Elastic has added the AGPL license option to Elasticsearch and Kibana, allowing them to be considered open-source again, in addition to the existing ELv2 and SSPL licenses.
- The change aims to remove market confusion caused by AWS's offering, which led to a fork of Elasticsearch, and to strengthen Elastic's partnership with AWS
- Existing users can continue using Elasticsearch without changes, while new users have the option to choose AGPL, providing more flexibility
- Elastic aims to work with the Open Source Initiative (OSI) to create more open-source licensing options, and believes this change will drive business success and mitigate risks in various enterprise sectors
Fixing Web Performance with Chrome DevTools
DebugBear offers a comprehensive guide on how to address web performance issues using Chrome’s DevTools, helping developers ensure their websites are fast and efficient.
- Use tools like the Performance Panel and Lighthouse to dig into metrics like time-to-interactive, first contentful paint, and layout shifts
- Chrome DevTools helps developers catch cumulative layout shifts that disrupt the user experience
- Learn how to diagnose and correct image sizes, lazy loading, and compression issues that can significantly slow down page load times
- Debug slow network requests and over-bundling of JavaScript for improved resource delivery
How Google Handles JavaScript for Indexing
Vercel explores how Google processes JavaScript during indexing, which is essential for anyone building SEO-optimized, modern web apps.
- Google’s crawler downloads HTML first, delaying the execution of JavaScript until later, which can impact content discoverability and indexing
- To mitigate delays, developers are encouraged to adopt server-side rendering (SSR) or static site generation (SSG), ensuring content is immediately available to crawlers
- Errors in JavaScript can prevent key content from being indexed, so careful error handling and optimization are essential for ensuring full crawlability and visibility on search engines
- The article studies how prerendering can help provide key page content to search engines before JavaScript execution, speeding up the indexing process
Baseline Entry Animations in Web Development
Google’s latest update introduces the 'Baseline' entry animations API, designed to create more polished and performant user interfaces for modern web applications.
- Entry animations enhance user experience by offering smooth, predictable transitions when elements enter the viewport, contributing to a more engaging visual experience
- The API allows developers to define complex transition sequences, enabling greater control over how elements appear on the page
- Beyond aesthetics, the Baseline API is optimized for performance, reducing the rendering overhead often associated with custom animations
- This addition is aligned with Google’s broader efforts to standardize high-quality animations across web applications
React Native 0.75 Released
React Native 0.75 is here, packed with new features and improvements that streamline development and boost app performance.
- This release improves compatibility with React’s latest updates, allowing developers to take advantage of new features like concurrent rendering and better error boundaries
- Memory usage optimization and faster rendering for list-heavy UIs help ensure smoother performance on mobile devices
- Critical issues from previous versions have been addressed, including crashes related to navigation and animations
- The React Native team now officially recommends using a framework like Expo. Expo's toolset provides a much greater development experience, and the latest SDK from them sees auto linking speed increased by 6.5x
Amazon S3 Conditional Writes: What's New
Amazon S3 now supports conditional writes, allowing developers to check if an object exists before creating it, preventing accidental overwrites.
- This feature simplifies concurrent data updates in distributed applications, eliminating the need for client-side consensus mechanisms or additional API requests
- Conditional writes are available at no extra cost in all AWS Regions and can be used via the AWS SDK, API, or CLI, enabling more efficient and reliable data updates for large-scale workloads
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The Loop is written and edited by Victoria Lebel, Alex Kondratiuk, Alex Levine, Christian Clarke, and Marie Stotz.
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