Page speed optimization | SEO Tutorials class – 12

Page speed optimization
Page speed optimization

Page speed optimization is an essential aspect of search engine optimization (SEO) as it can significantly impact user experience and search engine rankings. This tutorial will explore some techniques and examples of page speed optimization.

  1. Minimize HTTP Requests Reducing the number of HTTP requests a webpage needs to make can significantly improve its loading speed. To do this, you can:
  • Minimize the number of images, scripts, and style sheets on a page.
  • Combine multiple scripts and style sheets into a single file.
  1. Use Content Delivery Network (CDN) A content delivery network (CDN) can help reduce a webpage’s loading time by serving content from a server that is geographically closer to the user. This can help to reduce latency and improve page speed.
  2. Optimize Images Images can often majorly contribute to slow page loading times. To optimize images, you can:
  • Compress images using tools like Photoshop, TinyPNG, or JPEGmini.
  • Resize pictures to the appropriate size for their intended display on the webpage.
  • Use responsive images that can adapt to the size of the user’s device.
  1. Minify CSS and JavaScript Minifying CSS and JavaScript files involve removing unnecessary characters and whitespace, which can reduce the file size and speed up loading times.
  2. Enable Browser Caching Browser caching allows the user’s browser to store specific files, such as images and scripts, so they do not need to be reloaded each time the user visits the webpage. This can significantly improve page speed for returning visitors.

Example: Let’s take an example of a webpage with multiple style sheets and scripts, resulting in many HTTP requests. Combining these files into a single file can reduce the number of HTTP requests and improve the page loading time.

Before optimization:

  • index.html (1 HTTP request)
  • style1.css (1 HTTP request)
  • style2.css (1 HTTP request)
  • script1.js (1 HTTP request)
  • script2.js (1 HTTP request)

Total HTTP requests: 5

After optimization:

  • index.html (1 HTTP request)
  • combined.css (1 HTTP request)
  • combined.js (1 HTTP request)

Total HTTP requests: 3

Combining the style sheets and scripts into single files reduced the total number of HTTP requests from 5 to 3, resulting in a faster page loading time.

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