How do you make sure your HTML code is correct?

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HTML is the foundation of any web page, but it can also be prone to errors, typos, and inconsistencies that affect its functionality and appearance. How do you make sure your HTML code is correct and follows the best practices of web development? In this article, you will learn some tips and tools to help you write, validate, and debug your HTML code.

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John Adeniran

Software Developer
Ali Ahmad

Software Engineer INTERACTIVE - CARMA

1 Use a code editor

A code editor is a software application that helps you write, format, and highlight your HTML code. It can also provide features such as auto-completion, syntax checking, code folding, and indentation. Using a code editor can save you time and reduce errors by making your code more readable and organized. Some popular code editors for HTML are Visual Studio Code, Sublime Text, Atom, and Brackets.

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2 Follow HTML standards

HTML standards are a set of rules and guidelines, developed by the World Wide Web Consortium (W3C), that define how HTML should be written and structured. Adhering to these standards can ensure that your code is compatible, accessible, and semantic. For instance, you should use lowercase for element names and attribute names, double quotes for attribute values, proper nesting and closing of elements, HTML5 doctype declaration at the top of your document, semantic elements to describe the content and structure of your document, and comments to explain your code.

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3 Validate your HTML code

Validating your HTML code means checking it for errors and compliance with HTML standards. You can use online tools such as the W3C Markup Validation Service or the HTML Validator to validate your code. These tools will scan your code and report any errors, warnings, or suggestions for improvement. You can also use browser extensions or plugins to validate your code locally. Validating your code can help you fix bugs, improve performance, and enhance user experience.

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4 Debug your HTML code

Debugging your HTML code means finding and fixing the problems that cause your code to behave unexpectedly or incorrectly. You can use the developer tools in your browser to inspect and modify your code, view the document tree, and test different scenarios. You can also use debugging tools such as Chrome DevTools, Firebug, or Web Inspector to debug your code more efficiently. Debugging your code can help you understand how your code works, identify the root cause of issues, and optimize your code.

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Ali Ahmad

Software Engineer INTERACTIVE - CARMA
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as a frontend developer. Here's my streamlined process: Leveraging Developer Tools: I swiftly access them with F12 or a right-click, 'Inspect'. Meticulously Scanning: I hunt for typos, syntax quirks, and unclosed tags. Validating Code: W3C Markup Validation Service ensures adherence to standards. Monitoring Logs: I keep a watchful eye on the console for any potential errors. Browser Compatibility Testing: I rigorously test across various browsers. Issue Isolation: I pinpoint problems by temporarily removing or commenting code.

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5 Learn from others

Learning from others is a great way to improve your HTML skills and discover new techniques and best practices. You can use online resources such as W3Schools, MDN Web Docs, or Codecademy to learn the basics and advanced topics of HTML. You can also use platforms such as Stack Overflow, CodePen, or GitHub to ask questions, share your code, and see how others solve problems. Learning from others can help you expand your knowledge, get feedback, and stay updated with the latest trends and developments in HTML.

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Ali Ahmad

Software Engineer INTERACTIVE - CARMA
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I consistently learn from well-crafted code in open-source projects and tutorials. Actively participating in online communities such as Stack Overflow and GitHub, as well as collaborating on diverse projects, further broadens my understanding

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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John Adeniran

Software Developer
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My mode of typing html tags correctly is to ensure that I type in my html closing tag immediately if it has one, then type in the value afterwards.

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How do you make sure your HTML code is correct?

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1 Use a code editor

2 Follow HTML standards

3 Validate your HTML code

4 Debug your HTML code

5 Learn from others

6 Here’s what else to consider

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