Tools & Wizards About Us
daltontraining.co.uk screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% 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

Dalton Training - Courses for the Leisure Industry, Swimming Teaching and Coaching, Lifeguard and Lifesaving, First Aid, Safeguarding, Assessing

Page Load Speed

1.6 sec in total

First Response

86 ms

Resources Loaded

1.2 sec

Page Rendered

289 ms

daltontraining.co.uk screenshot

About Website

Click here to check amazing Dalton Training 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 86 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

daltontraining.co.uk performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value2,080 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

daltontraining.co.uk

86 ms

www.daltontraining.co.uk

148 ms

stylesheet.css

9 ms

jquery-ui.css

16 ms

jsapi

7 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 43% of them (29 requests) were addressed to the original Daltontraining.co.uk, 25% (17 requests) were made to Static.xx.fbcdn.net and 7% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (438 ms) relates to the external source Facebook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.6 kB (3%)

Content Size

1.0 MB

After Optimization

980.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Daltontraining.co.uk main page is 1.0 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. Only a small number of websites need less resources to load. Images take 694.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.9 kB

  • Original 20.7 kB
  • After minification 17.4 kB
  • After compression 4.8 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 16% 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 15.9 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 5.5 kB

  • Original 694.8 kB
  • After minification 689.2 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. Dalton Training images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.7 kB

  • Original 231.8 kB
  • After minification 231.8 kB
  • After compression 225.2 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

-1%

Potential reduce by 496 B

  • Original 61.6 kB
  • After minification 61.6 kB
  • After compression 61.1 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 has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (43%)

Requests Now

61

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dalton Training. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

daltontraining.co.uk

daltontraining.co.uk

86 ms

www.daltontraining.co.uk

www.daltontraining.co.uk

148 ms

stylesheet.css

stylesheet.css

9 ms

jquery-ui.css

jquery-ui.css

16 ms

jsapi

jsapi

7 ms

jquery.easyslider.js

jquery.easyslider.js

41 ms

colorbox.css

colorbox.css

17 ms

jquery.custom.js

jquery.custom.js

78 ms

loader.js

loader.js

17 ms

jquery.min.js

jquery.min.js

18 ms

x7hlL_ln7Oc

x7hlL_ln7Oc

131 ms

video.php

video.php

438 ms

ga.js

ga.js

33 ms

bg.jpg

bg.jpg

21 ms

dalton_training_logo.gif

dalton_training_logo.gif

19 ms

telephone.gif

telephone.gif

20 ms

strapline.gif

strapline.gif

20 ms

bullet.gif

bullet.gif

32 ms

nav_sprite.png

nav_sprite.png

25 ms

01298ASA_AB-Approved-centre-logo.png

01298ASA_AB-Approved-centre-logo.png

47 ms

welcome.png

welcome.png

31 ms

view_all.gif

view_all.gif

43 ms

read_more.gif

read_more.gif

41 ms

IMG_2694.jpg

IMG_2694.jpg

56 ms

L1_SAT_PLC.jpg

L1_SAT_PLC.jpg

84 ms

testimonials.gif

testimonials.gif

41 ms

excellence_award.jpg

excellence_award.jpg

85 ms

cornish-swim-academy.jpg

cornish-swim-academy.jpg

124 ms

icon.gif

icon.gif

98 ms

nspcc.gif

nspcc.gif

123 ms

ios.gif

ios.gif

104 ms

asa.gif

asa.gif

152 ms

british_swimming.gif

british_swimming.gif

150 ms

Xmas-NPLQ-poster-Dec-19.jpg

Xmas-NPLQ-poster-Dec-19.jpg

304 ms

award_bg.gif

award_bg.gif

150 ms

facebook.gif

facebook.gif

151 ms

__utm.gif

__utm.gif

12 ms

www-player.css

www-player.css

9 ms

www-embed-player.js

www-embed-player.js

26 ms

base.js

base.js

56 ms

ad_status.js

ad_status.js

157 ms

QIgJXlTW_ocH5BKR4VvT459F7KnrK51w4wqraUAmDYI.js

QIgJXlTW_ocH5BKR4VvT459F7KnrK51w4wqraUAmDYI.js

104 ms

embed.js

embed.js

39 ms

0u6owy_OvA8.css

0u6owy_OvA8.css

63 ms

BFVUlNP835L.js

BFVUlNP835L.js

201 ms

JI92OaQn4ZZ.js

JI92OaQn4ZZ.js

226 ms

nO-rALn5e4j.js

nO-rALn5e4j.js

235 ms

4r8pcxnOs4K.js

4r8pcxnOs4K.js

232 ms

O6DkQA6k3tG.js

O6DkQA6k3tG.js

230 ms

oMnSDls4bpR.js

oMnSDls4bpR.js

232 ms

WzN5YxspWe_.js

WzN5YxspWe_.js

232 ms

Ti1RMAGjXJC.js

Ti1RMAGjXJC.js

235 ms

AwtpTRGfMrk.js

AwtpTRGfMrk.js

232 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

31 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

166 ms

id

id

149 ms

Create

Create

238 ms

14926459_1034861396625353_3614291017685008384_n.jpg

14926459_1034861396625353_3614291017685008384_n.jpg

136 ms

326510896_727784485691855_4273103376634631899_n.jpg

326510896_727784485691855_4273103376634631899_n.jpg

171 ms

SWhawEjeLCn.png

SWhawEjeLCn.png

31 ms

vwOUmvzU_7P.png

vwOUmvzU_7P.png

30 ms

9OuGuYFYW4q.js

9OuGuYFYW4q.js

105 ms

9qaMtJE9bNO.js

9qaMtJE9bNO.js

104 ms

XLPaco-pRLU.js

XLPaco-pRLU.js

104 ms

PbZ9XhPJHr4.js

PbZ9XhPJHr4.js

104 ms

otyZD8Z3HOB.js

otyZD8Z3HOB.js

104 ms

GenerateIT

GenerateIT

27 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 Dalton Training. 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: