Report Summary

  • 0


  • 0


  • 0

    Best Practices

  • 0


Der Dienstleister für Handel und Verlage - Buchzentrum

Page Load Speed

2.6 sec in total

First Response

370 ms

Resources Loaded

2.1 sec

Page Rendered

205 ms screenshot

About Website

Visit now to see the best up-to-date Buchzentrum content for Switzerland and also check out these interesting facts you probably never knew about

Der führende Schweizer Dienstleister für Handel und Verlage &#8226 Verlagsauslieferung &#8226 Barsortiment &#8226 Digitale Dienstleistungen &#8226 Genossenschaft


Key Findings

We analyzed page load time and found that the first response time was 370 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

370 ms


119 ms


533 ms


676 ms


72 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 96% of them (25 requests) were addressed to the original, 4% (1 request) were made to The less responsive or slowest element that took the longest time to load (875 ms) belongs to the original domain

Page Optimization Overview & Recommendations

Page size can be reduced by 505.9 kB (52%)

Content Size

975.9 kB

After Optimization

470.0 kB

In fact, the total size of main page is 975.9 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 532.2 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 14.1 kB

  • Original 18.4 kB
  • After minification 16.3 kB
  • After compression 4.3 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 2.1 kB, which is 11% 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 14.1 kB or 77% of the original size.

Image Optimization


Potential reduce by 32.1 kB

  • Original 271.1 kB
  • After minification 239.0 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, Buchzentrum needs image optimization as it can save up to 32.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization


Potential reduce by 382.1 kB

  • Original 532.2 kB
  • After minification 532.2 kB
  • After compression 150.0 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 382.1 kB or 72% of the original size.

CSS Optimization


Potential reduce by 77.6 kB

  • Original 154.3 kB
  • After minification 154.3 kB
  • After compression 76.7 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. needs all CSS files to be minified and compressed as it can save up to 77.6 kB or 50% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now


After Optimization


The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buchzentrum. According to our analytics all requests are already optimized.

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that 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 data is detected on the main page of Buchzentrum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: