12.3 sec in total
3.9 sec
7.8 sec
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Welcome to deltaressystems.com homepage info - get ready to check Deltares Systems best content right away, or after learning these important things about deltaressystems.com
We develop a broad range of simulation software and rapid assessment tools for hydraulic, morphodynamic and geotechnical studies.
Visit deltaressystems.comWe analyzed Deltaressystems.com page load time and found that the first response time was 3.9 sec and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
deltaressystems.com performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value6.3 s
10/100
25%
Value15.9 s
0/100
10%
Value7,720 ms
0/100
30%
Value0
100/100
15%
Value17.8 s
4/100
10%
3863 ms
108 ms
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283 ms
291 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Deltaressystems.com, 5% (3 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.9 sec) relates to the external source Deltares.nl.
Page size can be reduced by 609.6 kB (64%)
952.2 kB
342.6 kB
In fact, the total size of Deltaressystems.com main page is 952.2 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 413.9 kB which makes up the majority of the site volume.
Potential reduce by 56.2 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 56.2 kB or 80% of the original size.
Potential reduce by 104.1 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. Obviously, Deltares Systems needs image optimization as it can save up to 104.1 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 304.3 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 304.3 kB or 74% of the original size.
Potential reduce by 145.0 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. Deltaressystems.com needs all CSS files to be minified and compressed as it can save up to 145.0 kB or 84% of the original size.
Number of requests can be reduced by 25 (42%)
59
34
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deltares Systems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
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deltaressystems.com accessibility score
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
deltaressystems.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
deltaressystems.com SEO score
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deltaressystems.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 Deltaressystems.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.
deltaressystems.com
Open Graph data is detected on the main page of Deltares Systems. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: