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How to Speed Up Your Website with Cache

How to Speed Up Your Website with Cache

We, as internet consumers are impatient. Our attention span for a first impression is roughly four to seven seconds. Your website does not have long to reel us in. Imagine now that your page takes four to seven seconds to load. We form a first impression around the fact the website takes too long to load instead of what content we might see. 

Enter Caching.

Caching is the quick and (sometimes) easy way to speed everything up. At a server-level, caching can be broken down into very technical terms, but for the average end-user, plugins like WP Rocket help take care of the work for you. Here are some ways to speed up your website with caching.

What is Cache?

A cache is a collection of items of the same type stored in a hidden or inaccessible place. In the software world, we refer to it all the time. Traditionally, when someone clicks into a web page, the site has to request information from the server, which sends the data back to the browser, and users see the end result. Caching speeds up your website by not requiring it to request page information every time someone visits. 

Since most webpages contain headers, bodies, and footers, continually having to piece together every bit of information after each click is, understandably, time-consuming. The process slows down page load times since the server is processing so many requests at once. 

Why is caching important for websites?

Caching saves much of the website’s information for a server, so it doesn’t have to handle requests for every part of a web page anymore. The cache stores files to a disk or RAM, making it easier to duplicate the information when requested. This process limits the amount of work going into loading and reloading webpages, making them load faster.

Since these repeat files are stored, caching reduces the stress on your server. A fast server equals faster page load times, which has a substantial impact on your SEO. But more on that in a minute. This process also speeds up the time to first byte (TTFB). Essentially, the TTFB is the time it takes for a browser to start to receive information from the server. A low TTFB is crucial to fast load times.

Server-level caching with a good host.

A good host will handle caching for you. There are generally four types of caching done at the server-level: Bytecode, Page, Object, and CDN. We can break these down one at a time to understand why each is essential and why utilizing a speedy server with a good host is vital.

  • Bytecode: Bytecode cache deals with PHP code. PHP codes must be compiled into what’s known as a readable “opcode.” Once the opcode is in place, the server no longer needs to sift through the PHP to return browser requests. 

  • Page: Page caching refers to storing the entirety of the HTML from a webpage, so WordPress does not need to generate the page over and over. Most pages are static and evergreen, meaning they don’t change much. The server does not need to build the page for every click continually. 

  • Object: Object caching refers to storing database query information. Querying a database can be arduous and time-consuming for a server. Caching bits of data produced by a search means speeding up the page load times since there’s no need to query an entire database every time.

  • CDN: CDN stands for Content Delivery Network. CDN caching stores website files like javascript, CSS, and media. CDN caching is a more complicated process because it involves storing information away from the server on a, you guessed it, separate network. CDNs can deliver the website information instead of the server, reducing the stress on the server and speeding up load times.

Server-level caching is crucial because a good host does all of this behind the scenes. Since page load times are vital to your website’s SEO, caching as much information as possible is paramount.

WordPress Caching with WP Rocket.

Sometimes we need to go further than our server-level caching. WordPress has mechanisms in place to replace or supplement caching strategies. You can use plugins to perform caching functions if you are self-hosting or using a shared host. There are dozens of plugins to choose from, but we recommend WP Rocket. 

WP Rocket is exceptionally robust but simple to use. Developers will love the ability to play around inside the plugin, but we love that it is excellent for beginners who might feel overwhelmed quickly. The WP Rocket dashboard and settings are easy to set up and understand. The plugin also seamlessly works with eCommerce sites to make sure page load times are blazingly fast.

WP Rocket is a premium plugin offering different pricing plans, but given the usability and depth of the software, we recommend at least trying out the free trial.

How caching affects SEO

One of the largest hurdles websites face when trying to rank on Google is page load times. The Google search algorithms weigh load times heavily when ranking sites. This factor makes caching a must-have. Without caching, your server load speeds will deteriorate as your pages become more dynamic, and the servers have to request and report every line of code/image/etc. for every click. 

The stress will be too much for your server, and page load times will be slow. Not only will that affect your SEO, but you’ll lose traffic almost immediately. No one wants to wait more than five to seven seconds on a website to load. For every second it takes until TTFB, your site slips slightly further in the rankings and becomes more invisible in searches.

Caching is crucial

Websites today are dynamic, loaded with images, and interactive modal windows. Ecommerce sites have tons of media, links, and walls of text. The sheer amount of data on each page is enough to strain any server. This is why caching is so vital. Without caching, servers can be spread too thin, and page load speeds can drop dramatically. The consequences can be disastrous. 

Imagine your website is a store on the main street, but you start to open later in the day than other stores. So, the city moves your store to 3rd street. Search engines are no different. Search algorithms look for the “stores” that open early. Websites with fast speeds will outrank the slower ones, so make sure your site is as quick as possible. Don’t lose your place in the market because you didn’t apply some simple methods to make your website faster.

WPClover knows website caching is crucial to a site’s success. We’d love to talk to you about your website’s performance and how some simple caching techniques can help immediately.

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