Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

amsterdamroest.nl

Web Server's Default Page

Page Load Speed

4.8 sec in total

First Response

281 ms

Resources Loaded

3.6 sec

Page Rendered

847 ms

amsterdamroest.nl screenshot

About Website

Welcome to amsterdamroest.nl homepage info - get ready to check Amsterdamroest best content for Netherlands right away, or after learning these important things about amsterdamroest.nl

Een creatieve vrijplaats. Een experiment dat openstaat voor originele ideeën. Roest is minimalistisch, maar wel warm. Roest nodigt je uit om zelf bij te dragen.

Visit amsterdamroest.nl

Key Findings

We analyzed Amsterdamroest.nl page load time and found that the first response time was 281 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

amsterdamroest.nl performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

amsterdamroest.nl

281 ms

www.amsterdamroest.nl

568 ms

jquery.min.js

5 ms

bs.js

180 ms

featherlight.js

274 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 93% of them (41 requests) were addressed to the original Amsterdamroest.nl, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Amsterdamroest.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 406.6 kB (2%)

Content Size

19.2 MB

After Optimization

18.8 MB

In fact, the total size of Amsterdamroest.nl main page is 19.2 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. 60% of websites need less resources to load. Images take 19.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 26.8 kB

  • Original 35.4 kB
  • After minification 34.1 kB
  • After compression 8.6 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 26.8 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 334.0 kB

  • Original 19.1 MB
  • After minification 18.8 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. Amsterdamroest images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 21.5 kB

  • Original 44.4 kB
  • After minification 33.4 kB
  • After compression 22.9 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 21.5 kB or 49% of the original size.

CSS Optimization

-80%

Potential reduce by 24.3 kB

  • Original 30.4 kB
  • After minification 27.2 kB
  • After compression 6.1 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. Amsterdamroest.nl needs all CSS files to be minified and compressed as it can save up to 24.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (11%)

Requests Now

37

After Optimization

33

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amsterdamroest. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

amsterdamroest.nl accessibility score

64

Accessibility Issues

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

High

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

amsterdamroest.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

amsterdamroest.nl SEO score

88

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 Amsterdamroest.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 Amsterdamroest.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 Amsterdamroest. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: