reverse proxy chain because its superior programming model allows you to make complex caching decisions that are unachievable in other reverse proxy servers.

We have built websites and served websites for customers. We have helped customers accelerate websites and provided them with additional capacity to push through major traffic events. We have tested tried and broken many of the technologies available today to help websites deliver content optimally on a global scale.

So far we have covered sending less data and over shorter distances. In this entry I will discuss the options to send files earlier in the process than might otherwise be possible.

In the last of these posts we discussed the HTTP Archive stats on web page size. Also relevant to webpage performance is the number of roundtrips your customers browser must make to retrieve the objects which make up the page being delivered.

In CDN land there is a super debate over the number of PoPs (Point of Presence) required to get best performance for your website.

As discussed in the last post, the first step in reducing the page load time of any website is to reduce the amount of data which must be sent down the wire to the user’s desktop. The benefits here accrue as there is reduced opportunity for network congestion at any point through the transmission process.

If you believe the marketing hype surrounding website acceleration and performance, there is some seriously secret sauce involved in websites and the transmission of the pages from your origin servers to your users browser.

SEO has a myriad of dos and don”ts.” Sometimes it”s hard to sort the important from the not so important and to find SEO optimisations which not only deliver improved SEO but an improved customer experience.