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swimstarsanddolphins.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

swimstarsanddolphins.com

Children's Swimming Lessons Doncaster

Page Load Speed

3.2 sec in total

First Response

215 ms

Resources Loaded

2.9 sec

Page Rendered

76 ms

swimstarsanddolphins.com screenshot

About Website

Welcome to swimstarsanddolphins.com homepage info - get ready to check Swimstarsanddolphins best content right away, or after learning these important things about swimstarsanddolphins.com

Go Swimstars is proud to provide state-of-the-art aquatic facilities that are dedicated to swimming lessons and programs for children, from birth to 14+ years.

Visit swimstarsanddolphins.com

Key Findings

We analyzed Swimstarsanddolphins.com page load time and found that the first response time was 215 ms and then it took 3 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

swimstarsanddolphins.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value1,980 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

www.swimstarsanddolphins.com

215 ms

minified.js

117 ms

focus-within-polyfill.js

115 ms

polyfill.min.js

966 ms

thunderbolt-commons.b70ee867.bundle.min.js

122 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Swimstarsanddolphins.com, 46% (26 requests) were made to Static.wixstatic.com and 27% (15 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 808.0 kB (53%)

Content Size

1.5 MB

After Optimization

711.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Swimstarsanddolphins.com main page is 1.5 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. HTML takes 805.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 647.0 kB

  • Original 805.0 kB
  • After minification 803.2 kB
  • After compression 158.0 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. 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 647.0 kB or 80% of the original size.

Image Optimization

-35%

Potential reduce by 157.5 kB

  • Original 454.2 kB
  • After minification 296.8 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. Obviously, Swimstarsanddolphins needs image optimization as it can save up to 157.5 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 259.8 kB
  • After minification 259.8 kB
  • After compression 256.2 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.

Requests Breakdown

Number of requests can be reduced by 10 (26%)

Requests Now

39

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swimstarsanddolphins. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.swimstarsanddolphins.com

www.swimstarsanddolphins.com

215 ms

minified.js

minified.js

117 ms

focus-within-polyfill.js

focus-within-polyfill.js

115 ms

polyfill.min.js

polyfill.min.js

966 ms

thunderbolt-commons.b70ee867.bundle.min.js

thunderbolt-commons.b70ee867.bundle.min.js

122 ms

main.317ed945.bundle.min.js

main.317ed945.bundle.min.js

125 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

124 ms

lodash.min.js

lodash.min.js

123 ms

react.production.min.js

react.production.min.js

122 ms

react-dom.production.min.js

react-dom.production.min.js

126 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

125 ms

93d7a1_c949fd52e30646ad995e906171583ca6~mv2.png

93d7a1_c949fd52e30646ad995e906171583ca6~mv2.png

298 ms

93d7a1_4526be9331fa435b823d38a1c3c0106f~mv2.jpg

93d7a1_4526be9331fa435b823d38a1c3c0106f~mv2.jpg

446 ms

DSC01024-2.jpg

DSC01024-2.jpg

417 ms

IMG_0159_edited.jpg

IMG_0159_edited.jpg

414 ms

IMG_0556_edited.jpg

IMG_0556_edited.jpg

480 ms

Baby.png

Baby.png

446 ms

Membership%20card4.png

Membership%20card4.png

505 ms

93d7a1_7ad025061fde49d0b44214e43c844f7d~mv2.jpg

93d7a1_7ad025061fde49d0b44214e43c844f7d~mv2.jpg

577 ms

93d7a1_84a59d1b946c40cea80ad53c3b9f5e88~mv2.png

93d7a1_84a59d1b946c40cea80ad53c3b9f5e88~mv2.png

589 ms

93d7a1_1c52fd162cbb467b93b7bbe333f145e9~mv2.jpg

93d7a1_1c52fd162cbb467b93b7bbe333f145e9~mv2.jpg

581 ms

93d7a1_07aa4f01268b4e6c85bc7447d58e4eb2~mv2.webp

93d7a1_07aa4f01268b4e6c85bc7447d58e4eb2~mv2.webp

614 ms

93d7a1_0ea177b10e6b411185ad16d214db8100~mv2.jpg

93d7a1_0ea177b10e6b411185ad16d214db8100~mv2.jpg

664 ms

93d7a1_9550e65bac6b40308cf1f95b52810c7b~mv2.jpg

93d7a1_9550e65bac6b40308cf1f95b52810c7b~mv2.jpg

636 ms

93d7a1_47c711e092fe4ba98bf65fe397b31ec4~mv2.jpg

93d7a1_47c711e092fe4ba98bf65fe397b31ec4~mv2.jpg

736 ms

93d7a1_cae806af8a3042769aceba5196438626~mv2.png

93d7a1_cae806af8a3042769aceba5196438626~mv2.png

849 ms

93d7a1_38b5ce3ae15d41d4bfcc7bab6fd8f04e~mv2.jpg

93d7a1_38b5ce3ae15d41d4bfcc7bab6fd8f04e~mv2.jpg

881 ms

93d7a1_2385eca63cb04b2282c6e2517d8c9590~mv2.jpg

93d7a1_2385eca63cb04b2282c6e2517d8c9590~mv2.jpg

811 ms

Baby.png

Baby.png

728 ms

ea71bb_484af44e3acd4764a591a660706ede13~mv2.jpg

ea71bb_484af44e3acd4764a591a660706ede13~mv2.jpg

833 ms

Mumblers'-Favourite-Class-or-Activity-Over-5's.png

Mumblers'-Favourite-Class-or-Activity-Over-5's.png

906 ms

highfield-quals-logo.png

highfield-quals-logo.png

864 ms

93d7a1_89d041a88559426787b5e4e596cd00fd~mv2_png.png

93d7a1_89d041a88559426787b5e4e596cd00fd~mv2_png.png

968 ms

universal-credit_png.png

universal-credit_png.png

1050 ms

BLC_Logo_Primary_Contained_2000x.jpg

BLC_Logo_Primary_Contained_2000x.jpg

1018 ms

bundle.min.js

bundle.min.js

106 ms

file.woff

file.woff

672 ms

file.woff

file.woff

683 ms

119 ms

130 ms

124 ms

123 ms

124 ms

122 ms

146 ms

150 ms

148 ms

151 ms

147 ms

deprecation-en.v5.html

deprecation-en.v5.html

10 ms

bolt-performance

bolt-performance

27 ms

deprecation-style.v5.css

deprecation-style.v5.css

6 ms

right-arrow.svg

right-arrow.svg

15 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

11 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

15 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

12 ms

Accessibility Review

swimstarsanddolphins.com accessibility score

87

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

swimstarsanddolphins.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

swimstarsanddolphins.com SEO score

97

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swimstarsanddolphins.com 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 Swimstarsanddolphins.com 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

swimstarsanddolphins.com

Open Graph data is detected on the main page of Swimstarsanddolphins. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: