Tools & Wizards About Us
rotterdamunlimited.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

rotterdamunlimited.com

Rotterdam Unlimited Zomercarnaval | rotterdamunlimited.nl

Page Load Speed

3.5 sec in total

First Response

55 ms

Resources Loaded

3 sec

Page Rendered

365 ms

rotterdamunlimited.com screenshot

About Website

Click here to check amazing Rotterdam Unlimited content for Netherlands. Otherwise, check out these important facts you probably never knew about rotterdamunlimited.com

Rotterdam Unlimited is het grootste, meest uitbundige en veelkleurige straatfestival van Europa waar alle culturen samenkomen.

Visit rotterdamunlimited.com

Key Findings

We analyzed Rotterdamunlimited.com page load time and found that the first response time was 55 ms and then it took 3.4 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

rotterdamunlimited.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

rotterdamunlimited.com

55 ms

rotterdamunlimited.com

781 ms

style.css

292 ms

font-awesome.min.css

43 ms

animate.min.css

35 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 89% of them (40 requests) were addressed to the original Rotterdamunlimited.com, 2% (1 request) were made to Stackpath.bootstrapcdn.com and 2% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Rotterdamunlimited.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 356.2 kB (20%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rotterdamunlimited.com main page is 1.8 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. 25% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 20.0 kB

  • Original 25.1 kB
  • After minification 17.8 kB
  • After compression 5.1 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 7.2 kB, which is 29% 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 20.0 kB or 80% of the original size.

Image Optimization

-19%

Potential reduce by 335.9 kB

  • Original 1.7 MB
  • After minification 1.4 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. Obviously, Rotterdam Unlimited needs image optimization as it can save up to 335.9 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 268 B

  • Original 48.2 kB
  • After minification 48.2 kB
  • After compression 47.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 5 B

  • Original 12.5 kB
  • After minification 12.5 kB
  • After compression 12.5 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. Rotterdamunlimited.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (43%)

Requests Now

40

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rotterdam Unlimited. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rotterdamunlimited.com

rotterdamunlimited.com

55 ms

rotterdamunlimited.com

rotterdamunlimited.com

781 ms

style.css

style.css

292 ms

font-awesome.min.css

font-awesome.min.css

43 ms

animate.min.css

animate.min.css

35 ms

bbx6dgd.css

bbx6dgd.css

95 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

318 ms

email-decode.min.js

email-decode.min.js

30 ms

bootstrap.min.js

bootstrap.min.js

367 ms

jquery.countdown.min.js

jquery.countdown.min.js

378 ms

custom.js

custom.js

367 ms

p.css

p.css

27 ms

gtm.js

gtm.js

82 ms

menu-open.svg

menu-open.svg

295 ms

menu1.png

menu1.png

113 ms

logo-full-black.svg

logo-full-black.svg

312 ms

menu-sluit.svg

menu-sluit.svg

321 ms

menu2.png

menu2.png

307 ms

patterns-03.svg

patterns-03.svg

340 ms

patterns-02.svg

patterns-02.svg

686 ms

button-arrow-right.svg

button-arrow-right.svg

583 ms

overzichtfoto-2_resize_2023-01-18-161900_fizw.jpg

overzichtfoto-2_resize_2023-01-18-161900_fizw.jpg

619 ms

logo-full-white.svg

logo-full-white.svg

605 ms

homepage-block.svg

homepage-block.svg

612 ms

BoD_website2.jpg

BoD_website2.jpg

644 ms

datum.svg

datum.svg

875 ms

square.png

square.png

916 ms

RUZ_beeld_pb.jpg

RUZ_beeld_pb.jpg

915 ms

fb-icon-black.svg

fb-icon-black.svg

728 ms

twitter-icon-black.svg

twitter-icon-black.svg

949 ms

insta-icon-black.svg

insta-icon-black.svg

978 ms

patterns-05.svg

patterns-05.svg

1039 ms

patterns-01.svg

patterns-01.svg

1174 ms

subsribe-icon-magenta.svg

subsribe-icon-magenta.svg

1223 ms

fb-icon-magenta.svg

fb-icon-magenta.svg

1205 ms

twitter-icon-magenta.svg

twitter-icon-magenta.svg

1239 ms

insta-icon-magenta.svg

insta-icon-magenta.svg

1277 ms

rotterdam-festivals.png

rotterdam-festivals.png

1353 ms

gemeente_rotterdam.png

gemeente_rotterdam.png

1472 ms

partners3.png

partners3.png

1585 ms

partners2.png

partners2.png

1525 ms

anbi.png

anbi.png

1541 ms

Futura%20Condensed%20Extra%20Bold.otf

Futura%20Condensed%20Extra%20Bold.otf

1455 ms

Futura%20Heavy%20font.ttf

Futura%20Heavy%20font.ttf

1712 ms

futura%20light%20bt.ttf

futura%20light%20bt.ttf

1818 ms

Accessibility Review

rotterdamunlimited.com accessibility score

74

Accessibility Issues

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rotterdamunlimited.com 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

High

Page has valid source maps

SEO Factors

rotterdamunlimited.com SEO score

93

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

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 Rotterdamunlimited.com 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 Rotterdamunlimited.com 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

rotterdamunlimited.com

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