Analyze Weserburg

Die Weserburg Museum für moderne Kunst ist Bremens Haus für internationale Kunst der Gegenwart. Wechselnde Einzel- und thematische Gruppenausstellungen sowie eine langfristig angelegte Sammlungspräsen...

Page load speed analysis

  • 57/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    846 ms

  • Resources loaded

    2.5 sec

  • Page rendered

    453 ms

  • Total page load time

    3.8 sec

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

We analyzed page load time and found that the first response time was 846 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Page optimization

  • HTML 28.1 kB
    Images 573.2 kB
    Javascripts 116.6 kB
    CSS 56.5 kB

    In fact, the total size of main page is 774.3 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. 25% of websites need less resources to load. Images take 573.2 kB which makes up the majority of the site volume.

    • Original 28.1 kB
    • After minification 23.4 kB
    • After compression 7.4 kB

    HTML optimization

    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 4.7 kB, which is 17% 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 20.7 kB or 74% of the original size.

    • Original 573.2 kB
    • After optimization 531.3 kB

    Image optimization

    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. Weserburg images are well optimized though.

    • Original 116.6 kB
    • After minification 85.1 kB
    • After compression 22.2 kB

    JavaScript optimization

    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 94.4 kB or 81% of the original size.

    • Original 56.5 kB
    • After minification 42.3 kB
    • After compression 9.1 kB

    CSS optimization

    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 47.4 kB or 84% of the original size.

Network requests diagram

  • stylesheet_e3691f31ab.css
  • javascript_0b12553063.js
  • lightbox.css
  • prototype.js
  • scriptaculous.js
  • lightbox.js
  • sIFR-screen.css
  • main.css
  • tx_css.css
  • sifr.js
  • sifr-addons.js
  • effects.js
  • body_BG_2.gif
  • logo_head.gif
  • meta_sprache.gif
  • meta_sitemap.gif
  • meta_kontakt.gif
  • meta_impressum.gif
  • meta_datenschutz.gif
  • leer.gif
  • nav77_programm.gif
  • nav78_museum.gif
  • nav79_besuch.gif
  • nav442_vermittlung.gif
  • nav81_studienzentrum.gif
  • nav82_shop.gif
  • nav259_museumsfreunde.gif
  • nav84_presse.gif
  • Dieter_Roth_Bar_No_1.jpg
  • left_ausstellung.gif
  • 860c6ed4d3.jpg
  • d18b1c7dd7.jpg
  • 459e4720fd.jpg
  • 6c89695dde.jpg
  • 8ab0418430.jpg
  • 40509a8249.jpg
  • 48f49b9dde.jpg
  • facebook_button_kl_10.jpg
  • icon_send.png
  • icon_print.png
  • sIFR-print.css
  • print.css
  • loading.gif
  • closelabel.gif

Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to and no external sources were called. The less responsive or slowest element that took the longest time to load (846 ms) belongs to the original domain

Additional info on


The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Weserburg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.









Possible request optimization











Normal result

IP address uses IP address which is currently shared with 1 other domain. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 86400
NS 300
NS 300

300 Mname:
Serial: 2020072916
Refresh: 16384
Retry: 2048
Expire: 1048576
Minimum-ttl: 2560
MX 86400 Pri: 50

Language and encoding

Normal result


DE de language flag


EN en language flag





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. 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 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.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 51.1% of all visits is Germany. It’s good for that their server is also located in Germany, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

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

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