Tools & Wizards About Us
jako.de screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

jako.de

Der offizielle JAKO Shop für Sportbekleidung | jako.com

Page Load Speed

3.6 sec in total

First Response

198 ms

Resources Loaded

2.8 sec

Page Rendered

638 ms

jako.de screenshot

About Website

Welcome to jako.de homepage info - get ready to check JAKO best content for Germany right away, or after learning these important things about jako.de

JAKO Onlineshop ✓ Sportbekleidung in Top Qualität ✓ Günstige Preise ✓ Freizeitkleidung für Herren, Damen und Kinder. ► Jetzt online bestellen!

Visit jako.de

Key Findings

We analyzed Jako.de page load time and found that the first response time was 198 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jako.de performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

jako.de

198 ms

www.jako.de

391 ms

357 ms

style1715150281.css

396 ms

script1715150281.js

692 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Jako.de, 50% (20 requests) were made to Cdn.jako.de and 20% (8 requests) were made to Jako.com. The less responsive or slowest element that took the longest time to load (692 ms) relates to the external source Jako.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.2 kB (19%)

Content Size

728.3 kB

After Optimization

590.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Jako.de main page is 728.3 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. 40% of websites need less resources to load. Javascripts take 429.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 137.7 kB

  • Original 162.6 kB
  • After minification 149.3 kB
  • After compression 24.9 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 137.7 kB or 85% of the original size.

JavaScript Optimization

-0%

Potential reduce by 340 B

  • Original 429.1 kB
  • After minification 429.1 kB
  • After compression 428.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 154 B

  • Original 136.6 kB
  • After minification 136.6 kB
  • After compression 136.5 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. Jako.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (70%)

Requests Now

10

After Optimization

3

  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JAKO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jako.de

jako.de

198 ms

www.jako.de

www.jako.de

391 ms

357 ms

style1715150281.css

style1715150281.css

396 ms

script1715150281.js

script1715150281.js

692 ms

clipboard.min.js

clipboard.min.js

296 ms

itemlist1715150366.css

itemlist1715150366.css

202 ms

itemlist1715150366.js

itemlist1715150366.js

393 ms

charles-snippet.js

charles-snippet.js

78 ms

gtm.js

gtm.js

115 ms

clk.min.js

clk.min.js

85 ms

logo-blue.svg

logo-blue.svg

276 ms

2024_Online_Main_JAKO_Klassiker_Kachel.jpg

2024_Online_Main_JAKO_Klassiker_Kachel.jpg

276 ms

2024_JAKO_Mobile_JAKO_Klassiker_480x480px.jpg

2024_JAKO_Mobile_JAKO_Klassiker_480x480px.jpg

276 ms

6050_01.jpg

6050_01.jpg

276 ms

color-sign.svg

color-sign.svg

277 ms

6160_000.jpg

6160_000.jpg

276 ms

6722_101_M01.jpg

6722_101_M01.jpg

276 ms

8565_08_M01.jpg

8565_08_M01.jpg

276 ms

8850_01.jpg

8850_01.jpg

276 ms

9321_101_M01.jpg

9321_101_M01.jpg

276 ms

4212_000.jpg

4212_000.jpg

276 ms

9250_08_M01.jpg

9250_08_M01.jpg

276 ms

8821_101_M01.jpg

8821_101_M01.jpg

276 ms

9289_800_M01.jpg

9289_800_M01.jpg

276 ms

jako-club-background-banner.jpg

jako-club-background-banner.jpg

276 ms

jako-club-banner-mobil.jpg

jako-club-banner-mobil.jpg

276 ms

2024_Kampagne_TeamCreator_Keyvisual_Online_Main_1820x640px.jpg

2024_Kampagne_TeamCreator_Keyvisual_Online_Main_1820x640px.jpg

276 ms

2024_Kampagne_TeamCreator_Online-B2C_Mobile_480x480px(1).jpg

2024_Kampagne_TeamCreator_Online-B2C_Mobile_480x480px(1).jpg

276 ms

trustleiste_2023_V1.jpg

trustleiste_2023_V1.jpg

276 ms

trustleiste_2023%20-%20TrustedShop.jpg

trustleiste_2023%20-%20TrustedShop.jpg

276 ms

d

d

87 ms

d

d

180 ms

icons1715150281.woff

icons1715150281.woff

179 ms

d

d

181 ms

d

d

181 ms

d

d

222 ms

d

d

195 ms

e.js

e.js

539 ms

main.min.js

main.min.js

100 ms

Accessibility Review

jako.de accessibility score

93

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 input fields do not have accessible names

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

Links do not have a discernible name

Best Practices

jako.de 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

jako.de SEO score

84

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

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

jako.de

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: