From the course: Developing for Web Performance

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Common culprits and performance hogs

Common culprits and performance hogs

From the course: Developing for Web Performance

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Common culprits and performance hogs

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- [Instructor] Measuring your project up against the performance budget for the first time it's normal to discover you are way over budget and there's a lot of things you can do to improve the performance. There are typically three main areas which stand out as significant performance culprits, images, JavaScript bundles and external web fonts. And we can use Lighthouse for a performance evaluation and then get a report that tells us about these obvious issues so we can deal with them immediately. Let me show you an example of this. So I have an incognito version of Chrome here, I'll paste in the URL to a domain that has a site on it. You'll notice this one is HTTP not HTTPS meaning I'm getting an HTTP 1.1 request here, which does not have multiplexing. Now loading the site, it appears to be running pretty fast. So let's see what happens if I go and run Lighthouse. So I'll just run to generate a report, send the…

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