Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

vako-opleiding.nl

VAKO drankenopleidingen

Page Load Speed

3.1 sec in total

First Response

606 ms

Resources Loaded

2.2 sec

Page Rendered

338 ms

About Website

Welcome to vako-opleiding.nl homepage info - get ready to check VAKO Opleiding best content right away, or after learning these important things about vako-opleiding.nl

Het Slijtersvakdiploma |Opleidingen: wijn, gedistilleerd en bier op niveau 3 | Onze opleidingen worden gegeven op locaties: distilleerderijen, wijngaarden, brouwerijen en importeurs

Visit vako-opleiding.nl

Key Findings

We analyzed Vako-opleiding.nl page load time and found that the first response time was 606 ms and then it took 2.5 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

vako-opleiding.nl performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

home.php

606 ms

editor.css

126 ms

template.css

181 ms

jquery-1.7.2.min.js

5 ms

mdcr.js

209 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 71% of them (25 requests) were addressed to the original Vako-opleiding.nl, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (791 ms) belongs to the original domain Vako-opleiding.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.4 kB (12%)

Content Size

914.1 kB

After Optimization

803.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vako-opleiding.nl main page is 914.1 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 839.5 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 31.2 kB

  • Original 47.3 kB
  • After minification 46.9 kB
  • After compression 16.1 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 31.2 kB or 66% of the original size.

Image Optimization

-8%

Potential reduce by 71.2 kB

  • Original 839.5 kB
  • After minification 768.3 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. VAKO Opleiding images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 748 B

  • Original 18.1 kB
  • After minification 17.6 kB
  • After compression 17.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-80%

Potential reduce by 7.3 kB

  • Original 9.1 kB
  • After minification 5.6 kB
  • After compression 1.8 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. Vako-opleiding.nl needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (32%)

Requests Now

34

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VAKO Opleiding. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vako-opleiding.nl accessibility score

88

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

vako-opleiding.nl best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

vako-opleiding.nl SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vako-opleiding.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Vako-opleiding.nl 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 VAKO Opleiding. 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: