Tools & Wizards About Us
renz.de screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

renz.de

Renz

Page Load Speed

4.9 sec in total

First Response

324 ms

Resources Loaded

3.9 sec

Page Rendered

591 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

We are a leading manufacturer of exclusive office furniture and conference room solutions. RENZ understands people who want to give their workspace their own personal touch.

Visit renz.de

Key Findings

We analyzed Renz.de page load time and found that the first response time was 324 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

renz.de performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value49.6 s

0/100

10%

TBT (Total Blocking Time)

Value64,790 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.497

16/100

15%

TTI (Time to Interactive)

Value91.7 s

0/100

10%

Network Requests Diagram

renz.de

324 ms

205 ms

597de0b92505.css

111 ms

main.min.css

328 ms

963355810869.js

430 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 69% of them (31 requests) were addressed to the original Renz.de, 24% (11 requests) were made to Youtube.com and 2% (1 request) were made to Static.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Renz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 357.7 kB (12%)

Content Size

2.9 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Renz.de main page is 2.9 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 21.6 kB

  • Original 27.0 kB
  • After minification 26.6 kB
  • After compression 5.4 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. 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 21.6 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.4 MB
  • After minification 2.4 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 24.4 kB

  • Original 154.9 kB
  • After minification 154.9 kB
  • After compression 130.5 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 24.4 kB or 16% of the original size.

CSS Optimization

-79%

Potential reduce by 311.8 kB

  • Original 395.0 kB
  • After minification 394.8 kB
  • After compression 83.2 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 needs all CSS files to be minified and compressed as it can save up to 311.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (27%)

Requests Now

41

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

renz.de

renz.de

324 ms

205 ms

597de0b92505.css

597de0b92505.css

111 ms

main.min.css

main.min.css

328 ms

963355810869.js

963355810869.js

430 ms

app.min.js

app.min.js

476 ms

colorbox.min.js

colorbox.min.js

321 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

474 ms

CONVO%20-%20EgeTrans%2C%20Marbach-1ca8c7e9.jpg

CONVO%20-%20EgeTrans%2C%20Marbach-1ca8c7e9.jpg

582 ms

SLIDE%20-%20Tsambikakis%20%26%20Partner%2C%20Berlin-7f16086c.jpg

SLIDE%20-%20Tsambikakis%20%26%20Partner%2C%20Berlin-7f16086c.jpg

327 ms

SLIDE%20-%20Volksbank%20Freiburg%20eG-fab25562.jpg

SLIDE%20-%20Volksbank%20Freiburg%20eG-fab25562.jpg

1150 ms

STAR%20-%20Rechtsanwaltskanzlei%2C%20D%C3%BCsseldorf-9c1cb029.jpg

STAR%20-%20Rechtsanwaltskanzlei%2C%20D%C3%BCsseldorf-9c1cb029.jpg

1148 ms

STAR%2C%20CONVO%20-%20EgeTrans%2C%20Marbach-6f7b25fe.jpg

STAR%2C%20CONVO%20-%20EgeTrans%2C%20Marbach-6f7b25fe.jpg

315 ms

slider-controls.svg

slider-controls.svg

161 ms

logo.svg

logo.svg

227 ms

Newsbild_Projects-e8cb67ee.jpg

Newsbild_Projects-e8cb67ee.jpg

1148 ms

AQ491-02-1ca80d09.jpg

AQ491-02-1ca80d09.jpg

1147 ms

IMG_5070_Produkte-051f9f76.jpg

IMG_5070_Produkte-051f9f76.jpg

518 ms

Bild5-ab70671f.jpg

Bild5-ab70671f.jpg

1155 ms

AQ424-01_Unternehmen-37afa2b6.jpg

AQ424-01_Unternehmen-37afa2b6.jpg

1148 ms

Brosch%C3%BCren%20neues%20Kachelbild-5544d145.jpg

Brosch%C3%BCren%20neues%20Kachelbild-5544d145.jpg

1154 ms

contact-9007387a.jpg

contact-9007387a.jpg

1149 ms

ic-close.svg

ic-close.svg

1149 ms

DINWeb.woff

DINWeb.woff

1140 ms

CONVO%20-%20EgeTrans%2C%20Marbach-a26c9846.jpg

CONVO%20-%20EgeTrans%2C%20Marbach-a26c9846.jpg

1136 ms

SLIDE%20-%20Tsambikakis%20%26%20Partner%2C%20Berlin-6eda3c06.jpg

SLIDE%20-%20Tsambikakis%20%26%20Partner%2C%20Berlin-6eda3c06.jpg

1137 ms

SLIDE%20-%20Volksbank%20Freiburg%20eG-dc0ea2a9.jpg

SLIDE%20-%20Volksbank%20Freiburg%20eG-dc0ea2a9.jpg

1204 ms

STAR%20-%20Rechtsanwaltskanzlei%2C%20D%C3%BCsseldorf-0ee955d5.jpg

STAR%20-%20Rechtsanwaltskanzlei%2C%20D%C3%BCsseldorf-0ee955d5.jpg

1136 ms

STAR%2C%20CONVO%20-%20EgeTrans%2C%20Marbach-64a1464f.jpg

STAR%2C%20CONVO%20-%20EgeTrans%2C%20Marbach-64a1464f.jpg

1127 ms

ic-padlock.svg

ic-padlock.svg

1122 ms

DINWeb-Bold.woff

DINWeb-Bold.woff

1078 ms

player_api

player_api

79 ms

www-widgetapi.js

www-widgetapi.js

16 ms

KOrwgH9ZD0E

KOrwgH9ZD0E

86 ms

zBNC0fTYFyM

zBNC0fTYFyM

244 ms

ApY1M7uEjHI

ApY1M7uEjHI

242 ms

e3fbaH9Jx4A

e3fbaH9Jx4A

240 ms

www-player.css

www-player.css

42 ms

www-embed-player.js

www-embed-player.js

170 ms

base.js

base.js

233 ms

fetch-polyfill.js

fetch-polyfill.js

227 ms

ad_status.js

ad_status.js

688 ms

id

id

471 ms

Tg0tLM1_dIEpfdc1krNG3HvEjfpTkEyPU0eVVH4ChXI.js

Tg0tLM1_dIEpfdc1krNG3HvEjfpTkEyPU0eVVH4ChXI.js

271 ms

embed.js

embed.js

123 ms

Accessibility Review

renz.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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

renz.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

renz.de SEO score

69

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

High

Document doesn't have a valid hreflang

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

    DE

  • Language Claimed

    EN

  • 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 does not match the claimed English 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: