Tools & Wizards About Us
jacob.de screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

jacob.de

PCs, Hardware, Software & weiteres Zubehör bei JACOB online kaufen

Page Load Speed

7.4 sec in total

First Response

1.3 sec

Resources Loaded

3.3 sec

Page Rendered

2.9 sec

jacob.de screenshot

About Website

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

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Key Findings

We analyzed Jacob.de page load time and found that the first response time was 1.3 sec and then it took 6.2 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

jacob.de performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

www.jacob.de

1265 ms

994.b5660881.js

192 ms

112.45d9470c.js

469 ms

674.5a3a4cdb.js

685 ms

675.9eb03f12.js

685 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 52% of them (14 requests) were addressed to the original Jacob.de, 15% (4 requests) were made to Media.jacob.services and 11% (3 requests) were made to Blog.jacob.de. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Jacob.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.8 kB (52%)

Content Size

357.7 kB

After Optimization

170.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jacob.de main page is 357.7 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. 50% of websites need less resources to load. Images take 200.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 107.2 kB

  • Original 129.1 kB
  • After minification 109.6 kB
  • After compression 21.9 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. This page needs HTML code to be minified as it can gain 19.5 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 107.2 kB or 83% of the original size.

Image Optimization

-40%

Potential reduce by 79.6 kB

  • Original 200.8 kB
  • After minification 121.2 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. Obviously, JACOB needs image optimization as it can save up to 79.6 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 69 B

  • Original 27.8 kB
  • After minification 27.8 kB
  • After compression 27.8 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.

Requests Breakdown

Number of requests can be reduced by 11 (48%)

Requests Now

23

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JACOB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.jacob.de

www.jacob.de

1265 ms

994.b5660881.js

994.b5660881.js

192 ms

112.45d9470c.js

112.45d9470c.js

469 ms

674.5a3a4cdb.js

674.5a3a4cdb.js

685 ms

675.9eb03f12.js

675.9eb03f12.js

685 ms

365.e2313109.js

365.e2313109.js

718 ms

main.a4c08eeb.js

main.a4c08eeb.js

671 ms

recommendation.a3db1d53.js

recommendation.a3db1d53.js

671 ms

gtm.js

gtm.js

464 ms

api.js

api.js

456 ms

kameleoon.js

kameleoon.js

862 ms

logo.png

logo.png

641 ms

0cb628546ad84939d913707fb083e286.jpg

0cb628546ad84939d913707fb083e286.jpg

399 ms

banner.css

banner.css

862 ms

banner.js

banner.js

1127 ms

service.svg

service.svg

529 ms

energylabels.png

energylabels.png

502 ms

b2b-back.jpg

b2b-back.jpg

534 ms

payment-sprite.png

payment-sprite.png

943 ms

trust-sprite.png

trust-sprite.png

533 ms

35dfb9ecc4cc7bde7081b5a64d021bb9.png

35dfb9ecc4cc7bde7081b5a64d021bb9.png

371 ms

b2c68bac34e281a5181c6181fa6e7071.jpg

b2c68bac34e281a5181c6181fa6e7071.jpg

498 ms

5cb75387ae349d8e3ecb13c382143f55.jpg

5cb75387ae349d8e3ecb13c382143f55.jpg

495 ms

recaptcha__en.js

recaptcha__en.js

107 ms

HEADER_NETZWERKAKTION_LP-300x150.png

HEADER_NETZWERKAKTION_LP-300x150.png

454 ms

Header_800x400_WLANUNTERNEHMEN-1-300x150.png

Header_800x400_WLANUNTERNEHMEN-1-300x150.png

266 ms

BacktoCampus_Header_800x400_ratgeber-300x150.png

BacktoCampus_Header_800x400_ratgeber-300x150.png

266 ms

Accessibility Review

jacob.de accessibility score

92

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Some elements have a [tabindex] value greater than 0

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

jacob.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

SEO Factors

jacob.de SEO score

99

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jacob.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Jacob.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

jacob.de

Open Graph data is detected on the main page of JACOB. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: