Tools & Wizards About Us
zentrum-augenheilkunde.de screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    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 sec in total

First Response

287 ms

Resources Loaded

4.5 sec

Page Rendered

270 ms

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 287 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

zentrum-augenheilkunde.de performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

zentrum-augenheilkunde.de

287 ms

zentrum-augenheilkunde.de

433 ms

www.zentrum-augenheilkunde.de

986 ms

a9f65d6cbef68d1b8fa72ee9e15c9867.css

14 ms

style.min.css

649 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 86% of them (36 requests) were addressed to the original Zentrum-augenheilkunde.de, 5% (2 requests) were made to Cdn1.jameda-elements.de and 5% (2 requests) were made to Platform.docplanner.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zentrum-augenheilkunde.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.2 kB (9%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zentrum-augenheilkunde.de main page is 1.4 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 116.2 kB

  • Original 125.6 kB
  • After minification 53.2 kB
  • After compression 9.4 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 72.4 kB, which is 58% 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 116.2 kB or 93% of the original size.

Image Optimization

-0%

Potential reduce by 4.6 kB

  • Original 1.1 MB
  • After minification 1.1 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

-1%

Potential reduce by 1.4 kB

  • Original 212.9 kB
  • After minification 212.9 kB
  • After compression 211.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 11 (30%)

Requests Now

37

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 37 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 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zentrum-augenheilkunde.de

zentrum-augenheilkunde.de

287 ms

zentrum-augenheilkunde.de

zentrum-augenheilkunde.de

433 ms

www.zentrum-augenheilkunde.de

www.zentrum-augenheilkunde.de

986 ms

a9f65d6cbef68d1b8fa72ee9e15c9867.css

a9f65d6cbef68d1b8fa72ee9e15c9867.css

14 ms

style.min.css

style.min.css

649 ms

QapTcha.jquery.css

QapTcha.jquery.css

433 ms

8897c9789941ddb20521ef4a1387cabb.css

8897c9789941ddb20521ef4a1387cabb.css

500 ms

b5d139c0a0fb2c0fcec136c81f8a2c5e.js

b5d139c0a0fb2c0fcec136c81f8a2c5e.js

436 ms

49 ms

api.js

api.js

29 ms

script.min.js

script.min.js

697 ms

jquery-migrate.min.js

jquery-migrate.min.js

414 ms

jquery-ui.js

jquery-ui.js

851 ms

QapTcha.jquery.min.js

QapTcha.jquery.min.js

442 ms

cs_seo.ga.js

cs_seo.ga.js

887 ms

top10-new.gif

top10-new.gif

93 ms

logo_bgr.png

logo_bgr.png

443 ms

Claim_SieundIhreAugen.svg

Claim_SieundIhreAugen.svg

431 ms

Schriftzug_DrLaube_2024.svg

Schriftzug_DrLaube_2024.svg

461 ms

Slider1.jpg

Slider1.jpg

614 ms

Slider2.jpg

Slider2.jpg

769 ms

Slider3.jpg

Slider3.jpg

779 ms

Slider_5.png

Slider_5.png

1322 ms

Banner_FDP2018neu.jpg

Banner_FDP2018neu.jpg

1043 ms

wifi_icon_neu.jpg

wifi_icon_neu.jpg

988 ms

csm_ProfLaube-Gruppe_Mai_2024%402x_e0c49935c6.jpg

csm_ProfLaube-Gruppe_Mai_2024%402x_e0c49935c6.jpg

1189 ms

csm_dr_elling_portrait_welcome_web_75a98175b7.jpg

csm_dr_elling_portrait_welcome_web_75a98175b7.jpg

1249 ms

q-plus-zert-siegel.png

q-plus-zert-siegel.png

1203 ms

BDOC_Guetesiegel.gif

BDOC_Guetesiegel.gif

1416 ms

csm_fb-header_bestanden2024_89cfd2ddcf.jpg

csm_fb-header_bestanden2024_89cfd2ddcf.jpg

1615 ms

csm_link_zu_jameda_ddda34ef81.gif

csm_link_zu_jameda_ddda34ef81.gif

1601 ms

Startseite_Catalys_2017_325px.jpg

Startseite_Catalys_2017_325px.jpg

1221 ms

csm_2024_prof-dr-thomas-laube_refraktive-chirurgie-und-katarakt_focus-gesundheitde_large_344ae0506d.jpg

csm_2024_prof-dr-thomas-laube_refraktive-chirurgie-und-katarakt_focus-gesundheitde_large_344ae0506d.jpg

1891 ms

P1.gif

P1.gif

1666 ms

top10-top20-bg.png

top10-top20-bg.png

65 ms

search_btn.png

search_btn.png

1704 ms

top10-top20-bg-new.png

top10-top20-bg-new.png

63 ms

drlaube.woff

drlaube.woff

1410 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1422 ms

recaptcha__en.js

recaptcha__en.js

64 ms

bx_loader.gif

bx_loader.gif

1604 ms

controls.png

controls.png

1849 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

83

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

SEO Factors

zentrum-augenheilkunde.de SEO score

79

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

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: