Tools & Wizards About Us
louis-renner.de screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

louis-renner.de

Klaviermechaniken und Hammerköpfe von Renner | Louis Renner GmbH

Page Load Speed

4.6 sec in total

First Response

372 ms

Resources Loaded

3.3 sec

Page Rendered

954 ms

louis-renner.de screenshot

About Website

Visit louis-renner.de now to see the best up-to-date Louis Renner content for Germany and also check out these interesting facts you probably never knew about louis-renner.de

Wir sind weltweit führender Hersteller für einzigartige Klaviermechaniken und filigrane Hammerköpfe. Unser Anspruch sind Töne höchsten Maßstabs. ▶️Jetzt entdecken

Visit louis-renner.de

Key Findings

We analyzed Louis-renner.de page load time and found that the first response time was 372 ms and then it took 4.2 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

louis-renner.de performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value7.1 s

32/100

10%

TBT (Total Blocking Time)

Value1,160 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

louis-renner.de

372 ms

www.louis-renner.de

889 ms

styles.css

195 ms

spamjam.css

292 ms

tailwind.css

298 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that all of those requests were addressed to Louis-renner.de and no external sources were called. The less responsive or slowest element that took the longest time to load (904 ms) belongs to the original domain Louis-renner.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.5 kB (2%)

Content Size

4.3 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Louis-renner.de main page is 4.3 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. 40% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 43.5 kB

  • Original 54.4 kB
  • After minification 54.1 kB
  • After compression 10.9 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 43.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 33.6 kB

  • Original 4.1 MB
  • After minification 4.0 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. Louis Renner images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.0 kB

  • Original 128.9 kB
  • After minification 128.9 kB
  • After compression 127.8 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.

CSS Optimization

-2%

Potential reduce by 1.4 kB

  • Original 61.4 kB
  • After minification 61.4 kB
  • After compression 60.0 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. Louis-renner.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (38%)

Requests Now

50

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Louis Renner. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

louis-renner.de

louis-renner.de

372 ms

www.louis-renner.de

www.louis-renner.de

889 ms

styles.css

styles.css

195 ms

spamjam.css

spamjam.css

292 ms

tailwind.css

tailwind.css

298 ms

light.min.css

light.min.css

294 ms

regular.min.css

regular.min.css

303 ms

all.min.css

all.min.css

413 ms

borlabs-cookie-1-de.css

borlabs-cookie-1-de.css

406 ms

sassy-social-share-public.css

sassy-social-share-public.css

388 ms

mailin-front.css

mailin-front.css

391 ms

language-cookie.js

language-cookie.js

395 ms

jquery.min.js

jquery.min.js

503 ms

jquery-migrate.min.js

jquery-migrate.min.js

484 ms

borlabs-cookie-config-de.json.js

borlabs-cookie-config-de.json.js

489 ms

mailin-front.js

mailin-front.js

495 ms

borlabs-cookie-prioritize.min.js

borlabs-cookie-prioritize.min.js

580 ms

borlabs-cookie.min.js

borlabs-cookie.min.js

581 ms

index.js

index.js

582 ms

index.js

index.js

586 ms

spamjamscripts.js

spamjamscripts.js

593 ms

index.js

index.js

614 ms

sassy-social-share-public.js

sassy-social-share-public.js

722 ms

renner_logo_blau.png

renner_logo_blau.png

102 ms

renner-klaviermechanik-25.jpg

renner-klaviermechanik-25.jpg

628 ms

renner_logo_weiss_schatten.png

renner_logo_weiss_schatten.png

545 ms

renner-klaviermechanik-21.jpg

renner-klaviermechanik-21.jpg

462 ms

renner-innenleben-klavier-20.jpg

renner-innenleben-klavier-20.jpg

285 ms

renner-klaviermechanik-20.jpg

renner-klaviermechanik-20.jpg

404 ms

renner-innenleben-klavier-21.jpg

renner-innenleben-klavier-21.jpg

498 ms

renner-klaviermechanik-22.jpg

renner-klaviermechanik-22.jpg

483 ms

renner-innenleben-klavier-22.jpg

renner-innenleben-klavier-22.jpg

605 ms

renner-hammerkoepfe-22.jpg

renner-hammerkoepfe-22.jpg

563 ms

renner-hammerkoepfe-21.jpg

renner-hammerkoepfe-21.jpg

587 ms

pixel.png

pixel.png

598 ms

bosendorfer.svg

bosendorfer.svg

643 ms

bfl_marke_augustforster.svg

bfl_marke_augustforster.svg

667 ms

julius_bluthner_pianofortefabrik_logo.svg

julius_bluthner_pianofortefabrik_logo.svg

689 ms

logo_steingraeber.svg

logo_steingraeber.svg

700 ms

petrof_black_b_rgb.svg

petrof_black_b_rgb.svg

705 ms

irmler_logo-1-320x91.png

irmler_logo-1-320x91.png

723 ms

c-bechstein-sw-320x95.png

c-bechstein-sw-320x95.png

741 ms

samick_logo-320x115.jpeg

samick_logo-320x115.jpeg

766 ms

steinway_and_sons_logo.svg

steinway_and_sons_logo.svg

790 ms

wilhelm_schimmel_pianofortefabrik_logo.svg

wilhelm_schimmel_pianofortefabrik_logo.svg

802 ms

fazioli_logo.svg

fazioli_logo.svg

805 ms

grotrian-steinweg_logo.svg

grotrian-steinweg_logo.svg

820 ms

estonia_logo_estonia-klaverivabrik.svg

estonia_logo_estonia-klaverivabrik.svg

840 ms

haessler_black.svg

haessler_black.svg

866 ms

bluethner-logo-schwarz-320x98.jpg

bluethner-logo-schwarz-320x98.jpg

893 ms

logo_roenisch_drucksachen_2009-180x180.jpg

logo_roenisch_drucksachen_2009-180x180.jpg

904 ms

seiler_rz-315x180.jpg

seiler_rz-315x180.jpg

863 ms

fa-regular-400.woff

fa-regular-400.woff

872 ms

fa-light-300.woff

fa-light-300.woff

897 ms

Accessibility Review

louis-renner.de accessibility score

95

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

Best Practices

louis-renner.de best practices score

92

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

Page has valid source maps

SEO Factors

louis-renner.de SEO score

100

Search Engine Optimization Advices

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Louis-renner.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 Louis-renner.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

louis-renner.de

Open Graph data is detected on the main page of Louis Renner. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: