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What Is Google Lighthouse?

As a website owner, you know that website performance is critical to the success of your business. Slow-loading pages can lead to high bounce rates and lower search engine rankings. That’s where Google Lighthouse comes in. Google Lighthouse is a free, open-source tool that helps website owners measure and improve website performance. In this blog post, we’ll dive into what Google Lighthouse is and why it’s important for website owners.

Features of Google Lighthouse

Google Lighthouse performs several audits that evaluate the performance, accessibility, and best practices of a website. Some of the audits include performance, accessibility, best practices, SEO, and progressive web app (PWA).

Performance audit evaluates how fast a web page loads and gives suggestions for improving speed. Accessibility audit ensures the site is accessible to all users, including those with disabilities. Best Practices audit checks whether the site follows web development best practices. SEO audit checks for SEO best practices, such as using meta tags and having clear content. PWA audit checks for the progressive web app functionality.

To run Google Lighthouse on your website, you can use Google Chrome’s built-in developer tools. Simply open the Chrome DevTools, select the Lighthouse tab, and run the audit. The results will show you a score for each audit, as well as recommendations for improving your website’s performance.

Benefits of Using Google Lighthouse

Using Google Lighthouse has many benefits for website owners. Firstly, it helps you identify specific issues that could be causing slow website performance. This can include things like large images, inefficient code, or too many server requests. Once you know what the issues are, you can work on improving them to make your website faster and more user-friendly.

Secondly, Google Lighthouse can have a positive impact on your website’s search engine rankings. Google has indicated that website performance is a factor in search engine rankings, so using Google Lighthouse to improve your website’s speed and accessibility can help improve your search engine rankings.

Lastly, Google Lighthouse can help improve user experience on your website. By making your website faster and more accessible, you’ll create a better experience for your users, which can lead to higher engagement and conversion rates.

Best Practices for Using Google Lighthouse

When using Google Lighthouse, it’s important to know how to interpret the audit results and take action to improve your website’s performance. Here are some best practices to keep in mind:

  1. Prioritize the performance audit results first. It will give you a clear picture of what is causing slow website performance.
  2. Fix accessibility issues to ensure all users can access your website.
  3. Address any best practices issues to improve website code and optimize your website.
  4. Use the SEO audit results to optimize your website for search engines.
  5. Use the PWA audit results to check if your website has progressive web app functionality.

In addition to using Google Lighthouse, you can also use other website optimization tools like GTmetrix, Pingdom, and PageSpeed Insights to get a complete picture of your website’s performance.


In conclusion, Google Lighthouse is an essential tool for website owners who want to improve website performance, search engine rankings, and user experience. By performing regular audits and taking action to improve website issues, you can make your website faster, more accessible, and more user-friendly. Remember to use best practices when interpreting audit results, and use other website optimization tools for a comprehensive approach to website performance optimization.

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