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Google PageSpeed Insights and 10 Tips to speed up your Website

07/01/2025
28/12/2023
Google PageSpeed Insights and 10 Tips to speed up your Website

For programmers, Google PageSpeed Insights is an essential tool in website design, as it helps optimize websites for better performance.

For businesses, utilizing Google PageSpeed Insights can optimize their corporate website for faster loading speeds. A high-quality website can help maintain brand image, increase user reach, and retain viewers for longer periods.

This article is intended for those who are new to this tool and seeking ways to speed up their website.

What is Google PageSpeed Insights?

Introduce about Google PageSpeed Insights

Introduce about Google PageSpeed Insights

Google PageSpeed Insights is a tool developed by Google to assess, measure, and evaluate the performance and speed of a website. In other words, this tool serves as a standard for evaluating a website’s user-friendliness across all devices. 

Furthermore, this evaluation helps determine whether the website has been optimized for Google's search engine, ultimately enabling it to achieve a higher ranking on Google's search results.

What are the evaluation criteria of Google Insights Speed tool?

The criteria for evaluation by Google PageSpeed Insights are as follows:

  • The website should limit the use of redirects to the destination page.

  • Enable data compression before sending it to the browser.

  • The server response time should be quick.

  • Extend the browser caching feature.

  • Decompress CSS and JavaScript resources on the website.

  • Compress image sizes on the website.

  • Ensure that the content on the website is clearly defined.

  • Disable render-blocking JavaScript and CSS before loading the page.

  • Make the most of asynchronous properties.

A website that meets these standards is considered "standard." 

Pagespeed Insights will detect which elements the website has not met. This tool will notify users of what needs to be improved to enhance the website's quality.

How does Google Insights Speed provide information?

Google PageSpeed Insights provides information about performance indices, including Speed Score, Field Data, Lab Data, Opportunities, Diagnostics, and Passed Audits.

Google PageSpeed Insights – Speed score 

Speed score is also known as performance score. This is the performance score, calculated based on Lighthouse lab statistics.

Google PageSpeed Insights – Field data 

Field Data includes 2 parts: First Contentful Paint (FCP) and First Input Delay (FID). This data is collected based on real user experiences on Chrome and tested for at least 30 days.

Google PageSpeed Insights – Lab data 

Lab data is collected and analyzed using Lighthouse on 3G networks and mobile devices

Google PageSpeed Insights – Opportunities 

In the Opportunities section, PageSpeed Insights provides information about load time and performance on the website and offers performance improvement suggestions.

Google PageSpeed Insights – Diagnostics

Diagnostics is the section in which PageSpeed Insights offers suggestions for adding tools to improve the user's website.

Google PageSpeed Insights – Passed audits

In the Passed Audits section, PageSpeed Insights summarizes the performance metrics that the website has achieved without additional modifications.

How is the Google Speed check score calculated, and how does it affect SEO?

The Google PageSpeed Insights score is determined using Lighthouse API metrics, which evaluate a website's quality. The scoring range is from 0 to 100, with 100 being the maximum score.

The PageSpeed Insights score is calculated based on the total speed score displayed on PageSpeed and the lab data score analyzed by Lighthouse.

Based on the scale, results are presented as follows:

  • 0 points: Your website has many errors and requires significant optimization.

  • 50 points: Your website has good quality but requires some optimizations.

  • 100 points: Your website has excellent quality, no errors, and operates smoothly.

In addition, there is a color corresponding to each point range:

  • 0 to 49 (slow): Red

  • 50 to 89 (average): Orange

  • 90 to 100 (fast): Green

The PageSpeed score itself does not directly influence the SEO process or SEO scores. However, there is a strong correlation between the PageSpeed Insights score and SERP rankings. Google takes into account the overall performance analysis based on the metrics from PageSpeed. So, the higher the PageSpeed score, the better the website's quality.

To achieve a high-rated website, users need to pay attention to various factors, with user experience being the most important. If users are satisfied with your website, it will naturally attract more visitors and longer stay times. Google also looks at this factor to evaluate a website's effectiveness.

You may also be interested in How to increase organic website traffic for a new website.

10 Tips to Optimize PageSpeed Insights and Speed Up Your Website

In conclusion, this article has provided an overview of the Google PageSpeed Insights tool and offered 10 simple tips to accelerate your website's speed:

  • Optimize HTML code.

  • Use caching.

  • Compress resources on your website (HTML, CSS, JS, images, etc.).

  • Implement AMP for mobile acceleration.

  • Reduce page size.

  • Use external video sources on your pages.

  • Minimize JavaScript and CSS files.

  • Compress files using Gzip Compression.

  • Ensure stable redirection.

  • Enhance server performance.

Conclusion

This article has introduced the Google PageSpeed Insights tool and guided you on 10 tips to improve your website's speed. Additionally, Rabiloo offers website development solutions with years of top-tier experience. Contact us today for a free consultation.

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Vy Nguyen
I am a contributing writer skilled in simplifying complex business services into clear, accessible content. My interests also extend to exploring and writing about diverse topics in software development, such as artificial intelligence, outsourcing, and innovative retail solutions.
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