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Stale-While-Revalidate, Stale-If-Error Available Today

Steve Souders

Fastly is excited to announce that as of today, we support stale-while-revalidate and stale-if-error. As a company dedicated to building a better Internet, we work hard to identify and support new standards that move the Web forward. Read on for an explanation of how these Cache-Control extensions make the Web faster and more reliable for browsers and CDNs, and check out documentation of these features.

Performance
Product

A New Stage of Growth for Fastly

Artur Bergman

Today we’re excited to announce that Fastly has raised a $40 million Series C round.

Using ESI, Part 1: Simple Edge-Side Include

Simon Wistow

Fastly customers can use ESI to cache pages that contain both cacheable and uncacheable content (such as user-specific information).

Performance

Best practices for using the Vary header

Rogier Mulhuijzen

Vary is one of the most powerful HTTP response headers. However, if used incorrectly, it can cause problems for developers. Understand vary header best practices to reduce mistakes and improve performance.

Performance
Engineering

More Advanced Security Features for Your Fastly Account

Simon Wistow

Security is one of our top priorities at Fastly. We recognize that having your account compromised could have a profoundly negative impact on your business, leaving you and your customers vulnerable and at risk. So, with enthusiastic feedback from our customers, we've been testing out ways to improve account security features. Today, we're pleased to release two-factor authentication and IP account access restrictions.

Security

Adaptive Plots Using Epoch

Ryan Richards

Introduced in the most recent release (0.6.0), adaptive plots add a level of flexibility and interaction that was sorely missing in the library. In this post, we’ll talk about what this means, and how you can leverage the plots in your applications to create smooth, beautiful, and useful data visualizations.

Caching “Like” and “Share” Buttons

Simon Wistow

In a blog post about caching with tracking cookies, I explained how Fastly’s edge scripting language allows businesses to cache things that were previously uncacheable as well as send data back via our real-time logging system. But what happens when you need to cache something more complicated, such as a product that handles user interaction?

Performance

Test New Encodings With Fastly, Including WebP

Rogier Mulhuijzen, Austin Spires

At Fastly, we believe that the freedom to experiment is what makes the web great. We're excited by the cutting edge breakthroughs in file encodings that are happening almost every day, making the web better and faster.

Fastly at OSCON 2014

Elaine Greenberg

Next week, we’ll be traveling up to beautiful Portland, Oregon to attend OSCON, O’Reilly’s Open Source Convention. We’re extremely excited to sponsor, attend, and speak at the conference this year.

Announcing our Inaugural Varnish Meetup in NYC

Elaine Greenberg

Over the past few years, the various boroughs of New York have come together to build a very active technology community. We’ve been attending a lot of these community events, and now we’ve decided to give back.

Introducing Epoch, a Real-Time Visualization Library

Ryan Richards

Today, we’re excited to announce that we’ve taken Fastly's stats tools one step further and distilled our visualization code into a stand-alone open source library. Introducing Epoch: a general purpose, real-time visualization library.

Fastly at Velocity Santa Clara 2014

Kacie Hendrickson

We’re excited to be at Velocity Santa Clara this week (June 24-26) to talk about the future of web performance, meet new people, and participate in a few offsite events!

Level Up Your Log: Pro Tips for Streaming Logs

Austin Spires

Streaming logs is one of our most popular features. It's fast and flexible, giving operations teams more data from the edge than ever before and in real time. Since its release, we've seen Fastly customers use some cool tricks in configuring their log streams for a wide variety of use cases, and we wanted to share some tips.

A Cache Recipe for Success

Cassandra Dixon

With Fastly, you have the freedom and flexibility to completely customize your caching settings. From respecting Cache-Control headers sent from your origin servers to allowing you to granularly set rules for any object or set of objects that flow through the CDN, we give you full control.

Announcing the Fastly Drupal 7 Module

Ryan Richards

We’re always looking for ways to make it easier to integrate with Fastly. Recently, we’ve targeted a few high-profile frameworks, such as Ruby on Rails, and built plugins for them. This week, we’re happy to announce the latest plugin in our growing library: the Fastly Drupal 7 Module.

Steve Souders on High Performance Web Components

Kelly Jandro

At April's WebPerf meetup in San Francisco, Fastly Chief Performance Officer Steve Souders discussed the synchronous and asynchronous nature of Web Components, and how they can impact the rendering of the entire page.

Jason Cook's "Stupid Boot Tricks"

Kelly Jandro

Fastly principal engineer Jason Cook explains how he uses iPXE and Chef to get to boot management bliss. Check out his slides from ChefConf 2014 here.    

Ruby on Rails on Fastly

Ryan Richards

Fastly is a developer-minded CDN, so we're always looking for ways to integrate with the most popular frameworks and platforms. Today, we're happy to announce a number of improvements aimed at the Ruby on Rails community.

Jason Cook at ChefConf 2014

Kelly Jandro

Today, Fastly principal engineer Jason Cook will be speaking at ChefConf 2014 in San Francisco. His talk will focus on building a boot system using Chef's API and iPXE to create a lightweight tool for managing install and firmware updating of hosts and network gear.

Fastly Update on 'Heartbleed'

Christopher Brown

Here’s the latest update on the ongoing resolution to critical OpenSSL vulnerability CVE-2014-0160, aka 'Heartbleed,' which was announced on April 7th and affects nearly every Internet service provider and website using SSL to secure customer traffic.

Security