Tools & Wizards About Us
hannover.de screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

hannover.de

HANNOVER.DE - Portal der Landeshauptstadt und der Region Hannover

Page Load Speed

6.8 sec in total

First Response

309 ms

Resources Loaded

4 sec

Page Rendered

2.5 sec

hannover.de screenshot

About Website

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

Offizielles Portal für Bürger, Tourismus und Wirtschaft mit Informationen zu Leben, Arbeiten, Einkaufen, Kultur, Veranstaltungen und Wissenschaft

Visit hannover.de

Key Findings

We analyzed Hannover.de page load time and found that the first response time was 309 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

hannover.de performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value10.5 s

8/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.304

39/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

hannover.de

309 ms

hannover.de

456 ms

www.hannover.de

662 ms

bundle.4492438d.css

514 ms

1.x.x.js

24 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 86% of them (90 requests) were addressed to the original Hannover.de, 10% (11 requests) were made to Cmp-sp.hannover.de and 2% (2 requests) were made to Matomo.hannover.de. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Hannover.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 330.1 kB (10%)

Content Size

3.5 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hannover.de main page is 3.5 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. 70% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 145.5 kB

  • Original 161.3 kB
  • After minification 96.3 kB
  • After compression 15.8 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 65.0 kB, which is 40% 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 145.5 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 114 B

  • Original 2.3 MB
  • After minification 2.3 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. Hannover images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 147.3 kB

  • Original 833.7 kB
  • After minification 833.7 kB
  • After compression 686.3 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 147.3 kB or 18% of the original size.

CSS Optimization

-27%

Potential reduce by 37.2 kB

  • Original 136.3 kB
  • After minification 136.3 kB
  • After compression 99.0 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. Hannover.de needs all CSS files to be minified and compressed as it can save up to 37.2 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (26%)

Requests Now

97

After Optimization

72

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hannover. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

hannover.de

hannover.de

309 ms

hannover.de

hannover.de

456 ms

www.hannover.de

www.hannover.de

662 ms

bundle.4492438d.css

bundle.4492438d.css

514 ms

1.x.x.js

1.x.x.js

24 ms

wrapperMessagingWithoutDetection.js

wrapperMessagingWithoutDetection.js

19 ms

runtime.8455647f.js

runtime.8455647f.js

212 ms

0.ca8c3073.js

0.ca8c3073.js

318 ms

2.a7ec566b.js

2.a7ec566b.js

698 ms

bundle.707b4cdf.js

bundle.707b4cdf.js

1201 ms

xrow-tracking.5b92f209.js

xrow-tracking.5b92f209.js

318 ms

1.58ab79ee.js

1.58ab79ee.js

681 ms

xrow-rating.a5edb58c.js

xrow-rating.a5edb58c.js

679 ms

4.32e9076b.js

4.32e9076b.js

680 ms

xrow-cmp.6ba0df7c.js

xrow-cmp.6ba0df7c.js

682 ms

site-tracker.69501a8f.js

site-tracker.69501a8f.js

682 ms

get_site_data

get_site_data

165 ms

ger-DE.png

ger-DE.png

216 ms

eng-GB.png

eng-GB.png

219 ms

chi-CN.png

chi-CN.png

219 ms

dan-DK.png

dan-DK.png

217 ms

est-EE.png

est-EE.png

218 ms

esl-ES.png

esl-ES.png

324 ms

fin-FI.png

fin-FI.png

326 ms

fre-FR.png

fre-FR.png

326 ms

ita-IT.png

ita-IT.png

328 ms

jpn-JP.png

jpn-JP.png

327 ms

kor-KR.png

kor-KR.png

424 ms

dut-NL.png

dut-NL.png

424 ms

nor-NO.png

nor-NO.png

425 ms

pol-PL.png

pol-PL.png

428 ms

por-PT.png

por-PT.png

426 ms

rus-RU.png

rus-RU.png

529 ms

swe-SE.png

swe-SE.png

530 ms

tur-TR.png

tur-TR.png

529 ms

logo-menu-black.svg

logo-menu-black.svg

530 ms

c9258246764e-Maschsee-Hero.jpg

c9258246764e-Maschsee-Hero.jpg

871 ms

hannover.svg

hannover.svg

865 ms

05d39aedc438-Deister-Reh.jpg

05d39aedc438-Deister-Reh.jpg

1056 ms

96%20Teaser.jpg

96%20Teaser.jpg

872 ms

8582c698b48d-Illumination-c-Julian-David.jpg

8582c698b48d-Illumination-c-Julian-David.jpg

868 ms

39ba35c05c39-Lenny-Steinhauer_Castle-in-the-clouds-4x3.jpg

39ba35c05c39-Lenny-Steinhauer_Castle-in-the-clouds-4x3.jpg

870 ms

European-flag.jpg

European-flag.jpg

872 ms

Mahnmal-KZ-St%C3%B6cken.jpg

Mahnmal-KZ-St%C3%B6cken.jpg

877 ms

visdp-lhh.svg

visdp-lhh.svg

873 ms

3070dedb012f-Eurowings_Basis_Leute.jpg

3070dedb012f-Eurowings_Basis_Leute.jpg

774 ms

Leibniz-Universitaet.jpg

Leibniz-Universitaet.jpg

850 ms

preload-spinner.gif

preload-spinner.gif

773 ms

Luftbild-Hannover-Innenstadt.jpg

Luftbild-Hannover-Innenstadt.jpg

834 ms

Europafahnen%20vor%20dem%20Neuen%20Rathaus_copyright%20LHH%20(1).jpg

Europafahnen%20vor%20dem%20Neuen%20Rathaus_copyright%20LHH%20(1).jpg

849 ms

Noto-Sans-Display-Regular.ce2d4e84.woff

Noto-Sans-Display-Regular.ce2d4e84.woff

1172 ms

latest-version

latest-version

385 ms

webfonticons.b8e37efe54ba14f15ad31f83fc0d183f.woff

webfonticons.b8e37efe54ba14f15ad31f83fc0d183f.woff

830 ms

Noto-Sans-Display-SemiBold.a29b5e03.woff

Noto-Sans-Display-SemiBold.a29b5e03.woff

933 ms

Noto-Sans-Display-Light-Italic.beee49ee.woff

Noto-Sans-Display-Light-Italic.beee49ee.woff

1038 ms

Noto-Sans-Display-Italic.2ddd3e9c.woff

Noto-Sans-Display-Italic.2ddd3e9c.woff

947 ms

Basteln-Rassell%C3%B6ffel.jpg

Basteln-Rassell%C3%B6ffel.jpg

947 ms

visdp-region.svg

visdp-region.svg

948 ms

Baustellenschild.jpg

Baustellenschild.jpg

956 ms

abflug_abendsonne_4_3.jpg

abflug_abendsonne_4_3.jpg

957 ms

Disney-in-Concert.jpg

Disney-in-Concert.jpg

957 ms

Bosse-Sunnyside-Tour-2022-c-Chris-Heidrich-scaled.jpg

Bosse-Sunnyside-Tour-2022-c-Chris-Heidrich-scaled.jpg

957 ms

pro13_by_crowdeventgmbh.jpg

pro13_by_crowdeventgmbh.jpg

1033 ms

Maschsee-Stadtleben.jpg

Maschsee-Stadtleben.jpg

943 ms

The-Old-Town.jpg

The-Old-Town.jpg

950 ms

Sea-Life.jpg

Sea-Life.jpg

1049 ms

Experience-polar-bears-under-water.jpg

Experience-polar-bears-under-water.jpg

949 ms

Great-Garden.jpg

Great-Garden.jpg

1060 ms

latest-version

latest-version

377 ms

Gro%E2%96%80er%20Garten%20-%20Lars%20Gerhardts%20(26)_neu_4_3.jpg

Gro%E2%96%80er%20Garten%20-%20Lars%20Gerhardts%20(26)_neu_4_3.jpg

937 ms

77dfa37896aa-CW_20160818_4313_fe-.jpg

77dfa37896aa-CW_20160818_4313_fe-.jpg

1050 ms

VW%20Seeb%C3%BChne_Mirko%20Bartels1_Rechte%20erworben_ret_4_3.jpg

VW%20Seeb%C3%BChne_Mirko%20Bartels1_Rechte%20erworben_ret_4_3.jpg

946 ms

Reittour-Wedemark.jpg

Reittour-Wedemark.jpg

947 ms

matomo.js

matomo.js

683 ms

82

82

1090 ms

Neues-Rathaus-vom-Leineschloss.jpg

Neues-Rathaus-vom-Leineschloss.jpg

704 ms

0-Euro-Schein.jpg

0-Euro-Schein.jpg

709 ms

Zoom-Nanas.jpg

Zoom-Nanas.jpg

717 ms

Bahnhof%20im%20Fr%C3%BChling%20-%20Lars%20Gerhardts%20(7).jpg

Bahnhof%20im%20Fr%C3%BChling%20-%20Lars%20Gerhardts%20(7).jpg

715 ms

Kirschbl%C3%BCte-im-Berggarten.jpg

Kirschbl%C3%BCte-im-Berggarten.jpg

721 ms

Bulli.jpg

Bulli.jpg

802 ms

Symbolbild-JOB.jpg

Symbolbild-JOB.jpg

808 ms

Aktenordner.jpg

Aktenordner.jpg

808 ms

Stadtbahnline-1.jpg

Stadtbahnline-1.jpg

815 ms

Karte.jpg

Karte.jpg

814 ms

new-user

new-user

11 ms

new-user

new-user

170 ms

Hannover-f%C3%BCr-Kinder.jpg

Hannover-f%C3%BCr-Kinder.jpg

829 ms

Kind-am-Kletterberg.jpg

Kind-am-Kletterberg.jpg

835 ms

H%C3%B6rsaal.jpg

H%C3%B6rsaal.jpg

834 ms

Familie.jpg

Familie.jpg

780 ms

b49945cdf524-__Prio_Veranstaltung_Anschnitt_Personen_-_21_129_1306__Ines_Schiermann.jpeg

b49945cdf524-__Prio_Veranstaltung_Anschnitt_Personen_-_21_129_1306__Ines_Schiermann.jpeg

735 ms

pv-data

pv-data

457 ms

index.html

index.html

6 ms

polyfills.b0798.js

polyfills.b0798.js

5 ms

Notice.0575a.js

Notice.0575a.js

10 ms

Notice.c6498.css

Notice.c6498.css

10 ms

services-bg.ba86cc34.svg

services-bg.ba86cc34.svg

725 ms

H%C3%B6rregion-klickbares-Logo.jpg

H%C3%B6rregion-klickbares-Logo.jpg

730 ms

UNESCO-City-of-Music-Auszeichnungslogo.jpg

UNESCO-City-of-Music-Auszeichnungslogo.jpg

741 ms

Logo-Herrenhausen-4x3.jpg

Logo-Herrenhausen-4x3.jpg

689 ms

Behoerdenfuehrer-Kioskspalte.jpg

Behoerdenfuehrer-Kioskspalte.jpg

631 ms

hannover-black.svg

hannover-black.svg

715 ms

pv-data

pv-data

396 ms

matomo.php

matomo.php

241 ms

Accessibility Review

hannover.de accessibility score

92

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

hannover.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

hannover.de SEO score

92

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 Hannover.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 Hannover.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

hannover.de

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