Perhaps the content has changed slightly with some updates news. If the images remain the same then the original images are displayed again, removing the need to download a second time. If you request the page an hour later the caching software checks to see what has changed. What happens is that when you look at the Reuters front page for the first time the site's server will deliver all the content including images, video, and text. Reuters, the news site, no doubt uses caching for their homepage and you might wonder if the content you’re reading is out of date, because it's somehow cached. The answer is it depends on what kind of web pages the site is delivering. One question I hear is if caching is bad for sites that continually update data. To reduce latency (delay in transferring data).To conserve bandwidth by reducing traffic.It’s a very important technique used for two main purposes: Using caching properly can have the biggest positive effect on the response time of your siteĬaching is used by computers, your ISP, your web server and your browser. With the increased use of large images and video in websites, it’s becoming more important to conserve bandwidth to deliver faster pages to the ever distracted and impatient consumer. Using caching properly can have the biggest positive effect on the response time of your site. A web cache serves static files instead of slower dynamic files to users and this speeds up the delivery of data considerably. We'll examine the benefits of using one of the most popular cache tools for WordPress, W3 Total Cache.Ī Web cache uses temporary storage (or caching) of HTML pages, images, style sheets, JavaScript, and many others to reduce the load on the server. Caching is an important part of WordPress SEO. Reducing file load times is a high priority for most of us but many people are not familiar with web cache software, which can significantly improve download speed on your site. As business owners, web administrators, and bloggers we are well aware of the speed limitations of our websites. In simple terms, a cache is a time-saving device. Summary and Conclusion What is a Cache and How does it work?.
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