Remove tag paint
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The Fight For The Main Thread

Smashing Magazine

All of that is dumped on any given page in one fell swoop courtesy of Google Tag Manager (GTM), which allows us to deploy and run scripts without having to go through the pain of re-deploying the entire site. You can see the delta between contentful paints and interaction! Hey, look at that — great job, team!

Google 90
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Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

In our previous blog post we introduced Edgar, our troubleshooting tool for streaming sessions. If we had an ID for each streaming session then distributed tracing could easily reconstruct session failure by providing service topology, retry and error tags, and latency measurements for all service calls. What’s next?

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Trending Sources

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The Humble ` ` Element And Core Web Vitals

Smashing Magazine

Some tips to get us started: For a fast Largest Contentful Paint : Request your key hero image early. If using 11ty for your static sites, try the 11ty high-performance blog template. Largest Contentful Paint displayed in the WebPageTest filmstrip. Identify The Largest Contentful Paint Element. We’ll cover this later.

Media 145
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10 things I love about SpeedCurve (that I think you'll love, too)

Speed Curve

In this correlation chart, you can see that conversion rate peaks at just over 6% for sessions with Largest Contentful Paint (LCP) times of 1.1 Third parties add tons of value by increasing conversions (via targeting beacons) and helping you understand your users in unprecedented ways (via analytics tags). – your page renders.

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How Target.com Could Make Their Site 3.1s Faster

MachMetrics

Let’s add in some metrics ( click here if you need a refresher on these ): Time to First Byte (TTFB): 0.47s First Contentful Paint: 0.7s You’ll see that the TTFB and the First Contentful Paint are both very fast, which feels very snappy to visitors coming to the site. Faster appeared first on MachMetrics Speed Blog.

Retail 82
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How to Show Images on Click

CSS - Tricks

Did I just show you an image in a blog post that insults the very concept of images? We can remove the src attribute of an <img> tag to hide an image. You can see the alt tag rendered on screen automatically, but with a light dash of JavaScript, we can then swap out the src with that attribute: document.querySelectorAll("img").forEach((item)

Website 80
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Google Lighthouse Audits – How to use Chrome’s built-in speed testing tool

MachMetrics

Here you’ll find the usual page speed metrics such as Speed Index, First Contentful Paint, Time to Interactive, etc. For example: The page isn’t blocked from indexing All images have alt tags robots.txt is valid The document has a meta description. What Does Google Lighthouse Test? Performance. Accessibility.

Google 82