Access bigtentamsterdam.nl.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value3,130 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

bigtentamsterdam.nl

309 ms

www.vanhollandgroup.nl

689 ms

c590f35447b44764ec957d87a5b86c64.css

464 ms

css

33 ms

post-12871.css

270 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Bigtentamsterdam.nl, 76% (99 requests) were made to Vanhollandgroup.nl and 10% (13 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Vanhollandgroup.nl.

Content Size

2.9 MB

After Optimization

2.5 MB

In fact, the total size of Bigtentamsterdam.nl main page is 2.9 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. 70% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 309.5 kB

Original 366.7 kB
After minification 336.2 kB
After compression 57.2 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 309.5 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 123.7 kB

Original 2.6 MB
After minification 2.4 MB

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. Bigtentamsterdam images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 241 B

Original 22.9 kB
After minification 22.9 kB
After compression 22.7 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. This website has mostly compressed JavaScripts.

Requests Now

117

After Optimization

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bigtentamsterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[role]s do not have all required [aria-*] attributes

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

N/A
Language Claimed

NL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bigtentamsterdam.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Dutch. Our system also found out that Bigtentamsterdam.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.

Social Sharing Optimization

Open Graph data is detected on the main page of Bigtentamsterdam. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: