section.io Website Performance and Security Blog

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

Varnish is Caching Pages and ignoring "Cache-control: no-cache" header

Ivan Hamilton | July 06, 2015 |

TL;DR; - Before V4.0.0 Varish ignored the “Cache-control: no-cache” header by default, and you’ll need to handle this yourself in your VCL.

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Traffic Throttling Mechanisms

Jason Stangroome | May 28, 2015 |

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Excellent Google PageSpeed Service Alternative

Stewart McGrath | May 11, 2015 |

With Google’s recent announcement of the “Turn Down of PageSpeed Service”, users of the service should be asking what to do next.

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What do we believe in at section.io

Stewart McGrath | May 08, 2015 |

Last year our team gathered at an offsite to consider issues with current CDN providers and the problems with use of global content delivery solutions. We recognized the closed nature of the distributed networks available and at the same time identified the deployment and distribution limitations of the excellent opensource tooling required for content delivery clouds (such as Varnish Cache for HTML caching). These issues lead us to build section.io.

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Varnish Install Quick and Detailed

Matthew Johnson | April 30, 2015 |

How To Install Varnish

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Managing Varnish Cache Hit Rate During Deployment

Daniel Bartholomew | April 10, 2015 |

As you work on new features in your application it is important to keep your Varnish VCL code up to date with your application’s needs.

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Varnish Logs Centralized and Managed by Elasticsearch, Logstash and Kibana

Daniel Bartholomew | April 06, 2015 |

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.

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Varnish Monitoring using Graphite for Metrics

Daniel Bartholomew | April 01, 2015 |

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.

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Checklist of Jobs for Deploying Varnish Cache

Daniel Bartholomew | March 26, 2015 |

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