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redner.cc screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

redner.cc

Redner buchen | Rednervermittlung Redner Corporate Club

Page Load Speed

4.1 sec in total

First Response

326 ms

Resources Loaded

3.5 sec

Page Rendered

354 ms

redner.cc screenshot

About Website

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

Sie suchen Redner, Referenten, Gastredner oder Moderatoren für eine besonders gelungene Veranstaltung? Ihre Rednervermittlung Redner.cc Corporate Club

Visit redner.cc

Key Findings

We analyzed Redner.cc page load time and found that the first response time was 326 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

redner.cc performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.228

55/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

redner.cc

326 ms

www.redner.cc

762 ms

template.css

270 ms

rednertools.js

318 ms

caption.js

224 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 86% of them (81 requests) were addressed to the original Redner.cc, 9% (8 requests) were made to Apis.google.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (869 ms) belongs to the original domain Redner.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 258.1 kB (41%)

Content Size

633.6 kB

After Optimization

375.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Redner.cc main page is 633.6 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. 35% of websites need less resources to load. Images take 304.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 43.0 kB

  • Original 54.4 kB
  • After minification 46.4 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. This page needs HTML code to be minified as it can gain 8.0 kB, which is 15% 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 43.0 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 20.0 kB

  • Original 304.3 kB
  • After minification 284.3 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. Redner images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 97.1 kB

  • Original 160.3 kB
  • After minification 156.0 kB
  • After compression 63.2 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 97.1 kB or 61% of the original size.

CSS Optimization

-86%

Potential reduce by 98.0 kB

  • Original 114.5 kB
  • After minification 103.1 kB
  • After compression 16.5 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. Redner.cc needs all CSS files to be minified and compressed as it can save up to 98.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (25%)

Requests Now

91

After Optimization

68

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Redner. 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 as a result speed up the page load time.

Network Requests Diagram

redner.cc

redner.cc

326 ms

www.redner.cc

www.redner.cc

762 ms

template.css

template.css

270 ms

rednertools.js

rednertools.js

318 ms

caption.js

caption.js

224 ms

redner.js

redner.js

329 ms

ga.js

ga.js

27 ms

page-bg.png

page-bg.png

120 ms

body-l.png

body-l.png

113 ms

body-r.png

body-r.png

122 ms

topbar-bg.png

topbar-bg.png

121 ms

Redner-getSpeaker-App.png

Redner-getSpeaker-App.png

120 ms

Twitter-icon.png

Twitter-icon.png

230 ms

lock2.png

lock2.png

229 ms

header-bg.png

header-bg.png

240 ms

logo.png

logo.png

245 ms

search-bg.png

search-bg.png

245 ms

Lutz-Langhoff-Redner-Leadership_thumb.jpg

Lutz-Langhoff-Redner-Leadership_thumb.jpg

260 ms

Dr-Jens-Wegmann-Comedy-Redner.cc_thumb.jpg

Dr-Jens-Wegmann-Comedy-Redner.cc_thumb.jpg

351 ms

Axel-Liebetrau-Redner-Innovation_thumb.jpg

Axel-Liebetrau-Redner-Innovation_thumb.jpg

369 ms

Alexander-Groth-Redner-Leadership_thumb.jpg

Alexander-Groth-Redner-Leadership_thumb.jpg

362 ms

Video-Andreas-Nemeth-Redner.cc.jpg

Video-Andreas-Nemeth-Redner.cc.jpg

367 ms

Roland-M-Loescher-Redner.cc.jpg

Roland-M-Loescher-Redner.cc.jpg

372 ms

Michael-Stoecker-Redner.cc.jpg

Michael-Stoecker-Redner.cc.jpg

385 ms

Cordula-Nussbaum-cc.k.jpg

Cordula-Nussbaum-cc.k.jpg

532 ms

bullet-7.png

bullet-7.png

506 ms

Alexander-Groth-Redner-cc.k.jpg

Alexander-Groth-Redner-cc.k.jpg

515 ms

Kurt-Georg-Scheible-Redner-cc.k.jpg

Kurt-Georg-Scheible-Redner-cc.k.jpg

520 ms

Ernst-Holzmann-Redner-Management_thumb.jpg

Ernst-Holzmann-Redner-Management_thumb.jpg

492 ms

Alexander-Groth-LeadershipJournal-2-620x330_thumb.jpg

Alexander-Groth-LeadershipJournal-2-620x330_thumb.jpg

506 ms

getSpeaker-App-Redneragentur_thumb.png

getSpeaker-App-Redneragentur_thumb.png

612 ms

RednerTV_thumb.jpg

RednerTV_thumb.jpg

627 ms

Karin-Cartal-Video-Images_thumb.jpg

Karin-Cartal-Video-Images_thumb.jpg

625 ms

getSpeaker-App-Redner.jpg

getSpeaker-App-Redner.jpg

737 ms

Redner-TV.jpg

Redner-TV.jpg

761 ms

Podiumsdiskussion-Moderatoren-Redner-buchen.jpg

Podiumsdiskussion-Moderatoren-Redner-buchen.jpg

737 ms

pixel.gif

pixel.gif

730 ms

horiz-bg.png

horiz-bg.png

734 ms

horiz-r.png

horiz-r.png

735 ms

horiz-l.png

horiz-l.png

837 ms

drop-top-3.png

drop-top-3.png

845 ms

drop-bg-3.png

drop-bg-3.png

838 ms

col-r.png

col-r.png

851 ms

__utm.gif

__utm.gif

14 ms

plusone.js

plusone.js

52 ms

feature-bg.png

feature-bg.png

869 ms

feature-readon-l.png

feature-readon-l.png

771 ms

feature-readon-m.png

feature-readon-m.png

858 ms

feature-readon-r.png

feature-readon-r.png

853 ms

newsflash-bg.png

newsflash-bg.png

861 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

7 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

22 ms

fastbutton

fastbutton

76 ms

postmessageRelay

postmessageRelay

31 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

29 ms

rpc:shindig_random.js

rpc:shindig_random.js

41 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

23 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

31 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

34 ms

newsflash-tab.png

newsflash-tab.png

759 ms

darkgrey-module-bg.png

darkgrey-module-bg.png

787 ms

darkgrey-module-h3-2.png

darkgrey-module-h3-2.png

854 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

7 ms

darkgrey-module-h3.png

darkgrey-module-h3.png

852 ms

light-module-h3-2.png

light-module-h3-2.png

856 ms

component-head-bg.png

component-head-bg.png

840 ms

rednertabs-bg.png

rednertabs-bg.png

766 ms

rmn-inset-r.png

rmn-inset-r.png

773 ms

rmn-inset-l.png

rmn-inset-l.png

839 ms

move-handle.png

move-handle.png

845 ms

rmn-expander.png

rmn-expander.png

845 ms

red-h2.png

red-h2.png

847 ms

rokmicro-list-bg.png

rokmicro-list-bg.png

741 ms

rokmicro-list-bg2.png

rokmicro-list-bg2.png

751 ms

grey-arrow.png

grey-arrow.png

808 ms

blue-h2.png

blue-h2.png

817 ms

green-h2.png

green-h2.png

816 ms

blue-module-bg.png

blue-module-bg.png

823 ms

blue-module-h3-2.png

blue-module-h3-2.png

743 ms

blue-module-h3.png

blue-module-h3.png

750 ms

blue-arrow.png

blue-arrow.png

803 ms

blue-div.png

blue-div.png

721 ms

light-module-h3.png

light-module-h3.png

719 ms

light-div.png

light-div.png

735 ms

light-arrow.png

light-arrow.png

729 ms

botbar-bg.png

botbar-bg.png

746 ms

top-button-bg.png

top-button-bg.png

781 ms

bottom-bg.png

bottom-bg.png

720 ms

footer-bg.png

footer-bg.png

725 ms

drophere.png

drophere.png

120 ms

spinner.gif

spinner.gif

114 ms

Lutz-Langhoff-Redner-Leadership.jpg

Lutz-Langhoff-Redner-Leadership.jpg

327 ms

blank.png

blank.png

121 ms

newsflash-controls.png

newsflash-controls.png

121 ms

Accessibility Review

redner.cc accessibility score

53

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

redner.cc 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

redner.cc SEO score

54

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

High

robots.txt is not valid

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

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 Redner.cc 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 Redner.cc 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

redner.cc

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