How to analyze your website with Lighthouse?

Did you know that you have a tool at your fingertips to audit your website?

LightHouse is a free, automated tool for improving the quality of web pages.

You can access it directly from your web browser.

It can be useful for both developers and website owners.

👨‍💻 For a developer LightHouse can be used to validate and see areas for improvement in order to design a quality website.

🕵️‍♂️ For a site owner, this is a great decision-making tool. You can, for example, use it to understand sticking points on your website.

How to use the tool  Lighthouse  

You can use  Lighthouse  directly on your Google Chrome browser as an extension. The advantage of  the Chrome version of  Lighthouse  is that the updated version of the tool is always available.  Also,  the command line is accessible for  all  users of  Lighthouse.  

Steps to start the audit  

Step 1 : Go to your Google Chrome browser and  open  the website to analyze  

2nd step :  Next,  done  right click  of your  mouse  and select the “inspect” option in the dialog box that appears.  The development bar will appear on the left or at the bottom of the page.  

Step 3 :  After the Memory tab, there is the option  Lighthouse, click on it and a window will open.  

Step 4: To finish, click  on the blue button  “Generate  Report ”  Where  “Generate  a report ”  to start the analysis of the website. You will see the  headlines of  results  expected are to the right of the button  “Generate  postponement “ 

If you wish to analyze your site you can follow these simple and easy to follow steps.  

Some results available at the end of the Analysis via LightHouse 

Site performance  

Indication of resources that have an impact on page load times as well as recommendations.  In other words, they are factors  that contribute to the speed, efficiency and  speed  loading a web page 

How? ‘Or’ What  it can affect a business.  

The performance of the site can have several  impacts on your business. If your site is not performing well, the brand image  of your company  and  his  competitive positioning  maybe  stake.  Competition is tough on the web, that’s why  if your  website  is  slow, that  can get dirty  your brand image. According to the statistics,  60% of Internet users leave a site when the loading time is greater than 5 seconds (source: The State of the user  Experience – Limelight Networks – 2015).  

Also,  having a successful site allows you to have a high rate of traffic. The loading time of your is an aspect that should not be neglected if you want to get several visitors to your site.  It should be noted that for a company,  the more visitors you have,  the more you can have a great conversion rate.  

How? ‘Or’ What  fix performance issues  of the site  

There are several tips to fix the performance of your site. We will give you  4 tips that can help you. Notably :  

Compress your images to make them less heavy  

Images take longer to load. So, it is important to reduce the size of your images before adding them to the site.  

Decrease  your code  

Even if your  pages are  in JavaScript, HTML or CSS, it  should be noted  than  your code takes an important place in the loading time of your website.  

Avoid putting too many plug-ins  

Some tools have a multitude of plugins like WordPress, Shopify, etc.   However, a plugin takes up a lot of space in the code, and therefore, it  will slow down  the loading time of  your  pages.   

Some recommendations  

As experts, we advise you to always do a performance analysis with the tools  such as :  

  • Speed Insight Page,  is a  free tool that  It allows you to  obtain a complete analysis of the technical points to be optimized for a faster loading of a page  on your website. 
  • GTMetrix  is an analysis tool  easy to use performance,  which identifies all the elements of the different web pages that slow down the loading speed of your  site. 

Accessibility  of the site  

What is the accessibility of a website?  

Web accessibility  are  tools and technologies  to design your website  so that people with disabilities can  navigate and understand the website easily.   

The importance of improving the accessibility of your site 

The fact that your site is accessible, it allows your visitors  to understand  that you  have thought of all types of people before in  developing  your website. 

Tips to improve the accessibility of your site 

here is  some useful tips  to have a site accessible to all:  

  • Add alternative texts. The texts allow you  of  describe images, logos,  or designs on your site.  
  • Use descriptive text for the links. You can  use  the page title as the link text. 
  • Surrender  your adaptable content.  You can  provide an audio version of  your content  and also  give the possibility  to your visitors  change the font size.  
  • Make sure that your site  is  a dynamic site. You can  optimize your site so that it is compatible with current and future technologies  (be able to adapt to all types of screens). 

Best practices 

Use of HTML syntaxes, validation of best practices during development  of your site.   


SEO  (Search Engine  Optimization)  also called natural referencing  are  techniques used to be visible  in the results  on the engines of  search like google  for example.  

The best SEO tools  

To do your natural referencing,  you need tools like:  

GOOGLE SEARCH  CONSOLE:  it is a free tool offered by Google  who  allows you to measure SEO performance and analyze  the general inventory of your site.  

GTmetrix:  is a free tool, specialized in the analysis of the performance and speed of  your  site. 

PageSpeed  Insights  is a  google tool  who own  the same  features  than  GTmetrix.  

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