Tools & Wizards About Us
renz.de screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

renz.de

Renz

Page Load Speed

2.7 sec in total

First Response

139 ms

Resources Loaded

1.8 sec

Page Rendered

717 ms

renz.de screenshot

About Website

Click here to check amazing Renz content. Otherwise, check out these important facts you probably never knew about renz.de

Visit renz.de

Key Findings

We analyzed Renz.de page load time and found that the first response time was 139 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

renz.de performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

renz.de

139 ms

renz.de

44 ms

www.renz.de

859 ms

renz-04046c.webflow.650853281.css

54 ms

consent.js

148 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original Renz.de, 72% (39 requests) were made to Cdn.prod.website-files.com and 4% (2 requests) were made to Consent.cookiefirst.com. The less responsive or slowest element that took the longest time to load (859 ms) belongs to the original domain Renz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.8 kB (9%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Renz.de main page is 2.5 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. 65% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 38.6 kB

  • Original 49.8 kB
  • After minification 49.6 kB
  • After compression 11.2 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 38.6 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 122.7 kB

  • Original 2.1 MB
  • After minification 2.0 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. Renz images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 62.8 kB

  • Original 382.9 kB
  • After minification 382.9 kB
  • After compression 320.0 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 62.8 kB or 16% of the original size.

CSS Optimization

-7%

Potential reduce by 1.7 kB

  • Original 25.1 kB
  • After minification 25.1 kB
  • After compression 23.5 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. Renz.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (36%)

Requests Now

45

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Renz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

