3.9 sec in total
763 ms
2.9 sec
265 ms
Click here to check amazing Royal HaskoningDHV content for Netherlands. Otherwise, check out these important facts you probably never knew about royalhaskoningdhv.com
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Visit royalhaskoningdhv.comWe analyzed Royalhaskoningdhv.com page load time and found that the first response time was 763 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
royalhaskoningdhv.com performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value36.6 s
0/100
25%
Value18.2 s
0/100
10%
Value1,890 ms
9/100
30%
Value0.039
99/100
15%
Value32.8 s
0/100
10%
763 ms
174 ms
190 ms
192 ms
377 ms
Our browser made a total of 89 requests to load all elements on the main page. We found that 80% of them (71 requests) were addressed to the original Royalhaskoningdhv.com, 3% (3 requests) were made to S7.addthis.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (980 ms) belongs to the original domain Royalhaskoningdhv.com.
Page size can be reduced by 1.5 MB (59%)
2.6 MB
1.1 MB
In fact, the total size of Royalhaskoningdhv.com main page is 2.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Javascripts take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 130.7 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 130.7 kB or 78% of the original size.
Potential reduce by 34.0 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. Royal HaskoningDHV images are well optimized though.
Potential reduce by 1.1 MB
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 1.1 MB or 71% of the original size.
Potential reduce by 280.7 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. Royalhaskoningdhv.com needs all CSS files to be minified and compressed as it can save up to 280.7 kB or 83% of the original size.
Number of requests can be reduced by 53 (65%)
81
28
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Royal HaskoningDHV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
www.royalhaskoningdhv.com
763 ms
reset.min.css
174 ms
global-layout.css
190 ms
font.css
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global.css
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icons.css
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jquery.breakpointwatcher.css
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flexslider.css
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flexslider-skin-rhdhv.css
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jquery.responsivecontent.css
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jquery.toggle.css
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cookiecookie.css
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colorbox.css
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colorbox-skin-rhdhv.css
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listcolumns.css
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responsiveYoutube.css
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pikaday.css
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charts.css
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jquery-2.1.4.js
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modernizr.custom.js
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jquery.min.js
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jquery.unobtrusive-ajax.js
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jquery.validate.js
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jquery.validate.unobtrusive.js
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jquery.validate.unobtrusive.custom.js
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cookiecookie.js
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jquery.breakpointwatcher.js
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jquery.breakpointwatcher-init.js
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jquery.randomizeIds.js
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jquery.responsivecontent.js
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jquery.flexslider-min.js
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jquery.flexslider-init.js
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jquery.toggle.js
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jquery.closable.js
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jquery.colorbox-min.js
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colorbox-init.js
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forms.js
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addthis_widget.js
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jquery.listcolumns.js
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iframeMessageReceiver.js
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maps.js
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sitemap.js
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pikaday.js
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highstock.js
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charts.js
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default.js
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bg-body.gif
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logo-rhdhv-small.jpg
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logo-rhdhv-large.jpg
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rhdhv-icons.woff
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analytics.js
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service-3_tunnels_pushbox_hongkong_macau.jpg
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service-2_ports_pushbox_aeriel%20photo-boubyan.jpg
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service-1_aviation_pushbox_2223_fp516466-foster-partners.jpg
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service-5_light_industry_pushbox_a-masterplan.jpg
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service-4_water_pushbox_orio_dsc00799.jpg
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service-6_flood_reduction_pushbox_somerset-level-flooding-thinkstock.jpg
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royalhaskoningdhv.com accessibility score
ARIA
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.
Impact
Issue
ARIA input fields do not have accessible names
[role]s do not have all required [aria-*] attributes
[aria-*] attributes do not have valid values
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
<object> elements do not have alternate text
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
royalhaskoningdhv.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
royalhaskoningdhv.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Document uses plugins
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Royalhaskoningdhv.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Royalhaskoningdhv.com 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.
royalhaskoningdhv.com
Open Graph description is not detected on the main page of Royal HaskoningDHV. 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: