Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

kh.jbl.com

Official JBL Store - Speakers, Headphones, and More!

Page Load Speed

2.7 sec in total

First Response

234 ms

Resources Loaded

1.7 sec

Page Rendered

717 ms

About Website

Visit kh.jbl.com now to see the best up-to-date Kh JBL content for United States and also check out these interesting facts you probably never knew about kh.jbl.com

Premium speakers from JBL such as wireless bluetooth speakers, Android & iOS headphones, soundbars, subwoofers, home theater systems, computer speakers, & iPod/iPhone docks. Get the best sound for mus...

Visit kh.jbl.com

Key Findings

We analyzed Kh.jbl.com page load time and found that the first response time was 234 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

kh.jbl.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value1,640 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.177

68/100

15%

TTI (Time to Interactive)

Value32.4 s

0/100

10%

Network Requests Diagram

kh.jbl.com

234 ms

style.min.css

40 ms

compare-plp.min.css

35 ms

eol-pdp.min.css

28 ms

pdp-v2.min.css

28 ms

Our browser made a total of 157 requests to load all elements on the main page. We found that 97% of them (152 requests) were addressed to the original Kh.jbl.com, 1% (1 request) were made to 100009099.collect.igodigital.com and 1% (1 request) were made to Ar.huemenar.com. The less responsive or slowest element that took the longest time to load (449 ms) belongs to the original domain Kh.jbl.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 990.9 kB (2%)

Content Size

47.2 MB

After Optimization

46.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kh.jbl.com main page is 47.2 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 44.5 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 520.4 kB

  • Original 575.8 kB
  • After minification 552.5 kB
  • After compression 55.4 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 520.4 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 242.5 kB

  • Original 44.5 MB
  • After minification 44.3 MB

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. Kh JBL images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 227.0 kB

  • Original 2.0 MB
  • After minification 2.0 MB
  • After compression 1.7 MB

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 227.0 kB or 11% of the original size.

CSS Optimization

-1%

Potential reduce by 998 B

  • Original 121.0 kB
  • After minification 120.9 kB
  • After compression 120.0 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. Kh.jbl.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 105 (72%)

Requests Now

146

After Optimization

41

  • Images
  • JavaScript
  • CSS

The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kh JBL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 91 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

kh.jbl.com accessibility score

87

Accessibility Issues

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-hidden="true"] elements contain focusable descendents

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

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

kh.jbl.com best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

kh.jbl.com SEO score

91

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 Kh.jbl.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 Kh.jbl.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

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