2.1 sec in total
276 ms
1.7 sec
124 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 276 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
marathonrotterdam.org performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value0
0/100
25%
Value8.0 s
22/100
10%
Value0
0/100
30%
Value0
100/100
15%
Value0
0/100
10%
276 ms
395 ms
116 ms
191 ms
41 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Marathonrotterdam.org, 64% (14 requests) were made to Combell.com and 9% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (549 ms) relates to the external source Combell.com.
Page size can be reduced by 14.1 kB (3%)
430.9 kB
416.8 kB
In fact, the total size of Marathonrotterdam.org main page is 430.9 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. 25% of websites need less resources to load. Javascripts take 249.8 kB which makes up the majority of the site volume.
Potential reduce by 531 B
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 531 B or 47% of the original size.
Potential reduce by 13.4 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 13.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 75 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 105 B
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 has all CSS files already compressed.
Number of requests can be reduced by 12 (67%)
18
6
The browser has sent 18 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 13 to 1 for JavaScripts and as a result speed up the page load time.
marathonrotterdam.org
276 ms
395 ms
domain
116 ms
css.d918bf34.css
191 ms
api.js
41 ms
runtime.8d843e9d.js
275 ms
9755.c964f554.js
364 ms
5169.df92f2c9.js
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9257.ed79e835.js
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9458.a64aaf55.js
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js.bf63fce2.js
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css2
47 ms
gtm.js
107 ms
gtm.js
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j.php
50 ms
jasperc.png
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jasperc.png
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pxiByp8kv8JHgFVrLEj6V1g.woff
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pxiEyp8kv8JHgFVrFJM.woff
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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
<frame> or <iframe> elements do not have a title
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
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Page has valid source maps
marathonrotterdam.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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 Marathonrotterdam.org 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 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 description is not detected on the main page of Marathon Rotterdam. 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: