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Image formats, SVG format
Links and images8/17
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  • 1. What is a link? The a tag
  • 2. Relative addresses
  • 3. Absolute addresses
  • 4. Links to files
  • 5. An in-page link
  • 6. The img tag for images
  • 7. Image formats, SVG format
  • 8. JPEG format
  • 9. PNG format
  • 10. GIF format
  • 11. Image dimensions
  • 12. alt attribute
  • 13. Image link
  • 14. The figure and figcaption tags for illustrations and captions
  • 15. Links without href and the title attribute
  • 16. Summary of “Links and Images”
  • 17. Test: Cat tours travel agency gallery
PNG format
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  • Theory
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JPEG format

Let’s continue to explore image formats. We need to insert some more images into the blog. Some image formats are more appropriate for some types of images. Our first image is a photo, and the JPEG format is perfectly suited for it.

This format was designed to compress and store full-color photos. It supports over 16 million colors. But JPEG compresses images by reducing the information in the image, which results in a loss of quality. Stronger compression usually makes the file smaller, but it can also cause a visible loss of detail. The main task when working with JPEG images is to select an appropriate level of compression so that both the image size and quality are acceptable.

Thus, the JPEG format is better suited for:

  • full-color images and photos;
  • images with smooth transitions in color and brightness;
  • drawings with lots of colorful details.

Let’s add a JPEG image to the new blog entry.

Comments

  • index.html
  • style.css
HTML
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>The website of a beginning coder</title> <link rel="stylesheet" href="style.css"> </head> <body> <header> <p>Blog</p> <nav> <a href="index.html">Return to home</a> </nav> </header> <main> <article> <h1>Day Fourteen. A New Format</h1> <p>Yesterday, I found the right format for my avatar and added the image to my blog. I love how it looks! I decided to make a cheat sheet to remember the other image formats and what each one is used for.</p> <p>For example, here is a JPEG image:</p> <!-- Add the image here --> </article> <aside> Your ad could go here </aside> </main> <footer> Website footer </footer> </body> </html>
CSS
body { padding: 0 30px; font-size: 14px; line-height: 22px; font-family: "Georgia", serif; color: #222222; } h1 { font-size: 20px; line-height: normal; } aside { margin: 20px 0; color: #c4c4c4; } a[href] { color: #0099ef; text-decoration-line: underline; }

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    1. Add the image with the address files/instructor-muffin.jpg to the end of the blog entry.

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