Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

kemper-olpe.com

Home - Gebr. Kemper GmbH + Co. KG

Page Load Speed

9.6 sec in total

First Response

245 ms

Resources Loaded

9 sec

Page Rendered

299 ms

kemper-olpe.com screenshot

About Website

Visit kemper-olpe.com now to see the best up-to-date Kemper Olpe content and also check out these interesting facts you probably never knew about kemper-olpe.com

Fertigung hochqualitativer Installationsarmaturen und Systeme zum Erhalt der Trinkwasserhygiene, Gussteile aus Kupferlegierungen und gewalzte Bänder aus Kupfer und Kupferlegierungen

Visit kemper-olpe.com

Key Findings

We analyzed Kemper-olpe.com page load time and found that the first response time was 245 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

kemper-olpe.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

kemper-olpe.com

245 ms

6046 ms

stylesheet_3340bf4c7f.css

200 ms

colorbox.css

195 ms

jquery-ui-1.9.2.custom.min.css

290 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Kemper-olpe.com, 85% (41 requests) were made to Kemper-olpe.de and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (6 sec) relates to the external source Kemper-olpe.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (56%)

Content Size

2.3 MB

After Optimization

1.0 MB

In fact, the total size of Kemper-olpe.com main page is 2.3 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. 50% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 127.4 kB

  • Original 162.5 kB
  • After minification 161.0 kB
  • After compression 35.1 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 127.4 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 70.3 kB

  • Original 651.0 kB
  • After minification 580.6 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. Obviously, Kemper Olpe needs image optimization as it can save up to 70.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 694.0 kB

  • Original 1.0 MB
  • After minification 998.5 kB
  • After compression 344.1 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 694.0 kB or 67% of the original size.

CSS Optimization

-90%

Potential reduce by 395.7 kB

  • Original 437.5 kB
  • After minification 397.7 kB
  • After compression 41.7 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. Kemper-olpe.com needs all CSS files to be minified and compressed as it can save up to 395.7 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (59%)

Requests Now

46

After Optimization

19

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kemper Olpe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kemper-olpe.com accessibility score

62

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

Links do not have a discernible name

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kemper-olpe.com best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kemper-olpe.com SEO score

97

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kemper-olpe.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kemper-olpe.com 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

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