Tools & Wizards About Us
bwb.de screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

bwb.de

Ihr Wasserversorger und Abwasserentsorger in Berlin - Berliner Wasserbetriebe

Page Load Speed

5.2 sec in total

First Response

433 ms

Resources Loaded

4.2 sec

Page Rendered

653 ms

bwb.de screenshot

About Website

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

Wissenswertes rund um das Berliner Wasser, zur Wasserqualität, zu Inhaltsstoffen und zur Installation eines Trinkwasseranschlusses.

Visit bwb.de

Key Findings

We analyzed Bwb.de page load time and found that the first response time was 433 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bwb.de performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.441

21/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

bwb.de

433 ms

index.php

268 ms

uc.js

62 ms

app.css

721 ms

jquery.min.js

760 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 83% of them (24 requests) were addressed to the original Bwb.de, 3% (1 request) were made to Consent.cookiebot.com and 3% (1 request) were made to Static.etracker.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Bwb.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 313.9 kB (15%)

Content Size

2.0 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bwb.de main page is 2.0 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. 20% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 95.1 kB

  • Original 106.4 kB
  • After minification 60.6 kB
  • After compression 11.3 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 45.7 kB, which is 43% 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 95.1 kB or 89% of the original size.

Image Optimization

-7%

Potential reduce by 106.2 kB

  • Original 1.5 MB
  • After minification 1.4 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. Bwb images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 112.4 kB

  • Original 311.8 kB
  • After minification 311.8 kB
  • After compression 199.4 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 112.4 kB or 36% of the original size.

CSS Optimization

-0%

Potential reduce by 236 B

  • Original 132.9 kB
  • After minification 132.9 kB
  • After compression 132.7 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. Bwb.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (38%)

Requests Now

24

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bwb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bwb.de

bwb.de

433 ms

index.php

index.php

268 ms

uc.js

uc.js

62 ms

app.css

app.css

721 ms

jquery.min.js

jquery.min.js

760 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

835 ms

opentip-jquery.min.js

opentip-jquery.min.js

533 ms

e.js

e.js

554 ms

app.js

app.js

1154 ms

iframeResizer.contentWindow.min.js

iframeResizer.contentWindow.min.js

1425 ms

lang_de.svg

lang_de.svg

122 ms

lang_en.svg

lang_en.svg

121 ms

lang_tr.svg

lang_tr.svg

118 ms

lang_ar.svg

lang_ar.svg

120 ms

lang_ru.svg

lang_ru.svg

232 ms

lang_pl.svg

lang_pl.svg

231 ms

bwb-logo-farbig.svg

bwb-logo-farbig.svg

232 ms

2024-02-06_Kundenbeirat_1600x800px.jpg

2024-02-06_Kundenbeirat_1600x800px.jpg

1000 ms

blick-auf-die-spandauer-kuhlake.jpg

blick-auf-die-spandauer-kuhlake.jpg

694 ms

0003-2024-03-26_BV_Kronprinzessinenweg_1.jpg

0003-2024-03-26_BV_Kronprinzessinenweg_1.jpg

952 ms

trinkflasche-am-trinkbrunnen-befuellen.jpg

trinkflasche-am-trinkbrunnen-befuellen.jpg

565 ms

Public.jpg

Public.jpg

869 ms

wasserkarte-teaserbild.jpg

wasserkarte-teaserbild.jpg

902 ms

TheSans_LT_500_.woff

TheSans_LT_500_.woff

1109 ms

TheSans_LT_700_.woff

TheSans_LT_700_.woff

774 ms

bwbwebsite.ttf

bwbwebsite.ttf

901 ms

t.js

t.js

432 ms

WatsonAssistantChatEntry.js

WatsonAssistantChatEntry.js

29 ms

cntcc

cntcc

430 ms

Accessibility Review

bwb.de accessibility score

98

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.

Best Practices

bwb.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

High

Missing source maps for large first-party JavaScript

SEO Factors

bwb.de SEO score

97

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 Bwb.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 Bwb.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

bwb.de

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