Tools & Wizards About Us
hochwasserzentralen.info screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

hochwasserzentralen.info

Hochwasser :: Aktuelle Situation und Warnungen :: LHP

Page Load Speed

3.2 sec in total

First Response

236 ms

Resources Loaded

2.8 sec

Page Rendered

203 ms

hochwasserzentralen.info screenshot

About Website

Welcome to hochwasserzentralen.info homepage info - get ready to check Hochwasser Zentralen best content right away, or after learning these important things about hochwasserzentralen.info

Aktuelle Hochwasser-Situation und -Warnungen in Deutschland und Verweise zu den Hochwasser-Zentralen in Deutschland und den Nachbarländern.

Visit hochwasserzentralen.info

Key Findings

We analyzed Hochwasserzentralen.info page load time and found that the first response time was 236 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

hochwasserzentralen.info performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

hochwasserzentralen.info

236 ms

hochwasserzentralen.info

432 ms

w3pro.css

108 ms

w3-lhp.20240115.css

213 ms

all.min.css

302 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 72% of them (38 requests) were addressed to the original Hochwasserzentralen.info, 23% (12 requests) were made to Tms.hochwasserzentralen.info and 4% (2 requests) were made to Maps.dwd.de. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Maps.dwd.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 630.0 kB (74%)

Content Size

856.9 kB

After Optimization

226.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hochwasserzentralen.info main page is 856.9 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. 40% of websites need less resources to load. HTML takes 428.4 kB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 404.2 kB

  • Original 428.4 kB
  • After minification 424.5 kB
  • After compression 24.2 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. 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 404.2 kB or 94% of the original size.

Image Optimization

-9%

Potential reduce by 9.1 kB

  • Original 102.8 kB
  • After minification 93.6 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. Hochwasser Zentralen images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 214.1 kB

  • Original 300.9 kB
  • After minification 279.3 kB
  • After compression 86.8 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 214.1 kB or 71% of the original size.

CSS Optimization

-10%

Potential reduce by 2.5 kB

  • Original 24.8 kB
  • After minification 24.8 kB
  • After compression 22.3 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. Hochwasserzentralen.info has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (36%)

Requests Now

45

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hochwasser Zentralen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hochwasserzentralen.info

hochwasserzentralen.info

236 ms

hochwasserzentralen.info

hochwasserzentralen.info

432 ms

w3pro.css

w3pro.css

108 ms

w3-lhp.20240115.css

w3-lhp.20240115.css

213 ms

all.min.css

all.min.css

302 ms

leaflet.css

leaflet.css

305 ms

leaflet.responsive.popup-064.css

leaflet.responsive.popup-064.css

301 ms

map-lhp.20240115.css

map-lhp.20240115.css

299 ms

versions.20210921.js

versions.20210921.js

300 ms

w3-lhp-end.20240518.js

w3-lhp-end.20240518.js

315 ms

leaflet.js

leaflet.js

888 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

691 ms

wicket.min.js

wicket.min.js

400 ms

wicket-leaflet.min.js

wicket-leaflet.min.js

399 ms

L.Control.Info-20191113.js

L.Control.Info-20191113.js

402 ms

leaflet.responsive.popup-064.js

leaflet.responsive.popup-064.js

419 ms

functions.20231207.js

functions.20231207.js

499 ms

basemap.20230701.js

basemap.20230701.js

500 ms

lage-basics.20230701.js

lage-basics.20230701.js

501 ms

lage-index.20230701.js

lage-index.20230701.js

522 ms

service

service

1018 ms

piwik.php

piwik.php

854 ms

logo_lhp3.png

logo_lhp3.png

106 ms

get_karte_warnungen.php

get_karte_warnungen.php

267 ms

logo_lhp3_60px.png

logo_lhp3_60px.png

103 ms

logo_dwd_smallest.png

logo_dwd_smallest.png

101 ms

bfg_icon_smallest.png

bfg_icon_smallest.png

100 ms

wms

wms

1183 ms

21.png

21.png

823 ms

stadt_e1.min.20220722.geojson

stadt_e1.min.20220722.geojson

102 ms

bundesland.20220405.geojson

bundesland.20220405.geojson

671 ms

get_lagepegel.php

get_lagepegel.php

346 ms

21.png

21.png

813 ms

20.png

20.png

812 ms

20.png

20.png

695 ms

22.png

22.png

812 ms

22.png

22.png

702 ms

21.png

21.png

894 ms

21.png

21.png

906 ms

20.png

20.png

891 ms

20.png

20.png

892 ms

22.png

22.png

992 ms

22.png

22.png

1006 ms

google-play-40.png

google-play-40.png

160 ms

app-store-40.png

app-store-40.png

163 ms

logo_lhp3_100px.png

logo_lhp3_100px.png

168 ms

fira-sans-v10-latin-regular.woff

fira-sans-v10-latin-regular.woff

259 ms

fira-sans-v10-latin-300.woff

fira-sans-v10-latin-300.woff

488 ms

fa-solid-900.woff

fa-solid-900.woff

719 ms

fa-regular-400.woff

fa-regular-400.woff

499 ms

fa-brands-400.woff

fa-brands-400.woff

579 ms

get_lagebundesland.php

get_lagebundesland.php

104 ms

get_infosbundesland.php

get_infosbundesland.php

232 ms

Accessibility Review

hochwasserzentralen.info accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

Best Practices

hochwasserzentralen.info best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

hochwasserzentralen.info SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Hochwasserzentralen.info 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 Hochwasserzentralen.info 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

hochwasserzentralen.info

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