9.4 sec in total
374 ms
8 sec
1.1 sec
Visit citysightseeingamsterdam.nl now to see the best up-to-date City Sightseeing Amsterdam content for Netherlands and also check out these interesting facts you probably never knew about citysightseeingamsterdam.nl
Hop on our Amsterdam bus tour and switch over to our Amsterdam boat tour for a complete sightseeing tour experience!
Visit citysightseeingamsterdam.nlWe analyzed Citysightseeingamsterdam.nl page load time and found that the first response time was 374 ms and then it took 9.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
citysightseeingamsterdam.nl performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value4.4 s
38/100
25%
Value13.8 s
1/100
10%
Value1,580 ms
12/100
30%
Value0.003
100/100
15%
Value24.2 s
0/100
10%
374 ms
377 ms
856 ms
504 ms
458 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Citysightseeingamsterdam.nl, 77% (51 requests) were made to Assets.berlin-city-tour.de and 17% (11 requests) were made to Berlin-city-tour.de. The less responsive or slowest element that took the longest time to load (5.6 sec) relates to the external source Assets.berlin-city-tour.de.
Page size can be reduced by 437.6 kB (16%)
2.8 MB
2.3 MB
In fact, the total size of Citysightseeingamsterdam.nl main page is 2.8 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. 50% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 408.0 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. This page needs HTML code to be minified as it can gain 52.5 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 408.0 kB or 88% of the original size.
Potential reduce by 1.4 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. City Sightseeing Amsterdam images are well optimized though.
Potential reduce by 28.2 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. Citysightseeingamsterdam.nl needs all CSS files to be minified and compressed as it can save up to 28.2 kB or 98% of the original size.
Number of requests can be reduced by 5 (8%)
59
54
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of City Sightseeing Amsterdam. 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 as a result speed up the page load time.
citysightseeingamsterdam.nl
374 ms
citysightseeingamsterdam.nl
377 ms
www.citysightseeingamsterdam.nl
856 ms
polyfills-legacy-CqBqymH0.js
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home-DqKWIJly.css
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app-BmjgnlbU.css
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app-legacy-D0KJfqms.js
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citysightseeingamsterdam.nl 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
<frame> or <iframe> elements do not have a title
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
citysightseeingamsterdam.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
citysightseeingamsterdam.nl 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
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 Citysightseeingamsterdam.nl 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 Citysightseeingamsterdam.nl 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.
citysightseeingamsterdam.nl
Open Graph data is detected on the main page of City Sightseeing Amsterdam. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: