Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

w3masters.nl

Email Communications, Delft

Page Load Speed

10.4 sec in total

First Response

274 ms

Resources Loaded

10 sec

Page Rendered

84 ms

w3masters.nl screenshot

About Website

Visit w3masters.nl now to see the best up-to-date W 3 Masters content for India and also check out these interesting facts you probably never knew about w3masters.nl

Email communications is gespecialiceerd in het ontwikkelen van internet-applicaties; van een ingewikkelde database applicaties tot een doeltreffend cgi-script.

Visit w3masters.nl

Key Findings

We analyzed W3masters.nl page load time and found that the first response time was 274 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

w3masters.nl performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

w3masters.nl

274 ms

pagina.css

81 ms

menu.php

162 ms

coverklein.gif

9603 ms

index.htm

495 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 29% of them (6 requests) were addressed to the original W3masters.nl, 38% (8 requests) were made to Linkotheek.nl and 10% (2 requests) were made to W3.org. The less responsive or slowest element that took the longest time to load (9.6 sec) relates to the external source Tinycontrole.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.9 kB (60%)

Content Size

15.0 kB

After Optimization

6.1 kB

In fact, the total size of W3masters.nl main page is 15.0 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. HTML takes 12.6 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 8.6 kB

  • Original 12.6 kB
  • After minification 12.2 kB
  • After compression 4.1 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 8.6 kB or 68% of the original size.

Image Optimization

-15%

Potential reduce by 290 B

  • Original 1.9 kB
  • After minification 1.6 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, W 3 Masters needs image optimization as it can save up to 290 B or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-19%

Potential reduce by 86 B

  • Original 461 B
  • After minification 461 B
  • After compression 375 B

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. W3masters.nl needs all CSS files to be minified and compressed as it can save up to 86 B or 19% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of W 3 Masters. According to our analytics all requests are already optimized.

Accessibility Review

w3masters.nl accessibility score

67

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

Best Practices

w3masters.nl best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

w3masters.nl SEO score

69

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise W3masters.nl 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 W3masters.nl main page’s claimed encoding is iso-8859-1. 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 W 3 Masters. 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: