Tools & Wizards About Us
keller-sports.be screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

keller-sports.be

KELLER SPORTS | Online Winkel - Top sportmerken in Europa

Page Load Speed

871 ms in total

First Response

42 ms

Resources Loaded

653 ms

Page Rendered

176 ms

keller-sports.be screenshot

About Website

Welcome to keller-sports.be homepage info - get ready to check KELLER SPORTS best content for Belgium right away, or after learning these important things about keller-sports.be

Visit keller-sports.be

Key Findings

We analyzed Keller-sports.be page load time and found that the first response time was 42 ms and then it took 829 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

keller-sports.be performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

keller-sports.be

42 ms

keller-sports.be

230 ms

www.keller-sports.be

38 ms

css2

41 ms

public

69 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 11% of them (3 requests) were addressed to the original Keller-sports.be, 75% (21 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Imagedelivery.net. The less responsive or slowest element that took the longest time to load (272 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.9 kB (42%)

Content Size

244.1 kB

After Optimization

141.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Keller-sports.be main page is 244.1 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. Javascripts take 143.2 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 6.2 kB

  • Original 9.1 kB
  • After minification 8.4 kB
  • After compression 2.9 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 6.2 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 91.8 kB
  • After minification 91.8 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. KELLER SPORTS images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 96.7 kB

  • Original 143.2 kB
  • After minification 138.8 kB
  • After compression 46.5 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 96.7 kB or 68% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KELLER SPORTS. According to our analytics all requests are already optimized.

Network Requests Diagram

keller-sports.be

keller-sports.be

42 ms

keller-sports.be

keller-sports.be

230 ms

www.keller-sports.be

www.keller-sports.be

38 ms

css2

css2

41 ms

public

public

69 ms

mc-validate.js

mc-validate.js

73 ms

public

public

60 ms

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64 ms

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69 ms

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67 ms

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68 ms

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69 ms

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69 ms

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69 ms

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83 ms

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125 ms

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83 ms

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82 ms

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85 ms

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84 ms

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85 ms

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104 ms

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128 ms

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103 ms

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84 ms

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272 ms

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84 ms

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108 ms

Accessibility Review

keller-sports.be accessibility score

86

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.

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

Image elements do not have [alt] attributes

Best Practices

keller-sports.be 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

keller-sports.be SEO score

77

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

Image elements do not have [alt] attributes

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

    NL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Keller-sports.be can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Keller-sports.be 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

keller-sports.be

Open Graph description is not detected on the main page of KELLER SPORTS. 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: