Tag: CDN

Search engine crawlers – a special bot type used to index your site – are very important visitors. They make sure that your content is searchable by end users. If a crawler can’t easily read your content, then any updates you make might not be immediately reflected in the search results. Depending on the algorithms […]

Any web application using Amazon CloudFront benefits from the inherent high availability of this AWS service. It’s a globally distributed network that is immune to local hardware failures or network congestion. Furthermore, it’s built on top of the AWS global network, which provides better isolation from the public internet. Finally, it’s designed with various advanced […]

September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. This is the first post in a blog series about Amazon CloudFront migrations. CloudFront works with other AWS edge networking services, to provide content delivery, perimeter security, end-user routing, and edge compute. CloudFront is a Content Delivery Network (CDN), which […]

Amazon CloudFront’s new Cache and Origin Request Policies give you more control over the way CloudFront uses request data to influence both the cache key and the request that is forwarded to the origin on a cache miss. This gives you more flexibility while enabling better control and efficiency of the caching that CloudFront performs. […]

Introduction Today, viewing video content is a prevalent form of online activity whether in entertainment, education, marketing, or information. For example, as a Solutions Architect at AWS, I tend to watch hours of video a week to learn about technologies, and I also leverage video content to convey ideas and best practices in a scalable […]

Special thanks to Raul Frias for contributing to this blog post Lambda@Edge enables you to run AWS Lambda functions globally so that you can process and respond to user requests at low latencies. Running Lambda functions in close geographical proximity to users helps satisfy a number of use cases, such as website personalization, Search Engine […]

For online retailers, the annual holiday season, special sales and new product launches are all exciting events that typically drive a rapid increase in site traffic. With Amazon CloudFront and Lambda@Edge, you can now build a Flash Crowd Management workflow that lets you control what proportion of incoming shopper traffic is allowed to access your backend application, while directing the remaining shoppers to a temporary waiting room- an alternate site where you can provide them a branded experience while they await their turn to access the application.

Lambda@Edge transforms CloudFront into a highly programmable CDN with serverless compute capabilities closer to your viewers around the world. This blog is the first in a series that explains best practices associated with using Lambda@Edge functions to customize your content delivery.

Do you have lots of images that need to be modified before delivery? No problem with Amazon CloudFront and Lambda@Edge. Read more on how you can use our services to modify image dimensions, apply watermarks, or optimize formats based on browser support all on the fly. Optimizing your image delivery can lead to a better experience for your users while also reducing your bandwidth usage.

Adding security response headers is often achievable by modifications to your application configuration. In this blog we will focus on how to achieve the same result when you have an application that can’t be modified at the origin (e.g., a web site hosted in Amazon S3).