Access delftsemethode.nl. NT2.nl | De meest complete webshop voor NT2 lesmateriaal

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

delftsemethode.nl

392 ms

191 ms

gtm.js

61 ms

nt2.css

200 ms

css2

39 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Delftsemethode.nl, 82% (46 requests) were made to Nt2.nl and 9% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (952 ms) relates to the external source Nt2.nl.

Content Size

802.4 kB

After Optimization

672.8 kB

In fact, the total size of Delftsemethode.nl main page is 802.4 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. 45% of websites need less resources to load. Images take 618.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.6 kB

Original 47.4 kB
After minification 42.8 kB
After compression 8.8 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 38.6 kB or 81% of the original size.

Image Optimization

-13%

Potential reduce by 80.8 kB

Original 618.1 kB
After minification 537.3 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. Obviously, De Lftsemetho needs image optimization as it can save up to 80.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 333 B

Original 88.5 kB
After minification 88.5 kB
After compression 88.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-20%

Potential reduce by 9.8 kB

Original 48.3 kB
After minification 48.3 kB
After compression 38.5 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. Delftsemethode.nl needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 20% of the original size.

Requests Now

After Optimization

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Lftsemetho. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Delftsemethode.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 Delftsemethode.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

delftsemethode.nl

Open Graph data is detected on the main page of De Lftsemetho. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

NT2.nl | De meest complete webshop voor NT2 lesmateriaal

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

delftsemethode.nl

gtm.js

nt2.css

css2

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

delftsemethode.nl

gtm.js

nt2.css

css2

jquery.min.js

nt2assets.js

nt2.js

homepage_slider.js

icon-headset.svg

icon-taal-nederlands.svg

pijltje-down.svg

icon-taal-engels.svg

icon-hamburger-zwart.svg

logo.svg

pijltje-down-wit.svg

icon-winkelwagen.svg

icon-wij-verzenden-wereldwijd.svg

icon-close.svg

8d9af4db-190b-46ed-98c9-68504da6591d

nt2-tas_w340_h340.jpg

blauwebutton.png

oranjebutton.png

3.png

plaatjes_website_2__w400.png

icon-news.svg

1_w400.png

wtkverkoop_w400.png

webinar_nt2port_w400.png

schrijfprijs_w400.png

nt2chat_rond_w400.png

button-twitter.svg

button-facebook.svg

button-ig.svg

button-linkedin.svg

button-tiktok.svg

icon-over%20Boom-nt2.svg

icon-klantenservice.svg

icon-meest-bekeken.svg

icon-meer-nt2.svg

icon-applicatie-out-small-roze.svg

thuiswinkelwaarborg.svg

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6xKydSBYKcSV-LCoeQqfX1RYOo3i54rAkA.ttf