PerfReviews

PerfReviews

PerfReviews is a project by Joan León y José M. Pérez.
We talk about web performance on Twitter and Youtube.

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Recent Posts

Interview with Nico Bistolfi, CEO and co-founder of Piio

June 22, 2020

We talked with Nico about Piio's image optimization service, how he sees the current state of web performance, and how Piio makes the developer's job easier.

How to Estimate Web Performance Impact Before Making Fixes

May 20, 2020

In this post we present several ways of assessing the potential performance gains before implementing improvements. This will help building the case and prioritizing performance work.

We visited GDE Summit 2019 and Cloudinary

November 06, 2019

We attended Google Developer Experts Summit 2019 and visited Cloudinary's offices in Santa Clara, California.

Where do I start to optimize my images?

October 11, 2019

As web development professionals, we care about choosing the best framework, the most current library, applying good practices in Javascript and CSS, being careful of the semantics in HTML to improve SEO, we are improving the accessibility of our content, we package and we divide the files to optimize the load... But what about images?

The video format on the web

August 28, 2019

After founding the heaviest image on the web (according to HTTP Archive), we have not resisted the temptation to dig further and figure out what went wrong and alternatives to serve a lighter alternative.

How to keep up to date on web performance

August 09, 2019

Tips and resources to learn about web performance. Tools, websites and developers who write about new techniques and APIs to create sites that load fast and are data conscious.

The main news about Web Performance presented in Google I/O 2019

May 13, 2019

We list the main news around web performance and products presented in Google I/O 2019. LightWallet, Lighthouse Stack Packs, Portals, Native Lazy Loading, and much more.

Home Web Performance Audits Our Services En Español