Tools & Wizards About Us

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

amsterdamonline.nl

Amsterdam Online, vindt wat u zoekt in Amsterdam en omgeving

Page Load Speed

2 sec in total

First Response

287 ms

Resources Loaded

1.6 sec

Page Rendered

100 ms

About Website

Visit amsterdamonline.nl now to see the best up-to-date Amsterdam Online content and also check out these interesting facts you probably never knew about amsterdamonline.nl

Amsterdamonline, de lokale bedrijvengids voor de regio Amsterdam. Vindt wat u zoekt in Amsterdam en omgeving.

Visit amsterdamonline.nl

Key Findings

We analyzed Amsterdamonline.nl page load time and found that the first response time was 287 ms and then it took 1.7 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.

Performance Metrics

amsterdamonline.nl performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

amsterdamonline.nl

287 ms

amsterdamonline.nl

234 ms

www.amsterdamonline.nl

444 ms

main.css

16 ms

Amsterdam.css

36 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 88% of them (29 requests) were addressed to the original Amsterdamonline.nl, 6% (2 requests) were made to Connect.facebook.net and 6% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (444 ms) belongs to the original domain Amsterdamonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.6 kB (11%)

Content Size

232.5 kB

After Optimization

206.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Amsterdamonline.nl main page is 232.5 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. 15% of websites need less resources to load. Images take 132.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 18.6 kB

  • Original 24.5 kB
  • After minification 23.2 kB
  • After compression 5.9 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 18.6 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 4.9 kB

  • Original 132.4 kB
  • After minification 127.5 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. Amsterdam Online images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 288 B

  • Original 68.6 kB
  • After minification 68.6 kB
  • After compression 68.3 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.

CSS Optimization

-40%

Potential reduce by 2.8 kB

  • Original 7.0 kB
  • After minification 4.9 kB
  • After compression 4.2 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. Amsterdamonline.nl needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (20%)

Requests Now

30

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amsterdam Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

amsterdamonline.nl accessibility score

78

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Best Practices

amsterdamonline.nl best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

amsterdamonline.nl SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Amsterdamonline.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Amsterdamonline.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 description is not detected on the main page of Amsterdam Online. 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: