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Welcome to royalhaskoning.com homepage info - get ready to check Royal Haskoning best content right away, or after learning these important things about royalhaskoning.com
Our consulting engineers specialise in sustainable engineering consultancy, ensuring your projects contribute to a greener future.
Visit royalhaskoning.comWe analyzed Royalhaskoning.com page load time and found that the first response time was 661 ms and then it took 160 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
royalhaskoning.com performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value13.2 s
0/100
25%
Value29.5 s
0/100
10%
Value2,530 ms
4/100
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Value0.072
96/100
15%
Value31.7 s
0/100
10%
661 ms
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Our browser made a total of 178 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Royalhaskoning.com, 3% (6 requests) were made to Cdn.cookielaw.org and 3% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (11.7 sec) relates to the external source Google-analytics.com.
Page size can be reduced by 501.3 kB (13%)
3.8 MB
3.3 MB
In fact, the total size of Royalhaskoning.com main page is 3.8 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.9 MB which makes up the majority of the site volume.
Potential reduce by 238.7 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 238.7 kB or 79% of the original size.
Potential reduce by 10.9 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 Haskoning images are well optimized though.
Potential reduce by 146.5 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 146.5 kB or 33% of the original size.
Potential reduce by 105.2 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. Royalhaskoning.com needs all CSS files to be minified and compressed as it can save up to 105.2 kB or 61% of the original size.
Number of requests can be reduced by 151 (86%)
176
25
The browser has sent 176 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Royal Haskoning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 106 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
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royalhaskoning.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>).
royalhaskoning.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
royalhaskoning.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Royalhaskoning.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Royalhaskoning.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.
royalhaskoning.com
Open Graph data is detected on the main page of Royal Haskoning. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: