Analyze Die Senatorin für Klimaschutz, Umwelt, Mobilität, Stadtentwicklung und Wohnungsbau - Startseite

Die Homepage der Senatorin für Klimaschutz, Umwelt, Mobilität, Stadtentwicklung und Wohnungsbau der Freien Hansestadt Bremen informiert umfassend und bietet einen guten Service für die Büerger*innen.

Page load speed analysis

  • 59/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    3.5 sec

  • Resources loaded

    5.2 sec

  • Page rendered

    290 ms

  • Total page load time

    9 sec

Click here to check amazing Bau Umwelt Bremen content for Germany. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 3.5 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Page optimization

  • HTML 73.0 kB
    Images 951.7 kB
    Javascripts 339.4 kB
    CSS 33.5 kB

    In fact, the total size of main page is 1.4 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. 40% of websites need less resources to load. Images take 951.7 kB which makes up the majority of the site volume.

    • Original 73.0 kB
    • After minification 71.4 kB
    • After compression 13.6 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. 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 59.4 kB or 81% of the original size.

    • Original 951.7 kB
    • After optimization 901.1 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. Bau Umwelt Bremen images are well optimized though.

    • Original 339.4 kB
    • After minification 332.5 kB
    • After compression 99.0 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 240.4 kB or 71% of the original size.

    • Original 33.5 kB
    • After minification 24.5 kB
    • After compression 4.5 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 29.0 kB or 87% of the original size.

Network requests diagram

  • detail.php
  • detail.php
  • jquery-ui-1.8.16.custom.css
  • modernizr-2.7.2.min.js
  • jquery-1.6.2.min.js
  • jquery-ui-1.8.16.custom.min.js
  • detail.php
  • detail.php
  • swfobject.js
  • logo_verwaltung_002.png
  • Stadtstrecke-Deichbild.png.23888.png
  • BTZ_4194_Werdersee%20und%20Kleine%20Weser%20im%20Winter.tif.23881.gif
  • EKO-Logo_png_6294.23873.png.23876.png
  • Autobahn1_Foto_Navina-Reus4.23432.jpg.23435.jpg
  • 20160226_PUU_Jahresempfang_jpg_74371.jpg.23421.jpg
  • BRIKUnbenannt.JPG.23265.JPG
  • 1_FAB2015BTAGLohse.JPG.23259.JPG
  • SUBV_CD2.23251.jpg.23254.jpg
  • SUBV_CD2.23179.jpg.23182.jpg
  • aside_leichter_lesen.png
  • aside_gebaerdensprache.png
  • Phone.png
  • Home.png
  • People.png
  • Conversation-alt.png
  • Brick.png
  • Tree.png
  • Users.png
  • Documents.png
  • Coin-euro.png
  • Brush-alt-2.png
  • cc-by-nc-nd.png
  • 66.jpg.8207.jpg
  • piwik.js
  • interface.png
  • fontello.woff
  • bg_img_Dom-Marktpkatz-Rathaus_F_h_02052012_DS.jpg.8575.jpg
  • piwik.php

Our browser made a total of 39 requests to load all elements on the main page. We found that 95% of them (37 requests) were addressed to the original, 5% (2 requests) were made to The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain

Additional info on


The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bau Umwelt Bremen. 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 as a result speed up the page load time.











Possible request optimization













Normal result

IP address uses IP address which is currently shared with 4 other domains. 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.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 300
A 300

300 Ipv6: 2001:638:70f:10::239

300 Ipv6: 2001:638:70f:10::240

Language and encoding

Normal result


DE de language flag


DE de 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 matches the claimed language. Our system also found out that main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

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 99.2% of all visits is Germany. Unfortunately, we cannot track the location of server and thus cannot define if the distance between their user base and server can potentially affect the page load time

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Bau Umwelt Bremen. 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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