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Humans hate to wait. So the last thing you want is a slow-to-load website. Instead, render a more positive user experience by optimizing your site and reducing load time across all your web pages. The key is balance. The following five load-time optimization steps will fast-track your site so you can satisfy your users’ need for speed without compromising the look and functionality of your pages.
1. Get clear on how you want your site to work.
Before diving in on how to optimize the load time of your web pages, you must first get clear on two things: what you have and what you want. This requires a closer investigation of your target audience, their needs, and how well your site meets those needs. It’s too broad to proclaim, “We want our website to be faster.”
For example, if most of your pages load in two thirds of a second or less, and your target audience is a typical retail consumer, declare victory. You get to turn your attention and resources to other tasks such as adding new functionality. If, on the other hand, a desktop or mobile browser churns for ten seconds before a customer sees your page, roll up your sleeves and keep reading.
2. Stop throwing money at the wrong problem.
Every possible site-speed profile exists on the web, which is why you must be sensitive to your own requirements. Your efforts will only pay off when aimed at a limited segment, and when you understand the root cause of performance issues. For example, if you invest in upgrading your server’s hardware or memory, but are broadsided by bad client-side code, you’ve now wasted your money.
The good news: Accurate, low-cost monitors for page loading are readily available online. First, check with your server hosting provider; you might already be paying for this service. Once you land a monitor you like, measure the bottlenecks that matter for your site.
Three broad domains deal specifically with a website’s load-time delays. When it comes to how quickly a website renders and how well it delivers web applications, these include:
- Server computation.
- Network transmission.
- Browser rendering.
3. Be mindful of mobile.
Check how your site renders on mobile devices. Folklore abounds with websites that are lightning fast when viewed with top-end equipment in the developer’s office, but fall apart in a customer’s hands when trying to access the same site with a smartphone or tablet. Paying attention to mobile performance means more than taking into account unpredictable transmission systems. You must also consider slow mobile browsers whose performance varies from device to device.
4. Manage your image sizes.
There are just as many technological solutions as there are technology problems. The trick becomes narrowing down the best short- and long-term options. This creates one of the great challenges of website optimization: Even with a clear understanding of what you need to accomplish, a half-dozen different approaches might seem like natural solutions.
Take images, for example. If image transmission is your site’s biggest problem, you have a slew of solutions to choose from. Let’s say the servers deliver content snappily, and pages are easy to load, but measurements reveal that it takes many seconds to pass large or complex images. This not only slows down the data transmission, but also bogs down the browser’s rendering engine. Here’s what you can do to remedy the problem:
- Translate images from formats like PNG or JPEG into Scalable Vector Graphics (SVG) to shrink their size dramatically, as well as make them more portable across different display devices and screen sizes.
- Convert large images into a lower-quality format, such as using a more-compressed JPEG encoding scheme.
- “Lazy-load” images so that readers begin to see your page immediately, with its graphic content arriving in the background.
- Redesign the page to require only a fraction as much graphics content.
- Implement a client-side caching scheme; while the initial page loading might remain pokey, navigation around the site is snappy.
- Improve page-loading speed significantly with browser re-load, pre-fetch, and pre-render hints on occasion.
- Use a Content Delivery Network to stage the images at network sites near end-users. This only works well for the highest-volume websites. Otherwise, it’s an expensive and impractical option.
Always be guided by current measurements of your pages’ actual performance, and make sure any optimizations you undertake aim directly at true bottlenecks. That way you increase your chances of significantly improving what your users see today.
Lastly, always keep in mind there might be more than one big problem to solve. For example, sometimes a browser hint or two will nearly double page-load speeds. Or other times, one has to break through four or five bottlenecks in succession to reach adequate performance. When trying to optimize the load time of your site, you must consider the bigger picture. No pun intended.
Excellent books such as Peter Smith’s Professional Website Performance: Optimizing the Front-End and Back-End, are devoted to those sorts of coding tips, tricks and techniques.
- Run a good page-speed profiler.
- Compare the results to your organization’s business requirements for the pages in question.
- Use the profiler’s automated hints and suggestions as starting points for alternative codings.
- Measure your experiments and ruled by measurements, not subjective impressions.
Working with a budget that won’t budge
Even if you’re on a tight budget, you still have options for improving site speed. In fact, it’s been my experience that every — and I mean every — team that uses a page-speed profiler, at all, systematically discovers at least one surprise with the potential to improve speed by at least 20 percent. And that’s without any fees or loss of end-user functionality.
Of course, if you have the means to hire help, you can still cut costs by getting a clear picture of what you have and what you want. The first step is deciding by how much you want to enhance user experience. Got questions on how to optimize load time of your web pages? Connect with GoDaddy’s community of developers just like you in the comments section below.