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jes.jazzercise.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

jes.jazzercise.com

Jazzercise JES 2.0

Page Load Speed

861 ms in total

First Response

183 ms

Resources Loaded

569 ms

Page Rendered

109 ms

jes.jazzercise.com screenshot

About Website

Click here to check amazing JES Jazzercise content for United States. Otherwise, check out these important facts you probably never knew about jes.jazzercise.com

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Key Findings

We analyzed Jes.jazzercise.com page load time and found that the first response time was 183 ms and then it took 678 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

jes.jazzercise.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

jes.jazzercise.com

183 ms

jes.jazzercise.com

28 ms

login

30 ms

application.css

35 ms

application.js

201 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Jes.jazzercise.com and no external sources were called. The less responsive or slowest element that took the longest time to load (201 ms) belongs to the original domain Jes.jazzercise.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (83%)

Content Size

2.4 MB

After Optimization

406.4 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Jes.jazzercise.com main page is 2.4 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 3.9 kB

  • Original 6.7 kB
  • After minification 6.5 kB
  • After compression 2.8 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. 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 3.9 kB or 59% of the original size.

JavaScript Optimization

-83%

Potential reduce by 1.8 MB

  • Original 2.2 MB
  • After minification 1.4 MB
  • After compression 369.8 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 1.8 MB or 83% of the original size.

CSS Optimization

-85%

Potential reduce by 184.6 kB

  • Original 218.5 kB
  • After minification 217.1 kB
  • After compression 33.8 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. Jes.jazzercise.com needs all CSS files to be minified and compressed as it can save up to 184.6 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • JavaScript
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JES Jazzercise. According to our analytics all requests are already optimized.

Network Requests Diagram

jes.jazzercise.com

jes.jazzercise.com

183 ms

jes.jazzercise.com

jes.jazzercise.com

28 ms

login

login

30 ms

application.css

application.css

35 ms

application.js

application.js

201 ms

_Incapsula_Resource

_Incapsula_Resource

10 ms

Accessibility Review

jes.jazzercise.com accessibility score

93

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.

Best Practices

jes.jazzercise.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

jes.jazzercise.com SEO score

92

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jes.jazzercise.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Jes.jazzercise.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

jes.jazzercise.com

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