Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

zumpolle.net

Assemblagetechniek, Engineering en Industrieel gereedschap - Zumpolle b.v.

Page Load Speed

3 sec in total

First Response

406 ms

Resources Loaded

2.4 sec

Page Rendered

238 ms

zumpolle.net screenshot

About Website

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

Meer dan 20 jaar kwaliteit en innovatie in industrieel gereedschap, assemblagetechniek en speciaalmachines.

Visit zumpolle.net

Key Findings

We analyzed Zumpolle.net page load time and found that the first response time was 406 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zumpolle.net performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value4.1 s

78/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

zumpolle.net

406 ms

zumpolle.net

459 ms

071b0284269a4b199d49cc57e1ab8827.js

437 ms

swfobject_modified.js

102 ms

pagebackground_1.png

288 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 88% of them (35 requests) were addressed to the original Zumpolle.net, 5% (2 requests) were made to Ssl.google-analytics.com and 5% (2 requests) were made to Salesiq.zoho.eu. The less responsive or slowest element that took the longest time to load (786 ms) belongs to the original domain Zumpolle.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 236.0 kB (49%)

Content Size

479.3 kB

After Optimization

243.2 kB

In fact, the total size of Zumpolle.net main page is 479.3 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. 30% of websites need less resources to load. Images take 423.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 13.1 kB

  • Original 17.1 kB
  • After minification 16.5 kB
  • After compression 4.0 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 13.1 kB or 77% of the original size.

Image Optimization

-48%

Potential reduce by 205.2 kB

  • Original 423.3 kB
  • After minification 218.1 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, Zumpolle needs image optimization as it can save up to 205.2 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-46%

Potential reduce by 17.7 kB

  • Original 38.9 kB
  • After minification 30.3 kB
  • After compression 21.2 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 17.7 kB or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (21%)

Requests Now

33

After Optimization

26

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zumpolle. 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

zumpolle.net accessibility score

50

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

zumpolle.net best practices score

58

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zumpolle.net 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

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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