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name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

rosch-computer.de

216 ms

www.rosch-computer.de

577 ms

bootstrap.min.css

308 ms

jquery-ui.min.css

388 ms

smart_tab_all.min.css

404 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that all of those requests were addressed to Rosch-computer.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Rosch-computer.de.

Content Size

2.2 MB

After Optimization

1.8 MB

In fact, the total size of Rosch-computer.de main page is 2.2 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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 230.2 kB

Original 255.2 kB
After minification 192.2 kB
After compression 25.0 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 63.0 kB, which is 25% 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 230.2 kB or 90% of the original size.

Image Optimization

-7%

Potential reduce by 122.5 kB

Original 1.7 MB
After minification 1.6 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. Rosch Computer images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 45.8 kB

Original 199.3 kB
After minification 199.3 kB
After compression 153.4 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 45.8 kB or 23% of the original size.

CSS Optimization

-0%

Potential reduce by 264 B

Original 58.6 kB
After minification 58.6 kB
After compression 58.3 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. Rosch-computer.de has all CSS files already compressed.

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After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosch Computer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.