Saturday 27 January 2024

What is the difference between HTML and XHTML?02


What is the difference between HTML and XHTML?

HTML and XHTML, while similar at their core, have some key differences:

Structure and Syntax:

  • HTML: More lenient, allows for loose syntax with optional closing tags and attributes. Tags are not case-sensitive.

  • XHTML: Stricter, adheres to XML rules. All tags must be closed, attributes must be quoted, and the language is case-sensitive.

Underlying Technology:

  • HTML: Based on SGML (Standard Generalized Markup Language).

  • XHTML: Based on XML (Extensible Markup Language). This makes XHTML documents more structured and easier to integrate with other data formats.

Validation and Error Handling:

  • HTML: Browsers are forgiving and attempt to display pages even with errors in the code.

  • XHTML: Follows stricter rules, and errors will prevent the page from being displayed correctly. This makes XHTML code more reliable and consistent.

Other Differences:

  • Doctype declaration: HTML requires a DOCTYPE declaration, while XHTML does not.

  • Empty elements: In HTML, some empty elements like <img> can be self-closing without a closing tag. XHTML requires all elements to have a closing tag.


  • HTML: Is the current standard for web pages, offering easy learning and flexibility.

  • XHTML: Was intended as a stricter version of HTML with better long-term compatibility and integration with other technologies. However, it lost popularity compared to the more flexible HTML5.

Which one to choose?

For most web development today, HTML5 is the preferred choice due to its balance of flexibility and functionality. However, if you need a highly structured and robust document for integration with other data formats, XHTML might still be relevant in specific scenarios.

Hopefully, this explanation clarifies the key differences between HTML and XHTML. Let me know if you have any further questions!

What is HTML? Differences between HTML & HTML5? Advantages of HTML5? 01

  What is HTML? Differences between HTML & HTML5? Advantages of HTML5?

HTML vs. HTML5: A Breakdown

HTML (Hypertext Markup Language) is the foundation of web pages. It's a markup language used to structure and present content on the web, like text, images, and videos. Think of it as the skeleton of a website, providing basic structure and organization.

HTML5 is the latest version of HTML, bringing significant improvements and new features. It's not just a new coat of paint; it's a more powerful and versatile language. Here's how they differ:

Key Differences:

  • Semantic tags: HTML5 introduces new tags like <header>, <nav>, <section>, and <article> that give meaning to website sections, improving accessibility and understanding for search engines. HTML primarily relied on generic <div> tags.

  • Multimedia: HTML5 provides native support for audio and video with <audio> and <video> tags, eliminating reliance on plugins like Flash. It also offers <canvas> for creating dynamic graphics and animations.

  • Offline capabilities: HTML5 allows websites to store data locally using Web Storage, enabling offline browsing and functionality.

  • Forms and input: HTML5 offers new input types like <date> and <time>, enhancing user experience and data validation.

  • Cross-browser compatibility: HTML5 focuses on improving compatibility across different browsers.

Advantages of HTML5:

  • Cleaner and more semantic code: Makes websites easier to maintain and understand.

  • Rich multimedia experiences: No need for external plugins, leading to faster loading times and wider accessibility.

  • Offline capabilities: Enhances user experience even without an internet connection.

  • Improved forms and input: Makes data entry more accurate and efficient.

  • Cross-browser compatibility: Reaches a wider audience without worrying about browser inconsistencies.

  • Enhanced interactivity: Enables creation of dynamic and engaging web applications.

In summary, HTML5 is a significant upgrade from HTML, offering greater flexibility, power, and user experience. If you're building a website today, choosing HTML5 is the logical choice.

I hope this clarifies the differences and advantages of HTML5! Feel free to ask if you have any further questions.

html and css interview questions

  1.  What is HTML? Differences between HTML & HTML5? Advantages of HTML5?  Watch Text With Audio
  2. What is the difference between HTML and XHTML?  Watch Text With Audio
  3. What is the role of DOCTYPE in HTML?   Watch Text With Audio
  4. What if you remove <!DOCTYPE html> from your HTML?  Watch Text With Audio
  5. Difference between Head & Body in HTML? Where to place JS link reference?   Watch Text With Audio
  6. What is Title Tag in HTML? What are the 4 advantages of Title tag?   Watch Text With Audio
  7. What are Meta Tags? What are the 5 types of meta tags?   Watch Text With Audio
  8. What are HTML elements? What is the difference between Element & Tag?  Watch Text With Audio
  9. What are the roles and uses of the <div> element in HTML?  Watch Text With Audio
  10. What is the difference between <div> and <span> element?  Watch Text With Audio
  11. What is the role of <p>, <a>, <br>, <hr>, <em>, <img>, <input> & <button> elements  Watch Text With Audio
  12. What is the role of header, main, section, footer & address elements in HTML?  Watch Text With Audio
  13. What is the role of Heading tags in HTML? How does it impact SEO?  Watch Text With Audio
  14. What is the difference between <section> & <article> elements?  Watch Text With Audio
  15. What are Root, Parent, Child & Nested elements?  Watch Text With Audio
  16. What are Empty Elements?   Watch Text With Audio
  17. What are Semantic Elements in HTML? Is div a semantic    element?  Watch Text With Audio
  18. Can HTML tags be written in Uppercase?  Watch Text With Audio
  19. What are the 3 differences between Block-Level and Inline  Elements?  Watch Text With Audio
  20. List all Block-Level & Inline Elements in HTML.   Watch Text With Audio
  21. What are HTML Attributes? What are the Types of HTML attributes?   Watch Text With Audio
  22. What are the Id, Style & Class attributes of an element? When to use what?   Watch Text With Audio
  23. What will happen if two elements have same ids?   Watch Text With Audio
  24. Multiple Classes for single element? Style precedence?   Watch Text With Audio
  25. What are Data Attributes in HTML?   Watch Text With Audio
  26. What are the 5 Types of Links in HTML?   Watch Text With Audio
  27. What is the difference between Absolute and Relative URLs?   Watch Text With Audio
  28. What is the purpose of the <nav> element in HTML?   Watch Text With Audio
  29. What is a Fragment Identifier in a URL?   Watch Text With Audio
  30. What is the purpose of the <base> element in HTML.?   Watch Text With Audio
  31. How do you add an external stylesheet in your HTML?   Watch Text With Audio
  32. How do you open a link in a new tab?   Watch Text With Audio
  33. How do you create an Email Link?    Watch Text With Audio
  34. What are the different Types of Lists in HTML?   Watch Text With Audio
  35. What is a Nested List in HTML?   Watch Text With Audio
  36. What are table, tr, th, td elements? What are table advantages & disadvantage   Watch Text With Audio
  37. What is the colspan attribute in HTML?   Watch Text With Audio
  38. What is the best way to add a border to a table, column and cell?  Watch Text With Audio
  39. How to embed an Image in HTML? Why alt attribute is so important?  Watch Text With Audio
  40. What are the difference between JPEG and PNG image formats?  Watch Text With Audio
  41. How to embed Video element in HTML? Why we need multiple source elements?  Watch Text With Audio
  42. How to embed Audio element in HTML?  Watch Text With Audio
  43. What are the Autoplay & Loop attributes in multimedia elements?  Watch Text With Audio
  44. What are HTML Forms and what are its advantages?  Watch Text With Audio
  45. What are HTML Form Elements and their Main Attributes?   Watch Text With Audio
  46. How to Validate for empty input field in form?   Watch Text With Audio
  47. What is the role of the <textarea> element in a form?   Watch Text With Audio
  48. What are the Types of Input elements in a form?  Watch Text With Audio
  49. How to create radio buttons and checkboxes? How to group them?  Watch Text With Audio
  50. What is the purpose of the <select> element in a form?   Watch Text With Audio
  51. What are top 10 Best Practices for writing HTML code?   Watch Text With Audio
  52. What is HTML5 Boilerplate code?  Watch Text With Audio
  53. How do you optimize an HTML website for Performance?   Watch Text With Audio
  54. What is SEO? What are 5 HTML Best Practices for SEO?   Watch Text With Audio
  55. What are the 5 steps required for HTML website deployment?  Watch Text With Audio
  56. What is Responsive Design?   Watch Text With Audio
  57. What are the top 3 things required to make a website Responsive in HTML?   Watch Text With Audio
  58. What are some Responsive Design Frameworks for HTML & CSS?   Watch Text With Audio
  59. What are HTML Entities? How do you display special characters in HTML?   Watch Text With Audio
  60. What are the Top 5 Emerging Trends in HTML development?   Watch Text With Audio
  61. What is CSS? What are the 5 ways to Implement CSS in HTML?   Watch Text With Audio
  62. What is Inline Style in CSS? When to use it in real applications?  Watch Text With Audio
  63. What is Internal Stylesheet in CSS? When to use it in real applications?   Watch Text With Audio
  64. What is External Stylesheet in CSS? When to use it in real applications?   Watch Text With Audio
  65. What are the 5 advantages of external stylesheet?   Watch Text With Audio
  66. How do you Include CSS in a webpage or HTML?   Watch Text With Audio
  67. How to implement CSS using @import rule?    Watch Text With Audio
  68. What is CSS Preprocessors? What is SCSS?     Watch Text With Audio
  69. What are the 3 Types of CSS Preprocessors?    Watch Text With Audio
  70. What are Selectors in CSS? How many types of selectors are there?   Watch Text With Audio
  71. Difference between ID, Element & Class selector? When to use which selector?   Watch Text With Audio
  72. What are Universal selectors?   Watch Text With Audio
  73. What are the Descendant Selectors in CSS?   Watch Text With Audio
  74. What are Attribute Selectors in CSS? What are it’s 5 Types?   Watch Text With Audio
  75. What are Child Selectors in CSS?   Watch Text With Audio
  76. How Child Selector is different from Descendent selectors?   Watch Text With Audio
  77. What are Pseudo-class Selector and Pseudo-element Selector?   Watch Text With Audio
  78. Explain the concept of the Box Model in CSS.   Watch Text With Audio
  79. What is the difference between Padding and Margin?   Watch Text With Audio
  80. What is the difference between display: inline & display: block?  Watch Text With Audio
  81. What is the difference between display: inline and display: inlineblock?   Watch Text With Audio
  82. What is z-index property in CSS? How same z-index elements will be displayed?   Watch Text With Audio
  83. What is the role of float property in CSS?    Watch Text With Audio
  84. What is the difference between position: relative/ absolute/ fixed?   Watch Text With Audio
  85. What is the role of meta viewport tag?   Watch Text With Audio
  86. What are Media Queries in CSS?    Watch Text With Audio
  87. What is display: flex in CSS?     Watch Text With Audio
  88. What is CSS Grid Layout in CSS?    Watch Text With Audio
  89. How can you create a Sticky Header in CSS?   Watch Text With Audio
  90. What are the 5 best practices for creating a Responsive Design using CSS?   Watch Text With Audio
  91. What is Bootstrap? What are the other 5 responsive design frameworks?   watch Text With Audio
  92. What are the 5 Advantages of using Bootstrap?  watch Text With Audio
  93. What are the 2 ways to include Bootstrap framework for your website.  watch Text With Audio
  94. What is the difference between col-xs, col-sm, col-md, col-lg & col-xl?   watch Text With Audio
  95. What are Bootstrap Components? What are Top 10 bootstrap components?   watch Text With Audio
  96. What is a Bootstrap Modal component?   watch Text With Audio
  97. What is a Bootstrap Navigation component?   watch Text With Audio
  98. What is Bootstrap Carousel component?  watch Text With Audio
  99. Explain the difference between Bootstrap's container and container-fluid?  watch Text With Audio