Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

nhg.org

Het Nederlands Huisartsen Genootschap

Page Load Speed

3.8 sec in total

First Response

425 ms

Resources Loaded

3.2 sec

Page Rendered

171 ms

nhg.org screenshot

About Website

Click here to check amazing Nhg content for Netherlands. Otherwise, check out these important facts you probably never knew about nhg.org

Het NHG is dé wetenschappelijke vereniging van en voor huisartsen. Al meer dan 65 jaar vertaalt het NHG de laatste huisartsgeneeskundige inzichten naar je praktijk.

Visit nhg.org

Key Findings

We analyzed Nhg.org page load time and found that the first response time was 425 ms and then it took 3.4 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

nhg.org performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value7.0 s

52/100

10%

Network Requests Diagram

www.nhg.org

425 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

243 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

245 ms

css_uJq4i_pXk1UmtbCovdeCsAhlfvrAFcmFexwn2c_hQDQ.css

244 ms

css_HyqCpn9WFT9ktYQeIfpnHZNiDHDpMVDYhBpBNXXEnjU.css

250 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 78% of them (31 requests) were addressed to the original Nhg.org, 18% (7 requests) were made to Use.typekit.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Nhg.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 569.4 kB (60%)

Content Size

941.9 kB

After Optimization

372.4 kB

In fact, the total size of Nhg.org main page is 941.9 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. 40% of websites need less resources to load. Javascripts take 426.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 50.6 kB

  • Original 61.2 kB
  • After minification 57.8 kB
  • After compression 10.6 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 50.6 kB or 83% of the original size.

Image Optimization

-14%

Potential reduce by 35.8 kB

  • Original 254.3 kB
  • After minification 218.6 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, Nhg needs image optimization as it can save up to 35.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 320.3 kB

  • Original 426.5 kB
  • After minification 330.3 kB
  • After compression 106.2 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 320.3 kB or 75% of the original size.

CSS Optimization

-81%

Potential reduce by 162.8 kB

  • Original 199.9 kB
  • After minification 196.8 kB
  • After compression 37.1 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. Nhg.org needs all CSS files to be minified and compressed as it can save up to 162.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (41%)

Requests Now

34

After Optimization

20

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nhg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nhg.org accessibility score

71

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nhg.org best practices score

75

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

SEO Factors

nhg.org SEO score

100

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Nhg.org 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 Nhg.org 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 Nhg. 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: