2.9 sec in total
263 ms
2.4 sec
168 ms
Welcome to marathonrotterdam.org homepage info - get ready to check Marathon Rotterdam best content right away, or after learning these important things about marathonrotterdam.org
Every year in the first weekend of April the NN Marathon Rotterdam takes place. The world’s top athletes as well as thousands of runners from home and abroad get to experience what it’s like to finish...
Visit marathonrotterdam.orgWe analyzed Marathonrotterdam.org page load time and found that the first response time was 263 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
marathonrotterdam.org performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value7.9 s
3/100
25%
Value12.7 s
3/100
10%
Value230 ms
86/100
30%
Value0.041
99/100
15%
Value16.4 s
5/100
10%
263 ms
523 ms
173 ms
175 ms
171 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Marathonrotterdam.org, 87% (40 requests) were made to Nnmarathonrotterdam.org and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (778 ms) relates to the external source Nnmarathonrotterdam.org.
Page size can be reduced by 145.9 kB (20%)
745.7 kB
599.8 kB
In fact, the total size of Marathonrotterdam.org main page is 745.7 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. 30% of websites need less resources to load. Images take 622.5 kB which makes up the majority of the site volume.
Potential reduce by 10.9 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 10.9 kB or 72% of the original size.
Potential reduce by 66.5 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, Marathon Rotterdam needs image optimization as it can save up to 66.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 49.1 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 49.1 kB or 59% of the original size.
Potential reduce by 19.3 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. Marathonrotterdam.org needs all CSS files to be minified and compressed as it can save up to 19.3 kB or 79% of the original size.
Number of requests can be reduced by 15 (35%)
43
28
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Marathon Rotterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
www.marathonrotterdam.org
263 ms
www.nnmarathonrotterdam.org
523 ms
index.min.css
173 ms
responsive.min.css
175 ms
marathon-rotterdamGB-2.css
171 ms
jquery.min.js
34 ms
dogear.css
191 ms
dogear.js
191 ms
home.min.js
364 ms
default.min.js
251 ms
mobile.js
309 ms
mobile.js
330 ms
ga.js
18 ms
body-background-158.gif
778 ms
nnmarathonrotterdam-logo-522.gif
263 ms
iaaf-gold-label.png
260 ms
en_search-button.gif
89 ms
sprite.png
180 ms
de.jpg
94 ms
es.jpg
176 ms
fr.jpg
179 ms
it.jpg
263 ms
nl.jpg
268 ms
facebook.gif
265 ms
instagram-icon.gif
349 ms
twitter.gif
349 ms
inschrijven.png
436 ms
column_mr_en.png
521 ms
heartbeat5_Home%20Item.jpg
355 ms
marathon-zat_2414_Home%20Item.jpg
430 ms
bhwtcbeursmarathon001_Home%20Item.jpg
436 ms
ImageGen.ashx
445 ms
ImageGen.ashx
519 ms
ImageGen.ashx
527 ms
ImageGen.ashx
528 ms
ImageGen.ashx
534 ms
ImageGen.ashx
607 ms
__utm.gif
13 ms
en_read-more.gif
586 ms
background.gif
591 ms
spritex.png
590 ms
slider-10.jpg
710 ms
bhmarathonzaterdag07.jpg
603 ms
slider-11.jpg
603 ms
mr-2015_1095.jpg
522 ms
bhnnmarathonrotterdam061.jpg
694 ms
marathonrotterdam.org 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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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.
marathonrotterdam.org 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
Missing source maps for large first-party JavaScript
marathonrotterdam.org 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
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 doesn't use legible font sizes
EN
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Marathonrotterdam.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Marathonrotterdam.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.
marathonrotterdam.org
Open Graph data is detected on the main page of Marathon Rotterdam. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: