The W3C website is a great resource, the section on ARIA](https://www.w3.org/WAI/ARIA/apg/) and as others have pointed out the patterns section is great and includes examples. Source: about 1 year ago

I copied that directly into the validator at w3.org and it showed no errors. https://validator.w3.org/nu is what you're using, yes? Source: over 1 year ago

Time to start Googling! Those are all solvable things that you can fix. The last ones in black are strange though... I have no idea what the reference to w3.org is for. Source: over 1 year ago

Google tells me some pages on my website have mobile usability errors - detailed results on GSC show 45 of 75 resources couldn't be loaded, many are apparently script and stylesheet issues to do with the theme and some plugins. The affected pages also load very slowly on GTMetrix. I turned on minify html, css and js on my caching plugin but it didn't seem to help. I did a Validate CSS check using a tool on w3.org... Source: over 1 year ago

Depending on what prompted this issue, there are a myriad of resolutions. If it's your SSL certificate then you simply need to get that registered and compliant. If it's because of bad coding then you can check out https://w3.org to test your code and fix it. Otherwise, you could always hire or consult a web developer. Source: over 1 year ago

Use Lighthouse to audit your website's accessibility. This tool provides feedback on how well your site performs across various metrics, including accessibility. Get started with Lighthouse. - Source: dev.to / 11 days ago

Lighthouse (https://developers.google.com/web/tools/lighthouse). - Source: dev.to / 3 months ago

I was once tasked with migrating a landing page with an associated blog from CSR to use SSG. Once I had done so, however, I noticed that my Lighthouse score had gone down despite my page rendering a much more useful initial page significantly faster than it'd taken for my app's spinner to go away. - Source: dev.to / 4 months ago

In this Flying V Group tutorial, we discuss how to run a Google Lighthouse Audit. Google Lighthouse audits your site’s performance on a 3G network and makes recommendations for improving your site speed and performance. https://www.flyingvgroup.com/how-to-run-a-google-lighthouse-audit-for-mobile-site-performance-cs/. Source: 6 months ago

I started with the Google Lighthouse tool. It's a great tool that helps you to find the most common problems with the performance. I read a lot of articles about performance optimization and tried to apply the best practices. I would suggest this article, combining most practices. I don't want to repeat the same things, you are already familiar with them, I guess. Most of them are well-known and described in... - Source: dev.to / 7 months ago