renz.de

renz.de

139 ms

renz.de

renz.de

44 ms

www.renz.de

www.renz.de

859 ms

renz-04046c.webflow.650853281.css

renz-04046c.webflow.650853281.css

54 ms

consent.js

consent.js

148 ms

copyclip.js

copyclip.js

54 ms

weglot.min.js

weglot.min.js

61 ms

platform.js

platform.js

44 ms

jquery-3.5.1.min.dc5e7f18c8.js

jquery-3.5.1.min.dc5e7f18c8.js

39 ms

webflow.70a693d7a.js

webflow.70a693d7a.js

68 ms

magicNav.js

magicNav.js

657 ms

splide.min.js

splide.min.js

67 ms

swiper-bundle.min.js

swiper-bundle.min.js

50 ms

platform.js

platform.js

28 ms

swiper-bundle.min.js

swiper-bundle.min.js

26 ms

banner.no-autoblock.js

banner.no-autoblock.js

24 ms

629f63bf41916474d5d47dbb_logo.svg

629f63bf41916474d5d47dbb_logo.svg

23 ms

utils.js

utils.js

630 ms

6674468afcbb19e30ba52238_Renz_office2_Connect%20bench%20low.webp

6674468afcbb19e30ba52238_Renz_office2_Connect%20bench%20low.webp

26 ms

661e7d2343c2942b16c16ea0_Bild1-1.webp

661e7d2343c2942b16c16ea0_Bild1-1.webp

44 ms

661e7ce5ed98f01d836d31f5_High%20table.webp

661e7ce5ed98f01d836d31f5_High%20table.webp

25 ms

65a9293a7baac55f05336800_Header%20Bild.webp

65a9293a7baac55f05336800_Header%20Bild.webp

27 ms

64cbb893ec7e4589e9c2471d_SLIDE-Motiv-02.webp

64cbb893ec7e4589e9c2471d_SLIDE-Motiv-02.webp

31 ms

62862ff2ceaec9bee4b7f7c6_Gruppe%2061.svg

62862ff2ceaec9bee4b7f7c6_Gruppe%2061.svg

24 ms

64cbb75d1dbd453b3c507b1a_Blockwall.webp

64cbb75d1dbd453b3c507b1a_Blockwall.webp

46 ms

63fc665ee8ee24307f1c47c0_Grundriss%203%20mit%20Slide%20Connect_homepage.jpg

63fc665ee8ee24307f1c47c0_Grundriss%203%20mit%20Slide%20Connect_homepage.jpg

44 ms

62862eaba1a6e2d96e6d3eb2_AQ424-01_Unternehmen-b613b036.png

62862eaba1a6e2d96e6d3eb2_AQ424-01_Unternehmen-b613b036.png

44 ms

66752152147d908cecfe8974_Focus%20Open.webp

66752152147d908cecfe8974_Focus%20Open.webp

45 ms

661e6e0d23853c3ac5f02e74_IMG_6078_1.webp

661e6e0d23853c3ac5f02e74_IMG_6078_1.webp

48 ms

65e1f801140fcce014698626_IMG_2971K.webp

65e1f801140fcce014698626_IMG_2971K.webp

54 ms

65a92def2310481707170435_Bild5.webp

65a92def2310481707170435_Bild5.webp

53 ms

659d4cbb88f1f1e892ae7c4b_Happy2024.webp

659d4cbb88f1f1e892ae7c4b_Happy2024.webp

54 ms

6514386d4a9f79be0686fd86_IMG_3966.webp

6514386d4a9f79be0686fd86_IMG_3966.webp

52 ms

64f19cbd43ef3d9c2327c321_News%20Image1.webp

64f19cbd43ef3d9c2327c321_News%20Image1.webp

61 ms

64cbc067e7b98e95b153ac9b_2023-05-31DSC06834K1.webp

64cbc067e7b98e95b153ac9b_2023-05-31DSC06834K1.webp

65 ms

6488630e33398906be0f7747_Preview1.webp

6488630e33398906be0f7747_Preview1.webp

63 ms

641b2b3d567914a827712f81_Renz_Slide-Connect_Urkunde1.webp

641b2b3d567914a827712f81_Renz_Slide-Connect_Urkunde1.webp

63 ms

63f381903db34a146fdc904b_Bild1.webp

63f381903db34a146fdc904b_Bild1.webp

70 ms

63dd22c2a4a8ee0d59e66608_PGP_Regloplas2-1.webp

63dd22c2a4a8ee0d59e66608_PGP_Regloplas2-1.webp

66 ms

63c137dc245175eea8a09efe_Internationaler%20S%C3%BCsswarenhersteller%2C%20Frankfurt.webp

63c137dc245175eea8a09efe_Internationaler%20S%C3%BCsswarenhersteller%2C%20Frankfurt.webp

77 ms

636a0c369821b62206b25629_202211_NEWS.jpg

636a0c369821b62206b25629_202211_NEWS.jpg

113 ms

632c2adcb2e40462e8c185f8_IMG_2173_Post_cut_schmal.webp

632c2adcb2e40462e8c185f8_IMG_2173_Post_cut_schmal.webp

74 ms

63341de3a66910e8a3eb98ed_62d5293f0ffd2030fd139ba0_Motiv%20projects.webp

63341de3a66910e8a3eb98ed_62d5293f0ffd2030fd139ba0_Motiv%20projects.webp

112 ms

62863e4af1f4377a7d0e32db_prev.svg

62863e4af1f4377a7d0e32db_prev.svg

111 ms

62863e4af1f43758a80e32dc_Vector.svg

62863e4af1f43758a80e32dc_Vector.svg

114 ms

6286493182456914101e4c6a_Instagram.svg

6286493182456914101e4c6a_Instagram.svg

115 ms

62b42decf78ad25a1905c893_Facebook.svg

62b42decf78ad25a1905c893_Facebook.svg

115 ms

62b42e0a7cff041c1d55c369_pinterest.svg

62b42e0a7cff041c1d55c369_pinterest.svg

118 ms

62b42e1f04a90c07883505a0_Icon%20simple-youtube.svg

62b42e1f04a90c07883505a0_Icon%20simple-youtube.svg

117 ms

62f9e8a7943e1bd179124bc5_Group%20587.svg

62f9e8a7943e1bd179124bc5_Group%20587.svg

116 ms

62948ac8c01d31301e1a233d_DINOT-Regular.otf

62948ac8c01d31301e1a233d_DINOT-Regular.otf

79 ms

6295f8c29edf3057d7493ae4_DINOT-Medium.otf

6295f8c29edf3057d7493ae4_DINOT-Medium.otf

78 ms

6295f8c2ae27a42e4a4a742f_DINOT-Bold.otf

6295f8c2ae27a42e4a4a742f_DINOT-Bold.otf

79 ms

6295f8391773b8512087ab7b_DINOT-Black.otf

6295f8391773b8512087ab7b_DINOT-Black.otf

80 ms

Accessibility Review

renz.de accessibility score

90

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.

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

renz.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

renz.de SEO score

72

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

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

High

Tap targets are not sized appropriately

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 Renz.de 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 Renz.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

renz.de

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