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excelswim.com screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

excelswim.com

Excel Swim School | London Ontario

Page Load Speed

3.8 sec in total

First Response

949 ms

Resources Loaded

2.8 sec

Page Rendered

54 ms

excelswim.com screenshot

About Website

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

Excel Swim School offers successful learn to swim and introductory competitive swim programs developed by an Olympic Coach based in London, Ontario, Canada.

Visit excelswim.com

Key Findings

We analyzed Excelswim.com page load time and found that the first response time was 949 ms and then it took 2.8 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

excelswim.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

www.excelswim.com

949 ms

minified.js

32 ms

focus-within-polyfill.js

32 ms

polyfill.min.js

1066 ms

thunderbolt-commons.01a1d4ab.bundle.min.js

55 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Excelswim.com, 39% (13 requests) were made to Static.parastorage.com and 36% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 338.6 kB (50%)

Content Size

671.7 kB

After Optimization

333.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Excelswim.com main page is 671.7 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. 20% of websites need less resources to load. HTML takes 347.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 265.3 kB

  • Original 347.4 kB
  • After minification 345.8 kB
  • After compression 82.2 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 265.3 kB or 76% of the original size.

Image Optimization

-14%

Potential reduce by 2.1 kB

  • Original 14.8 kB
  • After minification 12.7 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, Excel Swim needs image optimization as it can save up to 2.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-23%

Potential reduce by 71.3 kB

  • Original 309.5 kB
  • After minification 309.4 kB
  • After compression 238.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 71.3 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (55%)

Requests Now

20

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Excel Swim. 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 as a result speed up the page load time.

Network Requests Diagram

www.excelswim.com

www.excelswim.com

949 ms

minified.js

minified.js

32 ms

focus-within-polyfill.js

focus-within-polyfill.js

32 ms

polyfill.min.js

polyfill.min.js

1066 ms

thunderbolt-commons.01a1d4ab.bundle.min.js

thunderbolt-commons.01a1d4ab.bundle.min.js

55 ms

main.869ae2a5.bundle.min.js

main.869ae2a5.bundle.min.js

55 ms

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

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

54 ms

lodash.min.js

lodash.min.js

55 ms

react.production.min.js

react.production.min.js

58 ms

react-dom.production.min.js

react-dom.production.min.js

59 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

58 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

56 ms

Excel.jpg

Excel.jpg

353 ms

370f1c_b3a76b4da9a84cf598941368b4868b60~mv2.png

370f1c_b3a76b4da9a84cf598941368b4868b60~mv2.png

632 ms

370f1c_9a83b5907a484b4882f7dad93c24c6a8~mv2.jpg

370f1c_9a83b5907a484b4882f7dad93c24c6a8~mv2.jpg

572 ms

370f1c_1d3340922ed542e59f479ac72110a51d~mv2.jpg

370f1c_1d3340922ed542e59f479ac72110a51d~mv2.jpg

563 ms

bundle.min.js

bundle.min.js

51 ms

123 ms

117 ms

123 ms

116 ms

112 ms

121 ms

160 ms

156 ms

153 ms

151 ms

153 ms

157 ms

deprecation-en.v5.html

deprecation-en.v5.html

4 ms

bolt-performance

bolt-performance

22 ms

deprecation-style.v5.css

deprecation-style.v5.css

9 ms

right-arrow.svg

right-arrow.svg

8 ms

Accessibility Review

excelswim.com accessibility score

96

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

excelswim.com best practices score

92

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

Page has valid source maps

SEO Factors

excelswim.com SEO score

92

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Excelswim.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 Excelswim.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

excelswim.com

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