Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

lutz-pumpen.de

LUTZ PUMPEN | Fasspumpen, Membranpumpen, Durchflusszähler

Page Load Speed

4.3 sec in total

First Response

303 ms

Resources Loaded

3.7 sec

Page Rendered

307 ms

lutz-pumpen.de screenshot

About Website

Welcome to lutz-pumpen.de homepage info - get ready to check LUTZ PUMPEN best content for Germany right away, or after learning these important things about lutz-pumpen.de

Wir sind Hersteller und Systemlieferant von innovativen und qualitativ hochwertigen Pumpen und Pumpensystemen für den industriellen Einsatz.

Visit lutz-pumpen.de

Key Findings

We analyzed Lutz-pumpen.de page load time and found that the first response time was 303 ms and then it took 4 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

lutz-pumpen.de performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

lutz-pumpen.de

303 ms

Fasspumpen-und-Containerpumpen.aspx

1035 ms

jQuery-1.7.1.js

750 ms

jquery.prettyPhoto.js

551 ms

jquery.jqzoom.js

554 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 82% of them (46 requests) were addressed to the original Lutz-pumpen.de, 5% (3 requests) were made to Google-analytics.com and 4% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Lutz-pumpen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 514.9 kB (19%)

Content Size

2.8 MB

After Optimization

2.3 MB

In fact, the total size of Lutz-pumpen.de main page is 2.8 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. 35% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 27.5 kB

  • Original 37.5 kB
  • After minification 34.7 kB
  • After compression 10.0 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 27.5 kB or 73% of the original size.

Image Optimization

-6%

Potential reduce by 142.8 kB

  • Original 2.3 MB
  • After minification 2.1 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. LUTZ PUMPEN images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 259.9 kB

  • Original 368.7 kB
  • After minification 334.5 kB
  • After compression 108.7 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 259.9 kB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 84.7 kB

  • Original 96.8 kB
  • After minification 76.4 kB
  • After compression 12.1 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. Lutz-pumpen.de needs all CSS files to be minified and compressed as it can save up to 84.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (59%)

Requests Now

54

After Optimization

22

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LUTZ PUMPEN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lutz-pumpen.de accessibility score

86

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Best Practices

lutz-pumpen.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

Missing source maps for large first-party JavaScript

SEO Factors

lutz-pumpen.de SEO score

84

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lutz-pumpen.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 Lutz-pumpen.de main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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