Tools & Wizards About Us
zentrum-augenheilkunde.de screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 78

    SEO

    Google-friendlier than
    40% of websites

zentrum-augenheilkunde.de

Augenarzt Düsseldorf - Prof. Dr. med. Thomas Laube Facharzt für Augenheilkunde im Zentrum Düsseldorf's

Page Load Speed

5.6 sec in total

First Response

310 ms

Resources Loaded

3.4 sec

Page Rendered

1.9 sec

zentrum-augenheilkunde.de screenshot

About Website

Visit zentrum-augenheilkunde.de now to see the best up-to-date Zentrum Augenheilkunde content and also check out these interesting facts you probably never knew about zentrum-augenheilkunde.de

Sie erreichen die Augenarztpraxis im Zentrum Düsseldorf's schnell aus Ratingen, Erkrath, Mettmann, Hilden, Meerbusch, Haan, Solingen, Langenfeld, Essen...

Visit zentrum-augenheilkunde.de

Key Findings

We analyzed Zentrum-augenheilkunde.de page load time and found that the first response time was 310 ms and then it took 5.3 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

zentrum-augenheilkunde.de performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

zentrum-augenheilkunde.de

310 ms

www.zentrum-augenheilkunde.de

783 ms

a9f65d6cbe.css

119 ms

dark-bottom.css

243 ms

style.min.css

466 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 93% of them (42 requests) were addressed to the original Zentrum-augenheilkunde.de, 7% (3 requests) were made to Cdn1.jameda-elements.de. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Zentrum-augenheilkunde.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 201.9 kB (10%)

Content Size

2.0 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zentrum-augenheilkunde.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. 50% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 129.8 kB

  • Original 140.2 kB
  • After minification 62.7 kB
  • After compression 10.4 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. This page needs HTML code to be minified as it can gain 77.5 kB, which is 55% 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 129.8 kB or 93% of the original size.

Image Optimization

-4%

Potential reduce by 71.8 kB

  • Original 1.8 MB
  • After minification 1.8 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. Zentrum Augenheilkunde images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 315 B

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 2.1 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 315 B or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (25%)

Requests Now

40

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zentrum Augenheilkunde. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zentrum-augenheilkunde.de

zentrum-augenheilkunde.de

310 ms

www.zentrum-augenheilkunde.de

www.zentrum-augenheilkunde.de

783 ms

a9f65d6cbe.css

a9f65d6cbe.css

119 ms

dark-bottom.css

dark-bottom.css

243 ms

style.min.css

style.min.css

466 ms

QapTcha.jquery.css

QapTcha.jquery.css

312 ms

8897c97899.css

8897c97899.css

315 ms

673 ms

670 ms

cookieconsent.js

cookieconsent.js

301 ms

script.min.js

script.min.js

671 ms

jquery-migrate.min.js

jquery-migrate.min.js

336 ms

jquery-ui.js

jquery-ui.js

423 ms

jquery-ui.touch.js

jquery-ui.touch.js

671 ms

QapTcha.jquery.min.js

QapTcha.jquery.min.js

422 ms

Banner_FDP2018neu.jpg

Banner_FDP2018neu.jpg

669 ms

wifi_icon_neu.jpg

wifi_icon_neu.jpg

671 ms

csm_FCG_TOP_Mediziner_Laube_2022_Lidkorrektur_43b2e2621b.png

csm_FCG_TOP_Mediziner_Laube_2022_Lidkorrektur_43b2e2621b.png

832 ms

csm_2022_Plakette_TOP-Mediziner_e7ed91522a.png

csm_2022_Plakette_TOP-Mediziner_e7ed91522a.png

805 ms

auge-solo_prof_esser.jpg

auge-solo_prof_esser.jpg

803 ms

csm_ProfLaube-Gruppe_2_2022%402x_d9dfb7f6a2.jpg

csm_ProfLaube-Gruppe_2_2022%402x_d9dfb7f6a2.jpg

806 ms

RGB_20_12_09_PPA_JURY_SONDERPREISE_2020_2021_Siegel_klein.png

RGB_20_12_09_PPA_JURY_SONDERPREISE_2020_2021_Siegel_klein.png

943 ms

Laube_Ambassador.jpg

Laube_Ambassador.jpg

1275 ms

csm_20210910_01_1640x720fb-header_bestanden2022_001b-5sterne_716bdbff9d.png

csm_20210910_01_1640x720fb-header_bestanden2022_001b-5sterne_716bdbff9d.png

968 ms

q-plus-zert-siegel.png

q-plus-zert-siegel.png

941 ms

BDOC_Guetesiegel.gif

BDOC_Guetesiegel.gif

943 ms

csm_link_zu_jameda_ddda34ef81.gif

csm_link_zu_jameda_ddda34ef81.gif

944 ms

Praxis_Laube_Impfung_560x650.jpg

Praxis_Laube_Impfung_560x650.jpg

973 ms

Startseite_Catalys_2017_325px.jpg

Startseite_Catalys_2017_325px.jpg

1024 ms

csm_2022_Augenarzt_Du__sseldorf_Laube_7c7c73ea63.png

csm_2022_Augenarzt_Du__sseldorf_Laube_7c7c73ea63.png

1110 ms

csm_2022_Plakette_Empfehlungsarzt_ec4762cf23.png

csm_2022_Plakette_Empfehlungsarzt_ec4762cf23.png

1165 ms

P1.gif

P1.gif

1064 ms

logo_bgr.png

logo_bgr.png

549 ms

Claim_SieundIhreAugen.svg

Claim_SieundIhreAugen.svg

612 ms

Schriftzug_DrLaube_2019.svg

Schriftzug_DrLaube_2019.svg

646 ms

Slider1.jpg

Slider1.jpg

678 ms

Slider2.jpg

Slider2.jpg

709 ms

Slider3.jpg

Slider3.jpg

764 ms

Slider_5.png

Slider_5.png

1669 ms

search_btn.png

search_btn.png

758 ms

top10-top20-bg.png

top10-top20-bg.png

123 ms

drlaube.woff

drlaube.woff

661 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

737 ms

bx_loader.gif

bx_loader.gif

469 ms

controls.png

controls.png

469 ms

Accessibility Review

zentrum-augenheilkunde.de accessibility score

76

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.

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.

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

Links do not have a discernible name

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

zentrum-augenheilkunde.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zentrum-augenheilkunde.de SEO score

78

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    N/A

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zentrum-augenheilkunde.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Zentrum-augenheilkunde.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

zentrum-augenheilkunde.de

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