Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

jbl.de

JBL | Ahead through research

Page Load Speed

7.4 sec in total

First Response

366 ms

Resources Loaded

6 sec

Page Rendered

1 sec

jbl.de screenshot

About Website

Click here to check amazing JBL content for Germany. Otherwise, check out these important facts you probably never knew about jbl.de

JBL is your expert for aquaristics, pond & terraristics. Since 1960, JBL has maintained its reputation for high-quality products based on its own research.

Visit jbl.de

Key Findings

We analyzed Jbl.de page load time and found that the first response time was 366 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

jbl.de performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

jbl.de

366 ms

www.jbl.de

864 ms

all_html_35.css

309 ms

html_26_en.js

606 ms

responsiv_setup.js

105 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 99% of them (149 requests) were addressed to the original Jbl.de, 1% (1 request) were made to Browser-update.org. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Jbl.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (10%)

Content Size

10.1 MB

After Optimization

9.1 MB

In fact, the total size of Jbl.de main page is 10.1 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 8.9 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 169.2 kB

  • Original 190.7 kB
  • After minification 182.4 kB
  • After compression 21.4 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 169.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 24.8 kB

  • Original 8.9 MB
  • After minification 8.8 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. JBL images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 460.6 kB

  • Original 613.7 kB
  • After minification 612.2 kB
  • After compression 153.2 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 460.6 kB or 75% of the original size.

CSS Optimization

-87%

Potential reduce by 350.2 kB

  • Original 401.5 kB
  • After minification 399.8 kB
  • After compression 51.3 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. Jbl.de needs all CSS files to be minified and compressed as it can save up to 350.2 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

143

After Optimization

143

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JBL. According to our analytics all requests are already optimized.

Accessibility Review

jbl.de accessibility score

98

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

jbl.de 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

Missing source maps for large first-party JavaScript

SEO Factors

jbl.de SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Jbl.de 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 Jbl.de 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 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: