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Simon Wistow

VP Strategic Initiatives, Fastly

Simon is a co-founder at Fastly, where he helps lead strategic initiatives. Before helping found Fastly, Simon was a senior search engineer at Yahoo! Europe, LiveJournal, SixApart, Scribd, and then at social help desk company Zendesk. In a past life, he worked on R&D for a leading VFX Company doing films like the Harry Potter series, Troy, Kingdom of Heaven, Sunshine, and Wallace and Gromit. At one point he worked as a cowboy in Australia. Mostly because it seemed like a good idea at the time. Find him on Mastodon: @simonwistow@hachyderm.io

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  • The Truth About Blocking AI, And How Publishers Can Still Win

    Simon Wistow

    Many AI crawlers aren’t following the rules, and robots.txt can’t stop them. Blocking Google’s AI means killing your SEO, but publishers aren’t completely out of options. Edge control is becoming their last real defense.

    Security
    Industry insights
  • Control and Monetize Your Content with the RSL Standard

    Simon Wistow

    AI crawlers are scraping the web, often ignoring rules and costing publishers resources. The new RSL Standard lets you block, allow, or even charge AI for access to your content. Here’s how it works.

    CDN & Delivery
    Product
    An illustration of a keyboard with a lever in the middle and a hand pushing the lever forward
  • Why Paying Copyright Holders for AI Training is Essential

    Simon Wistow, John Agger

    AI and creator rights don’t need to clash. A fair, consent-based model can drive innovation without exploiting creative work.

    Industry insights
  • Edge vs Cloud: Where Should AI Live?

    Simon Wistow

    In this article, Simon Wistow shares why hybrid AI is gaining ground and how semantic caching unlocks better performance and sustainability.

  • Introducing Fastly Staging Environment: Test with Confidence, Deploy with Ease

    Simon Wistow

    Introducing Fastly's Staging Environment lets you test your CDN and Compute configurations effortlessly, with just a click, before they go live.

    CDN & Delivery
    + 3 more
  • Startups & Modern CDN Benefits

    Simon Wistow

    See the 4 ways startups use CDNs to hit their goals and our list of recommended CDN providers.

    Industry insights
    Performance
  • Why having more POPs isn’t always better

    Simon Wistow

    We’re often asked why having more POPs doesn’t necessarily make a CDN faster. To help illustrate, we’ll use an analogy of convenience stores versus supermarkets.

    Performance
    + 3 more
  • Making the Internet Sustainable— Starting from Its Infrastructure

    Simon Wistow

    Making the internet greener starts with its infrastructure. Learn how edge computing and smarter content delivery reduce energy waste and carbon impact.

    CDN & Delivery
    + 2 more
    An illustration of a keyboard with a lever in the middle and a hand pushing the lever forward
  • The Gentle Art of Doing Things Differently

    Simon Wistow

    Discover how constraints can drive creativity and technological breakthroughs as we look back on the transformative impact of resourcefulness in the tech industry.

    Industry insights
    Engineering
  • AI Innovation and Sustainability: Key Takeaways from the AI Action Summit

    Simon Wistow

    Delve into the highlights of the AI Action Summit in Paris, where experts addressed pressing issues in AI, including ethics, regulation, and the sustainability of technology.

    CDN & Delivery
    + 2 more
  • 5 Ways to Optimize for Holiday Traffic

    Simon Wistow

    During the holiday season, which normally accounts for 20-40% of total sales annually, it's critical for e-retailers to provide their users with a smooth, responsive shopping experience. Recent research has shown that 40% of online shoppers will move to a competitor’s site if yours doesn't load in 3 seconds or less. In fact, about $3 billion in revenue is lost annually due to customers abandoning shopping carts on slow web sites. With that in mind, here are Fastly’s top 5 tips for optimizing and speeding up your site for the holidays.

  • Introducing Version Diff

    Simon Wistow

    Since day one, we’ve baked the concept of versions right into our system at a fundamental level. We want customers to feel empowered to try new things and to be able to quickly roll them back or create a new version if changes are needed. We’ve brought DevOps best practices to our CDN.

    Product
  • New Fastly Logging Features

    Simon Wistow

    Over the last few months, we’ve completely overhauled Fastly’s entire logging infrastructure to keep up with our ever-increasing traffic. In addition to improving efficiency and reliability, we added features to make it easier for our customers to integrate with the logging providers they already use.

    Product
  • 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
  • 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
  • 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
  • Learn More About Fastly Features With Inline Help

    Simon Wistow

    This week, we’re rolling out Inline Help, a new enhancement to our user interface that will make Fastly easier to use for new customers and seasoned experts.

  • Large File Delivery Improved with Streaming Miss Support | Fastly

    Simon Wistow

    Today, we’re excited to announce two related features that lower bandwidth costs and reduce origin load for Fastly customers, resulting in faster downloads for their users: Streaming Miss and Large File Support.

    Streaming
    + 2 more
  • Using ESI, Part 2: Leveraging VCL and ESI to Use JSONP

    Simon Wistow

    In this post, I’m going to discuss how you can leverage ESI and VCL (Varnish Configuration Language, the domain-specific language that powers Fastly’s edge scripting capabilities) to use JSON responses, even when they’re loaded from another site. This is useful in many cases, including various analytics and social sharing instances.

    Performance
  • Deep Log Visibility Offered by Logentries | Fastly

    Simon Wistow

    Today Logentries released a Fastly Community Pack, which automatically sets up tags, saved queries, and visualizations in the Logentries dashboard to help Fastly customers get the most out of their real-time logs.