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Browser Developer Tools

Definition

Browser Developer Tools, commonly referred to as ‘DevTools’, are a set of web authoring and debugging instruments built directly into a web browser like Google Chrome, Firefox, or Safari. They provide deep insights into the inner workings of a webpage, allowing users to assess and tweak the performance, layout, and code of the site. DevTools allow manipulation of HTML Elements, CSS styles, JavaScript debugging, network monitoring and performance checking, among other features.

Browser Developer Tools Relevance For SEO

Browser Developer Tools is an essential tool for SEO experts. They help in identifying and troubleshooting SEO-specific issues such as the page speed, Mobile/UI responsiveness, JavaScript rendering, and more. By analyzing the Network tab, an SEO expert can understand the HTTP status codes, the total number of requests made by a page, and the amount of data transferred, which impacts page load time and, subsequently, SEO.

Browser Developer Tools Best Practices for SEO

For effective SEO, the following practices with Browser Developer Tools are recommended:

  • Audit pages using the ‘Lighthouse’ feature in Chrome DevTools to generate reports on performance, accessibility, progressive web apps, SEO, and more.
  • Utilize the Network Tab to investigate the website loading speed, which directly impacts the SEO.
  • Examine the site’s mobile responsiveness using the ‘Toggle device toolbar’ for different screen sizes.
  • Scrutinize and optimize the HTML semantics of page content to help search engine bots understand it.
  • Use the Console for JavaScript errors which may reduce search engine’s ability to crawl and index the site correctly.