Access boltonschool.org.uk. Bolton School - A Prestigious Independent Day School in Lancashire / Manchester

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,750 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

boltonschool.org.uk

525 ms

css

63 ms

font-awesome.min.css

59 ms

bootstrap.min.css

48 ms

bolton-school-bs4.css

252 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 24% of them (9 requests) were addressed to the original Boltonschool.org.uk, 19% (7 requests) were made to Youtube.com and 14% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (747 ms) belongs to the original domain Boltonschool.org.uk.

Content Size

530.2 kB

After Optimization

468.2 kB

In fact, the total size of Boltonschool.org.uk main page is 530.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 329.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 21.3 kB

Original 27.4 kB
After minification 21.1 kB
After compression 6.1 kB

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. This page needs HTML code to be minified as it can gain 6.3 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.3 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 1.5 kB

Original 113.5 kB
After minification 112.0 kB

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. Bolton School images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 39.2 kB

Original 329.4 kB
After minification 329.4 kB
After compression 290.3 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 39.2 kB or 12% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

Original 59.9 kB
After minification 59.9 kB
After compression 59.9 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. Boltonschool.org.uk has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bolton School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.