Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

oertzen-gmbh.net

von Oertzen GmbH | Nettoyeurs haute pression Hambourg | Balayeuse | Aspirateur eau et poussière | Autolaveuse | Technique d'extinction haute press...

Page Load Speed

2.6 sec in total

First Response

365 ms

Resources Loaded

2 sec

Page Rendered

245 ms

oertzen-gmbh.net screenshot

About Website

Visit oertzen-gmbh.net now to see the best up-to-date Oertzen GmbH content and also check out these interesting facts you probably never knew about oertzen-gmbh.net

von Oertzen GmbH Parteneur professionnel pour l'artisanat, les secteurs manufacturieres et l'industrie en secteur haute pression Hambourg et technique d'extinction haute pression

Visit oertzen-gmbh.net

Key Findings

We analyzed Oertzen-gmbh.net page load time and found that the first response time was 365 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

oertzen-gmbh.net performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.195

63/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

oertzen-gmbh.net

365 ms

www.oertzen-gmbh.net

588 ms

styles.css

377 ms

jquery.fancybox.css

283 ms

clip1.jpg

197 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 96% of them (43 requests) were addressed to the original Oertzen-gmbh.net, 2% (1 request) were made to Google-analytics.com and 2% (1 request) were made to Oertzen-gmbh.com. The less responsive or slowest element that took the longest time to load (836 ms) belongs to the original domain Oertzen-gmbh.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.4 kB (20%)

Content Size

509.9 kB

After Optimization

407.5 kB

In fact, the total size of Oertzen-gmbh.net main page is 509.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 360.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 14.8 kB

  • Original 19.8 kB
  • After minification 19.0 kB
  • After compression 5.0 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 14.8 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 16.6 kB

  • Original 360.9 kB
  • After minification 344.3 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. Oertzen GmbH images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 71.0 kB

  • Original 129.1 kB
  • After minification 125.6 kB
  • After compression 58.1 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 71.0 kB or 55% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (28%)

Requests Now

43

After Optimization

31

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oertzen GmbH. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

oertzen-gmbh.net accessibility score

75

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.

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

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

<input type="image"> elements do not have [alt] text

High

Links do not have a discernible name

Best Practices

oertzen-gmbh.net best practices score

67

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

oertzen-gmbh.net SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oertzen-gmbh.net can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Oertzen-gmbh.net 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 Oertzen GmbH. 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: