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daltontraining.co.uk screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

daltontraining.co.uk

Page Load Speed

1.3 sec in total

First Response

93 ms

Resources Loaded

867 ms

Page Rendered

323 ms

daltontraining.co.uk screenshot

About Website

Click here to check amazing Daltontraining content. Otherwise, check out these important facts you probably never knew about daltontraining.co.uk

Dalton Training has been providing vocational courses for the Leisure Industry since 2005. The company is based in Tavistock Devon, courses are run nationwide. We offer courses for Swimming Teaching a...

Visit daltontraining.co.uk

Key Findings

We analyzed Daltontraining.co.uk page load time and found that the first response time was 93 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

daltontraining.co.uk performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value1,810 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

daltontraining.co.uk

93 ms

www.daltontraining.co.uk

107 ms

stylesheet.css

6 ms

jquery-ui.css

9 ms

jsapi

8 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 58% of them (29 requests) were addressed to the original Daltontraining.co.uk, 10% (5 requests) were made to Youtube.com and 8% (4 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (187 ms) relates to the external source Static.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.3 kB (28%)

Content Size

1.4 MB

After Optimization

987.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Daltontraining.co.uk main page is 1.4 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. 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. Images take 690.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.0 kB

  • Original 19.5 kB
  • After minification 16.2 kB
  • After compression 4.6 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 3.4 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 15.0 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 5.5 kB

  • Original 690.7 kB
  • After minification 685.1 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. Daltontraining images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 10.8 kB

  • Original 244.5 kB
  • After minification 242.3 kB
  • After compression 233.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 355.0 kB

  • Original 419.4 kB
  • After minification 415.8 kB
  • After compression 64.4 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. Daltontraining.co.uk needs all CSS files to be minified and compressed as it can save up to 355.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

44

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Daltontraining. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

daltontraining.co.uk

daltontraining.co.uk

93 ms

www.daltontraining.co.uk

www.daltontraining.co.uk

107 ms

stylesheet.css

stylesheet.css

6 ms

jquery-ui.css

jquery-ui.css

9 ms

jsapi

jsapi

8 ms

jquery.easyslider.js

jquery.easyslider.js

12 ms

colorbox.css

colorbox.css

20 ms

jquery.custom.js

jquery.custom.js

20 ms

loader.js

loader.js

26 ms

jquery.min.js

jquery.min.js

33 ms

bg.jpg

bg.jpg

20 ms

x7hlL_ln7Oc

x7hlL_ln7Oc

180 ms

video.php

video.php

131 ms

ga.js

ga.js

34 ms

dalton_training_logo.gif

dalton_training_logo.gif

17 ms

telephone.gif

telephone.gif

18 ms

strapline.gif

strapline.gif

18 ms

bullet.gif

bullet.gif

16 ms

nav_sprite.png

nav_sprite.png

17 ms

01298ASA_AB-Approved-centre-logo.png

01298ASA_AB-Approved-centre-logo.png

29 ms

welcome.png

welcome.png

32 ms

view_all.gif

view_all.gif

32 ms

read_more.gif

read_more.gif

32 ms

IMG_2694.jpg

IMG_2694.jpg

82 ms

L1_SAT_PLC.jpg

L1_SAT_PLC.jpg

82 ms

testimonials.gif

testimonials.gif

79 ms

excellence_award.jpg

excellence_award.jpg

81 ms

cornish-swim-academy.jpg

cornish-swim-academy.jpg

80 ms

icon.gif

icon.gif

80 ms

nspcc.gif

nspcc.gif

83 ms

ios.gif

ios.gif

84 ms

asa.gif

asa.gif

87 ms

british_swimming.gif

british_swimming.gif

85 ms

Xmas-NPLQ-poster-Dec-19.jpg

Xmas-NPLQ-poster-Dec-19.jpg

87 ms

award_bg.gif

award_bg.gif

85 ms

facebook.gif

facebook.gif

88 ms

__utm.gif

__utm.gif

14 ms

MpdfZ1mwXmC.png

MpdfZ1mwXmC.png

16 ms

uvau2ZhqVkD.png

uvau2ZhqVkD.png

16 ms

hXLpopTsiHV.png

hXLpopTsiHV.png

17 ms

U-w7kFfb7fy.png

U-w7kFfb7fy.png

19 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

26 ms

base.js

base.js

49 ms

ad_status.js

ad_status.js

187 ms

HaHpWE_0duTSefVExCMNVYVl6wdW_Clnq1D9J4kZC6Y.js

HaHpWE_0duTSefVExCMNVYVl6wdW_Clnq1D9J4kZC6Y.js

130 ms

embed.js

embed.js

43 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

38 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

38 ms

id

id

24 ms

Accessibility Review

daltontraining.co.uk accessibility score

82

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

daltontraining.co.uk best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

daltontraining.co.uk SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Daltontraining.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Daltontraining.co.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

daltontraining.co.uk

Open Graph description is not detected on the main page of Daltontraining. 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: