Lighthouse: Website Performance Evaluation Tool

Systemic functioning that provides an advantage is a truly accessible page. Design tailored with optimal system performance. for a page to be effective, you need to ensure that it operates efficiently to achieve successful results for both users and search engines.

To stand out among websites that may look visually appealing from the outside, we suggest you consider not only the external visual attractiveness of your page but also how your page performs inside. Often, beautiful pages hide systemic errors that can have a significant impact on your page's SEO and overall user experience results.

Imagine a page that not only catches the eye with its expressive design but also ensures minimal systemic errors. This would not only attract an audience visually but also improve your page's accessibility in search engines. This way, you could surpass competitors whose pages, although visually beautiful on the outside, face systemic error problems that hinder achieving the best results.

What is "Lighthouse"?

"Lighthouse" is a free and public website performance evaluation tool developed by Google. This tool provides detailed reports on website performance and offers recommendations on how to improve their speed, performance, and accessibility.

What makes it special?

• Detailed evaluations: Lighthouse analyzes website performance based on various criteria, including overall page loading time, visual rendering, user interaction response, accessibility, security, and other aspects.
• Recommendations for improvement: The tool generates detailed reports with recommendations on how to improve website performance and accessibility, help enhance user experience, and adhere to best practices in website development.
• Platform support: Lighthouse can be used in different environments, including browsers (e.g., it is integrated into the Chrome browser), command line, or API.

Who is it useful for?

• Website developers: Allows evaluating website performance and obtaining recommendations for improvement.
• Designers and developers: Helps create fast, attractive, and accessible websites.
• Website owners: Ensures that their websites are efficient and attractive to users.
• Auditors: Provides the opportunity to check website performance and suggest further improvement measures.
• Compliance with standards: Helps adhere to the best practices and standards in website development.

What areas of problems does it evaluate?

• Page loading time: How quickly the website loads for the user.
• Visual rendering: How quickly and smoothly the website displays content.
• User interaction response: How quickly the website responds to user actions.
• Accessibility: Whether the website is accessible and usable by various user groups.
• Security: Whether the website is protected against intrusions and other security threats.

Performance

Performance evaluation metrics help assess your website's operation and performance.

• Loading speed: Measures how long it takes to load your website's content.
• Resource usage: Evaluates how efficiently network resources are used, such as JavaScript and CSS files.
• Response time: Measures how quickly your website responds to user actions.

Accessibility

Accessibility evaluation metrics help ensure that your website is accessible to all users.

• Compliance with accessibility standards: Checks whether your website complies with accessibility standards.
• Accessibility checks: Performs various checks to identify any accessibility deficiencies in the website.

Best Practices

These metrics help ensure that your website follows the best practices in web development.

• Website security: Checks whether the website adheres to security standards.
• Optimization rules: Evaluates whether the website uses appropriate optimization techniques.

SEO Optimization

These metrics help ensure that your website is properly optimized for search engines.

• Page indexing: Checks whether the website is properly indexed by search engines.
• Meta data and header usage: Evaluates whether the website has appropriate meta data and header usage.

How to use "Lighthouse"?

• Browser tool: The tool can be launched directly from the browser (e.g., in the Chrome browser, by pressing F12 and selecting the "Audits" tab).
• Command line: You can use the command line by entering the command lighthouse <URL>.
• API: The tool has an API that allows automating the evaluation process.

1. Open your website in the Google Chrome browser.
2. Right-click and select "Inspect" or press "Ctrl + Shift + I" (Windows) or "Cmd + Option + I" (Mac) to open the "Chrome Developer Tools".
3. Select the "Lighthouse" tab.
4. Select which quality aspect you want to evaluate: Performance, Accessibility, Best Practices, or SEO optimization.
5. Click the "Generate report" or "Run audits" button.
6. After the evaluation is complete, you will receive detailed reports with recommendations on how to improve your website.

Make sure your website is publicly accessible on the internet and that you have an active internet connection so that "Lighthouse" can properly evaluate your website.