Access centraltest.co.uk.

centraltest.co.uk

228 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Centraltest.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (228 ms) belongs to the original domain Centraltest.co.uk.

Content Size

2.2 MB

After Optimization

1.3 MB

In fact, the total size of Centraltest.co.uk main page is 2.2 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-18%

Potential reduce by 8 B

Original 44 B
After minification 42 B
After compression 36 B

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8 B or 18% of the original size.

Image Optimization

-12%

Potential reduce by 158.2 kB

Original 1.3 MB
After minification 1.1 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Centraltest needs image optimization as it can save up to 158.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 396.8 kB

Original 544.8 kB
After minification 464.6 kB
After compression 148.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 396.8 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 284.1 kB

Original 334.1 kB
After minification 330.6 kB
After compression 50.0 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Centraltest.co.uk needs all CSS files to be minified and compressed as it can save up to 284.1 kB or 85% of the original size.