Tools & Wizards About Us
duesseldorf-altstadt.de screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

duesseldorf-altstadt.de

Startseite :: www.altstadt-duesseldorf.de

Page Load Speed

5.6 sec in total

First Response

406 ms

Resources Loaded

4.6 sec

Page Rendered

621 ms

duesseldorf-altstadt.de screenshot

About Website

Welcome to duesseldorf-altstadt.de homepage info - get ready to check Duesseldorf Altstadt best content for Germany right away, or after learning these important things about duesseldorf-altstadt.de

Altstadt Marketing und Altstadt Gemeinschaft Düsseldorf - Neues und Infos rund um Ausgehen, Shopping, Kneipen, Restaurants und Veranstaltungen in der Düsseldorfer Altstadt. Die Altstadt - unser bestes...

Visit duesseldorf-altstadt.de

Key Findings

We analyzed Duesseldorf-altstadt.de page load time and found that the first response time was 406 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

duesseldorf-altstadt.de performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.518

15/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

duesseldorf-altstadt.de

406 ms

733 ms

tiny.css

95 ms

screen.css

190 ms

lightbox.css

273 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 87% of them (52 requests) were addressed to the original Duesseldorf-altstadt.de, 7% (4 requests) were made to Static.donnerwetter.de and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Duesseldorf-altstadt.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 767.7 kB (4%)

Content Size

21.1 MB

After Optimization

20.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duesseldorf-altstadt.de main page is 21.1 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. 45% of websites need less resources to load. Images take 21.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 59.3 kB

  • Original 70.6 kB
  • After minification 66.3 kB
  • After compression 11.4 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 59.3 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 701.7 kB

  • Original 21.0 MB
  • After minification 20.3 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. Duesseldorf Altstadt images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 6.0 kB

  • Original 19.8 kB
  • After minification 19.4 kB
  • After compression 13.8 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 6.0 kB or 30% of the original size.

CSS Optimization

-8%

Potential reduce by 728 B

  • Original 9.4 kB
  • After minification 9.4 kB
  • After compression 8.7 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. Duesseldorf-altstadt.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (26%)

Requests Now

58

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duesseldorf Altstadt. 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 from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duesseldorf-altstadt.de

duesseldorf-altstadt.de

406 ms

733 ms

tiny.css

tiny.css

95 ms

screen.css

screen.css

190 ms

lightbox.css

lightbox.css

273 ms

prototype.php

prototype.php

636 ms

scriptaculous.js

scriptaculous.js

279 ms

lightbox.js

lightbox.js

286 ms

customFunctions.js

customFunctions.js

286 ms

js,calendar.html

js,calendar.html

291 ms

instafeed.min.js

instafeed.min.js

364 ms

boxregio.mv

boxregio.mv

531 ms

fonts.css

fonts.css

277 ms

effects.js

effects.js

97 ms

builder.js

builder.js

100 ms

logo.png

logo.png

95 ms

more_black.png

more_black.png

96 ms

Fachkraft-magnet.jpg

Fachkraft-magnet.jpg

370 ms

VD-3c-P.png

VD-3c-P.png

283 ms

Altbier-United_Paket.jpg

Altbier-United_Paket.jpg

633 ms

tickets_fuehrungen.png

tickets_fuehrungen.png

2026 ms

.tn_220x220_logo_schwarz.png

.tn_220x220_logo_schwarz.png

190 ms

sdk.js

sdk.js

24 ms

background-2.jpg

background-2.jpg

1226 ms

background-1.jpg

background-1.jpg

845 ms

background-4.jpg

background-4.jpg

1318 ms

background-3.jpg

background-3.jpg

998 ms

background-5.jpg

background-5.jpg

727 ms

background.jpg

background.jpg

910 ms

background-6.jpg

background-6.jpg

1036 ms

.tn_400x400_Buechermeile_2022.jpeg

.tn_400x400_Buechermeile_2022.jpeg

980 ms

auge_black.png

auge_black.png

1067 ms

datum_black.png

datum_black.png

1069 ms

.tn_400x400_japantag2020.png

.tn_400x400_japantag2020.png

1111 ms

.tn_400x400_UEFA-EURO2024_Duesseldorf.png

.tn_400x400_UEFA-EURO2024_Duesseldorf.png

1157 ms

brauereien_kneipen.png

brauereien_kneipen.png

1159 ms

restaurants.png

restaurants.png

1205 ms

bistros_cafes.png

bistros_cafes.png

1247 ms

bars.png

bars.png

1249 ms

clubs_lounges.png

clubs_lounges.png

1295 ms

imbiss.png

imbiss.png

1298 ms

sdk.js

sdk.js

13 ms

parken.png

parken.png

1325 ms

bus_bahn.png

bus_bahn.png

1326 ms

links.png

links.png

1376 ms

stadtplan.png

stadtplan.png

1377 ms

fuehrungen.png

fuehrungen.png

1378 ms

hotels.png

hotels.png

1413 ms

ddorf_tourismus_icon.svg

ddorf_tourismus_icon.svg

1416 ms

search.png

search.png

1470 ms

logo115t.png

logo115t.png

435 ms

wetsymkl_3.gif

wetsymkl_3.gif

435 ms

wetsymkl_1.gif

wetsymkl_1.gif

449 ms

wetsymkl_10.gif

wetsymkl_10.gif

450 ms

107 ms

loading.gif

loading.gif

1427 ms

closelabel.gif

closelabel.gif

1429 ms

screen-print.css

screen-print.css

95 ms

mobile.css

mobile.css

96 ms

tablet.css

tablet.css

95 ms

Accessibility Review

duesseldorf-altstadt.de accessibility score

67

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

duesseldorf-altstadt.de best practices score

67

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

SEO Factors

duesseldorf-altstadt.de SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duesseldorf-altstadt.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Duesseldorf-altstadt.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

duesseldorf-altstadt.de

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