Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 0

    Best Practices

  • 85

    SEO

    Google-friendlier than
    56% of websites

durhamschool.co.uk

Durham School: independent day and boarding school in the North East of England for boys and girls

Page Load Speed

3.8 sec in total

First Response

409 ms

Resources Loaded

2.9 sec

Page Rendered

480 ms

durhamschool.co.uk screenshot

About Website

Click here to check amazing Durham School content for United Kingdom. Otherwise, check out these important facts you probably never knew about durhamschool.co.uk

Durham School: independent day and boarding school in the North East of England for boys and girls: : Durham School

Visit durhamschool.co.uk

Key Findings

We analyzed Durhamschool.co.uk page load time and found that the first response time was 409 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

durhamschool.co.uk performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

durhamschool.co.uk

409 ms

www.durhamschool.co.uk

1295 ms

font-awesome.min.css

11 ms

global.min.css

471 ms

durham-school.css

705 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 53% of them (28 requests) were addressed to the original Durhamschool.co.uk, 6% (3 requests) were made to Fonts.gstatic.com and 6% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Durhamschool.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 758.2 kB (24%)

Content Size

3.1 MB

After Optimization

2.4 MB

In fact, the total size of Durhamschool.co.uk main page is 3.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 28.9 kB

  • Original 36.8 kB
  • After minification 30.5 kB
  • After compression 7.9 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 17% 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 28.9 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 40.6 kB

  • Original 2.1 MB
  • After minification 2.1 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. Durham School images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 354.1 kB

  • Original 560.6 kB
  • After minification 554.1 kB
  • After compression 206.6 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 354.1 kB or 63% of the original size.

CSS Optimization

-85%

Potential reduce by 334.6 kB

  • Original 394.3 kB
  • After minification 374.3 kB
  • After compression 59.7 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. Durhamschool.co.uk needs all CSS files to be minified and compressed as it can save up to 334.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (39%)

Requests Now

44

After Optimization

27

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Durham 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 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

durhamschool.co.uk accessibility score

85

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

SEO Factors

durhamschool.co.uk SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Durhamschool.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Durhamschool.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Durham School. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: