Tools & Wizards About Us
beleefrotterdam.nl screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

beleefrotterdam.nl

404 Not Found

Page Load Speed

3.9 sec in total

First Response

381 ms

Resources Loaded

3.4 sec

Page Rendered

118 ms

beleefrotterdam.nl screenshot

About Website

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

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Visit beleefrotterdam.nl

Key Findings

We analyzed Beleefrotterdam.nl page load time and found that the first response time was 381 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

beleefrotterdam.nl performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value6,210 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

beleefrotterdam.nl

381 ms

rotterdam.css

178 ms

jquery-1.5.js

881 ms

show_ads.js

6 ms

jquery.min.js

5 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 10% of them (5 requests) were addressed to the original Beleefrotterdam.nl, 33% (16 requests) were made to Img.crio.nl and 13% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Img.crio.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 393.0 kB (20%)

Content Size

2.0 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Beleefrotterdam.nl main page is 2.0 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. 35% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 39.2 kB

  • Original 47.0 kB
  • After minification 36.2 kB
  • After compression 7.8 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 10.8 kB, which is 23% 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 39.2 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 128.7 kB

  • Original 1.6 MB
  • After minification 1.5 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. Beleefrotterdam images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 212.6 kB

  • Original 302.5 kB
  • After minification 213.1 kB
  • After compression 89.9 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 212.6 kB or 70% of the original size.

CSS Optimization

-91%

Potential reduce by 12.5 kB

  • Original 13.7 kB
  • After minification 11.7 kB
  • After compression 1.2 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. Beleefrotterdam.nl needs all CSS files to be minified and compressed as it can save up to 12.5 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (20%)

Requests Now

41

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Beleefrotterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

beleefrotterdam.nl

beleefrotterdam.nl

381 ms

rotterdam.css

rotterdam.css

178 ms

jquery-1.5.js

jquery-1.5.js

881 ms

show_ads.js

show_ads.js

6 ms

jquery.min.js

jquery.min.js

5 ms

stadsevenementen.gif

stadsevenementen.gif

340 ms

rotterdam.jpg

rotterdam.jpg

357 ms

spacer.gif

spacer.gif

147 ms

bellen.jpg

bellen.jpg

463 ms

20120822155919_M_11261.png

20120822155919_M_11261.png

857 ms

nav_arrow_left2.png

nav_arrow_left2.png

261 ms

closenew.png

closenew.png

283 ms

spacer.gif

spacer.gif

239 ms

nav_arrow_right2.png

nav_arrow_right2.png

261 ms

20120822155953_M_11261.png

20120822155953_M_11261.png

840 ms

20120822155845_M_11261.png

20120822155845_M_11261.png

870 ms

20120730121803_M_11261.jpg

20120730121803_M_11261.jpg

798 ms

20120309112920_M_9965.jpg

20120309112920_M_9965.jpg

714 ms

20120309112832_M_9965.jpg

20120309112832_M_9965.jpg

927 ms

20120309112722_M_9965.jpg

20120309112722_M_9965.jpg

1200 ms

20120309112647_M_9965.jpg

20120309112647_M_9965.jpg

1441 ms

20120423101949_M_9965.jpg

20120423101949_M_9965.jpg

1434 ms

20120423102028_M_9965.jpg

20120423102028_M_9965.jpg

1476 ms

20120423102050_M_9965.jpg

20120423102050_M_9965.jpg

1552 ms

20120423102140_M_9965.jpg

20120423102140_M_9965.jpg

1432 ms

20111114161256_M_9489.jpg

20111114161256_M_9489.jpg

1955 ms

20111114161055_M_9489.jpg

20111114161055_M_9489.jpg

2166 ms

20111114161001_M_9489.jpg

20111114161001_M_9489.jpg

2112 ms

20111114160519_M_9489.jpg

20111114160519_M_9489.jpg

2149 ms

ca-pub-2401939756826117.js

ca-pub-2401939756826117.js

54 ms

zrt_lookup.html

zrt_lookup.html

48 ms

show_ads_impl.js

show_ads_impl.js

63 ms

bg2.gif

bg2.gif

175 ms

overlay.png

overlay.png

226 ms

ads

ads

214 ms

osd.js

osd.js

3 ms

nav_arrow_left2.png

nav_arrow_left2.png

272 ms

nav_arrow_right2.png

nav_arrow_right2.png

269 ms

css

css

66 ms

m_js_controller.js

m_js_controller.js

33 ms

abg.js

abg.js

38 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

17 ms

s

s

11 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

29 ms

x_button_blue2.png

x_button_blue2.png

22 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

2 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

26 ms

activeview

activeview

14 ms

Accessibility Review

beleefrotterdam.nl accessibility score

59

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

beleefrotterdam.nl best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

beleefrotterdam.nl SEO score

62

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Beleefrotterdam.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 Beleefrotterdam.nl main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

beleefrotterdam.nl

Open Graph description is not detected on the main page of Beleefrotterdam. 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: