Speed & Performance Optimisation.

Is your website optimised?

Increase conversions, improve user experience and keep your bottom-line profits high.

Don’t turn your customers to the competition.

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We Optimise Your Website And Yield Instant Results.

Your website speed should be of upmost priority as slow sites decrease customer satisfaction and research has shown that an improvement in site speed can increase conversions.

Website load speed is also a critical factor when it comes to ranking your website higher on Search Engine Results Page (SERP) as Google gives preferential treatment to websites that load quickly.

If your website load time isn’t on par with the top 10 organic pages, you won’t rank on the first page and the vast majority of search engine users simply won’t click to the second page.

We can shave off anywhere from 5ms up to 3s or more, depending how optimised your site currently is. Our average reduction in a sites load speed is 73%.

We deploy our perfected methodologies to your site and yield instant results.

Propel Belfastcan improve most websites in less than 24hrs.

Why Website Speed Matters.

Improve Customer Retention and Conversions.

Most businesses grow more effectively when they have ways of serving their clients faster. We provide you the way to do it. The speed of your website is an important detail and every millisecond that passes you’re losing vital opportunities.

Strategic Website Optimisation Strategy

  • 24 – 72hr Delivery

  • Potential Gain 5ms – 3s+

  • Cloud CDN
  • Asset Management

  • Bespoke Brower Caching

  • File optimisations

  • Media Compression

  • Media LazyLoad

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How can we help improve your website?

A UK visitor wishing to view content which originates at US-based server will experience poor loading times if this request has to travel across the Atlantic. To combat this, we leverage a CDN.

A Content Delivery Network (CDN) is a way to deliver content from your website or mobile application to people more quickly and efficiently, based on their geographic location. Thus providing a consistent experience for all your users, no matter their location.

A CDN is made up of a network of servers (“points of presence,” or POPs) in locations all over the world and currently we have over 200+ datacentres. This allow us to store a cached version of the website content in multiple geographical locations around the world and dynamically deliver the site to users based on their location.

This also allows us to distribute bandwidth across multiple servers, instead of allowing one server to handle all traffic, thus preventing site crashes in the event of traffic surges. 

Going global is the first step to a high-quality online business.

Having lots of features or plugins will slow down your website site. Each asset will have its own files, which will be loaded every time a web page is loaded. This can increase the number of requests your web page makes, thus increasing the load time.

They may be only used for one page, however, due to inefficient coding or redundant files, those assets will often run on every page, even if it’s not being displayed or used. This leads to additional and unnecessary requests that slow your site down.

To optimise your site we detect and compile a list of unused assets files that are being loaded on each of your site’s pages. Then, we individually examine each page and determine any assets that are not necessary and remove them, thus reducing the bloat and yielding a lightweight page. In turn resulting in your website using less resources and therefore significantly improving page load speed and page performance.

Fetching the resources to load your website takes a ton of effort. It requires loading each image and page element and then dealing with heavy HTML and coding. Each time someone loads your site, this process has to happen all over again.

Browser caching can help by “remembering” the previously-loaded resources so that it doesn’t have to reload them upon every single visit. Once the page has been loaded and the different components stored in the user’s cache, only a few components needs to be downloaded for subsequent visits.

Utilising caching can shave off a significant amount of time of returning visitors and provide a better user experience.

However, 40-60% of daily visitors to your site come in with an empty cache, so it’s critical that your website is still fast for these first-time visitors.

We can provide best-in-class file optimisations for any website, featuring:

Render-blocking JavaScript and CSS
Configuration for HTTP/2
Optimise CSS Delivery
Remove Query String from Static Resources
Excluding External JS from Concatenation
Troubleshooting Critical CSS generation issues
Resolving Issues with File Optimization
Excluding Inline JS from combine
Find the right JS files to exclude from minification
Excluding Dynamic Filenames
Remove jQuery Migrate
Exclude files from Defer JS
Load JavaScript deferred
Reducing the Number of Minified Files
Exclude files from Optimize CSS Delivery
Optimize Google Fonts
Cache folder is getting too big
Resolving Issues With CSS Minify / Combine
Delay JavaScript Execution
Exclude files from Remove Query String option
Fix Large Cache Folder Size Caused by Dynamic Inline JS
Prevent Static File Creation for Dynamic CSS/JS
List of Scripts Automatically Included in Delay JavaScript Execution
Save Dynamic CSS/JS as Static Files
CSS minify and combine
JavaScript minify and combine

Optimising web media is a process of delivering high-quality media, such as images in the right format, dimension, size, and resolution while keeping the smallest possible size.

On average, around 64% of a website’s weight is comprised of images. Reducing the size of these images without reducing the image quality, will have a direct and positive impact on page load speeds and user-experience of visitors on your websites.

We use dual-pass lossless image compression, squeezing data from your image files that will save space, resize huge images, and improve speed without changing quality.

To further optimise your images, we can provide image serving in next generation formats, such as WebP using our CDN.

Lazy loading media means loading media, such as images, videos, on websites asynchronously — that is, after the above-the-fold content is fully loaded, or even dynamically, only when they appear in the browser’s viewport. This means that if users don’t scroll all the way down, images placed at the bottom of the page won’t even be loaded.

Used with care, lazy-loading images and video can seriously lower the initial load time and page payloads on your site. Users won’t incur unnecessary network activity and processing costs of media resources they may never see, but they can still view those resources if they want.

We do this in an SEO-friendly way, inline with Google guidelines.


Optimised websites


Average reduction in load time


Websites optimised in <24hrs

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