Tools & Wizards About Us
natuur.nl screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

natuur.nl

Natuur in Nederland | Natuurmonumenten

Page Load Speed

3.6 sec in total

First Response

727 ms

Resources Loaded

2.6 sec

Page Rendered

251 ms

natuur.nl screenshot

About Website

Click here to check amazing Natuur content. Otherwise, check out these important facts you probably never knew about natuur.nl

Ligt je hart bij de natuur? Natuurmonumenten geeft planten en dieren in Nederland een groter leefgebied. Help ook mee natuur te beschermen!

Visit natuur.nl

Key Findings

We analyzed Natuur.nl page load time and found that the first response time was 727 ms and then it took 2.9 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

natuur.nl performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

forum

727 ms

129 ms

style-67cc624d-00002.css

91 ms

vbulletin_important.css

181 ms

yahoo-dom-event.js

183 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 41% of them (29 requests) were addressed to the original Natuur.nl, 11% (8 requests) were made to Apis.google.com and 6% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Villa-aberson.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.9 kB (50%)

Content Size

236.1 kB

After Optimization

117.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Natuur.nl main page is 236.1 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. 70% of websites need less resources to load. Javascripts take 118.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 41.0 kB

  • Original 52.0 kB
  • After minification 48.4 kB
  • After compression 11.0 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 41.0 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 2.4 kB

  • Original 58.6 kB
  • After minification 56.1 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. Natuur images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 69.2 kB

  • Original 118.0 kB
  • After minification 115.6 kB
  • After compression 48.8 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 69.2 kB or 59% of the original size.

CSS Optimization

-83%

Potential reduce by 6.3 kB

  • Original 7.5 kB
  • After minification 4.8 kB
  • After compression 1.2 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. Natuur.nl needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (50%)

Requests Now

68

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Natuur. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

forum

forum

727 ms

129 ms

style-67cc624d-00002.css

style-67cc624d-00002.css

91 ms

vbulletin_important.css

vbulletin_important.css

181 ms

yahoo-dom-event.js

yahoo-dom-event.js

183 ms

connection-min.js

connection-min.js

181 ms

vbulletin_global.js

vbulletin_global.js

182 ms

vbulletin_menu.js

vbulletin_menu.js

179 ms

vbulletin_md5.js

vbulletin_md5.js

205 ms

show_ads.js

show_ads.js

7 ms

vbulletin_read_marker.js

vbulletin_read_marker.js

316 ms

villa.jpg

villa.jpg

1091 ms

i.gif

i.gif

42 ms

natuur_logo.gif

natuur_logo.gif

121 ms

vakantiehuis-banner.gif

vakantiehuis-banner.gif

121 ms

menu_open.gif

menu_open.gif

120 ms

navbits_start.gif

navbits_start.gif

120 ms

bop5_share.png

bop5_share.png

120 ms

collapse_thead.gif

collapse_thead.gif

247 ms

picture.php

picture.php

292 ms

picture.php

picture.php

292 ms

picture.php

picture.php

292 ms

picture.php

picture.php

291 ms

picture.php

picture.php

289 ms

forum_old.gif

forum_old.gif

349 ms

clear.gif

clear.gif

439 ms

icon1.gif

icon1.gif

350 ms

lastpost.gif

lastpost.gif

350 ms

whos_online.gif

whos_online.gif

348 ms

stats.gif

stats.gif

351 ms

forum_new.gif

forum_new.gif

483 ms

cron.php

cron.php

503 ms

all.js

all.js

55 ms

widgets.js

widgets.js

24 ms

plusone.js

plusone.js

164 ms

zrt_lookup.html

zrt_lookup.html

200 ms

show_ads_impl.js

show_ads_impl.js

82 ms

191 ms

ads

ads

265 ms

xd_arbiter.php

xd_arbiter.php

68 ms

xd_arbiter.php

xd_arbiter.php

180 ms

osd.js

osd.js

170 ms

ads

ads

256 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

71 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

124 ms

fastbutton

fastbutton

251 ms

s9.g

s9.g

86 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

125 ms

ping

ping

105 ms

postmessageRelay

postmessageRelay

126 ms

css

css

129 ms

m_js_controller.js

m_js_controller.js

115 ms

abg.js

abg.js

123 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

45 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

44 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

22 ms

like.php

like.php

185 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

128 ms

rpc:shindig_random.js

rpc:shindig_random.js

119 ms

favicon

favicon

187 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

109 ms

s

s

74 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

170 ms

favicon

favicon

160 ms

x_button_blue2.png

x_button_blue2.png

74 ms

jot

jot

180 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

55 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

116 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

99 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

77 ms

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

10 ms

Accessibility Review

natuur.nl accessibility score

87

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

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

natuur.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

natuur.nl SEO score

83

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Natuur.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 Natuur.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

natuur.nl

Open Graph description is not detected on the main page of Natuur. 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: