Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

doppelmembranpumpen.com

Doppelmembranpumpen - Druckluftmembranpumpen Doppelmembranpumpen Industriepumpen

Page Load Speed

3.4 sec in total

First Response

276 ms

Resources Loaded

2.6 sec

Page Rendered

490 ms

doppelmembranpumpen.com screenshot

About Website

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

Industrie Druckluftmembranpumpen Selbstansaugend, trockenlaufsicher, Öl-freie Druckluft Membran Pumpe, Doppelmembranpumpen Membrane aus PTFE, EPDM, NBR, Ersatzteile Dichtungen Doppelmembranpumpen

Visit doppelmembranpumpen.com

Key Findings

We analyzed Doppelmembranpumpen.com page load time and found that the first response time was 276 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

doppelmembranpumpen.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

doppelmembranpumpen.com

276 ms

www.doppelmembranpumpen.com

453 ms

main.css

503 ms

colorscheme.css

439 ms

style.css

497 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Doppelmembranpumpen.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Doppelmembranpumpen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.7 kB (20%)

Content Size

472.5 kB

After Optimization

378.8 kB

In fact, the total size of Doppelmembranpumpen.com main page is 472.5 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. Only 10% of websites need less resources to load. Images take 446.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 16.4 kB

  • Original 20.7 kB
  • After minification 20.5 kB
  • After compression 4.3 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 16.4 kB or 79% of the original size.

Image Optimization

-17%

Potential reduce by 75.4 kB

  • Original 446.4 kB
  • After minification 371.1 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, Doppelmembranpumpen needs image optimization as it can save up to 75.4 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-35%

Potential reduce by 788 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 1.5 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 788 B or 35% of the original size.

CSS Optimization

-38%

Potential reduce by 1.2 kB

  • Original 3.1 kB
  • After minification 3.1 kB
  • After compression 1.9 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. Doppelmembranpumpen.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (35%)

Requests Now

23

After Optimization

15

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doppelmembranpumpen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

doppelmembranpumpen.com accessibility score

55

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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

doppelmembranpumpen.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

doppelmembranpumpen.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doppelmembranpumpen.com can be misinterpreted by Google and other search engines. Our service has detected that German 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 Doppelmembranpumpen.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 Doppelmembranpumpen. 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: