Website Speed Optimization Techniques

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Website Speed Optimization Techniques
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Contents

• Introduction
• Content Delivery Network
• Combine Images To CSS
• Gzip Compression
• Expires Headers
• Optimize Images
• Page Caching
• Optimize Plugins and Themes
• Minimize Redirects
• Server Response Time Optimization

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Introduction

• We all want websites to load faster. The users of
  every website are looking for a faster, easier
  experience.
• Overall, the size of the sites are getting bigger
  and need to be made faster, so the users find it
  easier to navigate them and make purchases on
  them.
• Site speed is a part of google search algorithm
• User experience is one of the key goals of a
  website and speed is one of its most important
  aspects
• Slow loading pages suffer from low user
  engagement and lower chances of getting ranked on
  search engines

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Content Delivery Network

• A Content Delivery Network transfers the static
  files to servers that are close to the users.
  This helps in making the web pages load faster. A
  CDN is more suitable for larger websites, for
  speed and performance improvement.
• A CDN helps in faster delivery of content and and
  web pages to the servers at user locations. More
  and more websites are using CDNs to improve the
  speed of their website.

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Combine Images To CSS

• A large number of Images on the webpage, causes
  its speed to go down drastically. Combining all
  background images into one, using sprites can
  help in reducing the page load speed time.
• The appropriate image segment will be shown as a
  result of the CSS background-image and
  background-position properties.

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Gzip Compression

• Compression is an easy and useful way to save
  bandwidth. This is useful in improving the speed
  of the website.
• Compression of HTML and CSS files with gzip helps
  in saving fifty to seventy percent of the size of
  the file.

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Expires Headers

• This technique helps to store website details on
  the computer for faster loading, the next time
  around. The expiration date in the header helps
  in determining the amount of time for which, the
  file will remain in the computer.
• The expiration time can be set as desired.

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Minify Javascript and CSS

• Minification helps in removing the unnecessary
  characters from code execution. This helps in
  improving the load speed of the site. This helps
  in removing comments, block delimiters, new line
  characters and whitespace characters.
• These characters hinders the code execution
  process. Minification helps in reducing the
  amount of code that is transferred over the web.

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Optimize Images

• The Agile methodology makes the process of
  development extremely flexible.
• Since the development process responds to
  changes, the requirements change over time and
  development process works flexibly towards
  adapting to the changes.

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Enable HTTP Keep Alive Headers

• Keep alive allows the same tcp connection for
  HTTP conversation in place of a new one with each
  new request. It is a communication between the
  web server and the web browser.
• This communication helps grabbing more than one
  file at a time.

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Page Caching

• This is another useful method for improving the
  load speed time of websites. Cached pages are
  served up as static HTML versions of a page. This
  helps in reducing queries and improving the page
  load speed.
• Search engines like google store a backup version
  of the page ensure that the stored page gets
  served up, taking lesser time.

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Optimize Plugins and Themes

• Adding more and more plugins and themes to your
  site, which you are not using, can slow down the
  speed of the website. Remove all those plugins
  and themes, which are not in use anymore.
• Besides that, you also need to remove all the
  spam comments from your site dashboard and helps
  it load faster.

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Remove Pop-Up Ads

• Too many popups on the page can reduce its load
  speed.
• Reducing the popups and ad banners on your web
  pages, is a useful way to improve the speed of
  the site.

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Minimize Redirects

• Many a times some pages on the website become
  redundant, but are still getting traffic.
  Redirects are used to transfer this traffic to
  more relevant pages. Although this is an
  important SEO practice, too many redirects reduce
  the speed of the website. Basically when a
  redirect is processed, time gets wasted in moving
  the user from one page to another.
• Redirects affect mobile users a lot more than
  desktop users and must be used selectively on any
  website.

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Server Response Time Optimization

• If your website is getting a high amount of
  traffic, the server response time will
  automatically go down. You need to check database
  queries, routing and memory and ensure that
  everything is in order.
• This will help in improving the server response
  time.

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