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redner.cc screenshot

Report Summary

  • 91

    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

3.3 sec in total

First Response

295 ms

Resources Loaded

2.8 sec

Page Rendered

195 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 295 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

redner.cc performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

redner.cc

295 ms

www.redner.cc

818 ms

rokbox-style-ie7.css

124 ms

template.css

224 ms

rednertools.js

387 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that all of those requests were addressed to Redner.cc and no external sources were called. The less responsive or slowest element that took the longest time to load (818 ms) belongs to the original domain Redner.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.4 kB (21%)

Content Size

272.7 kB

After Optimization

216.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Redner.cc main page is 272.7 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. 25% of websites need less resources to load. Images take 151.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 41.3 kB

  • Original 51.6 kB
  • After minification 43.5 kB
  • After compression 10.3 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 16% 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 41.3 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 4.1 kB

  • Original 151.0 kB
  • After minification 146.9 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

-12%

Potential reduce by 5.8 kB

  • Original 48.3 kB
  • After minification 48.3 kB
  • After compression 42.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 5.8 kB or 12% of the original size.

CSS Optimization

-24%

Potential reduce by 5.3 kB

  • Original 21.9 kB
  • After minification 21.9 kB
  • After compression 16.6 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 5.3 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (66%)

Requests Now

79

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 79 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

redner.cc

redner.cc

295 ms

www.redner.cc

www.redner.cc

818 ms

rokbox-style-ie7.css

rokbox-style-ie7.css

124 ms

template.css

template.css

224 ms

rednertools.js

rednertools.js

387 ms

caption.js

caption.js

292 ms

redner.js

redner.js

394 ms

ie_suckerfish.js

ie_suckerfish.js

309 ms

script.js

script.js

309 ms

page-bg.png

page-bg.png

97 ms

body-l.png

body-l.png

101 ms

body-r.png

body-r.png

98 ms

topbar-bg.png

topbar-bg.png

101 ms

Redner-getSpeaker-App.png

Redner-getSpeaker-App.png

98 ms

lock2.png

lock2.png

98 ms

header-bg.png

header-bg.png

193 ms

logo.png

logo.png

193 ms

search-bg.png

search-bg.png

194 ms

Petra-Bindl-Podcast-Moderatorin_thumb.jpg

Petra-Bindl-Podcast-Moderatorin_thumb.jpg

194 ms

Christiane-Stein-TV-Moderatorin_thumb.jpg

Christiane-Stein-TV-Moderatorin_thumb.jpg

200 ms

Matthias-Hettl-Redner-Leadership_thumb.jpg

Matthias-Hettl-Redner-Leadership_thumb.jpg

202 ms

Mark-T-Hofmann-Redner-Psychologie_thumb.jpg

Mark-T-Hofmann-Redner-Psychologie_thumb.jpg

288 ms

Video-Andreas-Nemeth-Redner.cc.jpg

Video-Andreas-Nemeth-Redner.cc.jpg

290 ms

Roland-M-Loescher-Redner.cc.jpg

Roland-M-Loescher-Redner.cc.jpg

386 ms

Michael-Stoecker-Redner.cc.jpg

Michael-Stoecker-Redner.cc.jpg

290 ms

Cordula-Nussbaum-cc.k.jpg

Cordula-Nussbaum-cc.k.jpg

300 ms

bullet-7.png

bullet-7.png

302 ms

Frank-Astor-Redner-cc.k.jpg

Frank-Astor-Redner-cc.k.jpg

384 ms

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

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

385 ms

Ernst-Holzmann-Redner-Management_thumb.jpg

Ernst-Holzmann-Redner-Management_thumb.jpg

387 ms

getSpeaker-App-Redneragentur_thumb.png

getSpeaker-App-Redneragentur_thumb.png

401 ms

RednerTV_thumb.jpg

RednerTV_thumb.jpg

402 ms

Karin-Cartal-Video-Images_thumb.jpg

Karin-Cartal-Video-Images_thumb.jpg

480 ms

getSpeaker-App-Redner.jpg

getSpeaker-App-Redner.jpg

481 ms

Redner-TV.jpg

Redner-TV.jpg

482 ms

Podiumsdiskussion-Moderatoren-Redner-buchen.jpg

Podiumsdiskussion-Moderatoren-Redner-buchen.jpg

482 ms

horiz-bg.png

horiz-bg.png

492 ms

horiz-r.png

horiz-r.png

494 ms

horiz-l.png

horiz-l.png

567 ms

drop-top-3.png

drop-top-3.png

568 ms

drop-bg-3.png

drop-bg-3.png

569 ms

col-r.png

col-r.png

569 ms

feature-bg.png

feature-bg.png

692 ms

feature-readon-l.png

feature-readon-l.png

588 ms

feature-readon-m.png

feature-readon-m.png

657 ms

feature-readon-r.png

feature-readon-r.png

579 ms

newsflash-bg.png

newsflash-bg.png

580 ms

newsflash-tab.png

newsflash-tab.png

580 ms

darkgrey-module-bg.png

darkgrey-module-bg.png

609 ms

darkgrey-module-h3-2.png

darkgrey-module-h3-2.png

672 ms

darkgrey-module-h3.png

darkgrey-module-h3.png

672 ms

light-module-h3-2.png

light-module-h3-2.png

580 ms

component-head-bg.png

component-head-bg.png

582 ms

rednertabs-bg.png

rednertabs-bg.png

610 ms

rmn-inset-r.png

rmn-inset-r.png

613 ms

rmn-inset-l.png

rmn-inset-l.png

666 ms

move-handle.png

move-handle.png

666 ms

rmn-expander.png

rmn-expander.png

579 ms

red-h2.png

red-h2.png

580 ms

rokmicro-list-bg.png

rokmicro-list-bg.png

612 ms

rokmicro-list-bg2.png

rokmicro-list-bg2.png

607 ms

grey-arrow.png

grey-arrow.png

661 ms

blue-h2.png

blue-h2.png

578 ms

green-h2.png

green-h2.png

579 ms

blue-module-bg.png

blue-module-bg.png

579 ms

blue-module-h3-2.png

blue-module-h3-2.png

617 ms

blue-module-h3.png

blue-module-h3.png

609 ms

blue-arrow.png

blue-arrow.png

656 ms

blue-div.png

blue-div.png

579 ms

light-module-h3.png

light-module-h3.png

579 ms

light-div.png

light-div.png

579 ms

light-arrow.png

light-arrow.png

620 ms

botbar-bg.png

botbar-bg.png

609 ms

top-button-bg.png

top-button-bg.png

652 ms

bottom-bg.png

bottom-bg.png

578 ms

footer-bg.png

footer-bg.png

579 ms

drophere.png

drophere.png

97 ms

spinner.gif

spinner.gif

102 ms

Petra-Bindl-Podcast-Moderatorin.jpg

Petra-Bindl-Podcast-Moderatorin.jpg

99 ms

blank.png

blank.png

102 ms

newsflash-controls.png

newsflash-controls.png

99 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: