Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

013.nl

013 Poppodium Tilburg

Page Load Speed

2.4 sec in total

First Response

274 ms

Resources Loaded

1.8 sec

Page Rendered

354 ms

013.nl screenshot

About Website

Click here to check amazing 013 content for Netherlands. Otherwise, check out these important facts you probably never knew about 013.nl

Live concerten, dance- en clubavonden, non-pop programmering en activiteiten gericht op beginnende muzikanten: het unieke 013 in het hart van Tilburg is…

Visit 013.nl

Key Findings

We analyzed 013.nl page load time and found that the first response time was 274 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

013.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value2,710 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.104

88/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

013.nl

274 ms

www.013.nl

504 ms

d534753.css

195 ms

19910a2.js

185 ms

picturefill.min.js

190 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 64% of them (23 requests) were addressed to the original 013.nl, 8% (3 requests) were made to Staticxx.facebook.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (624 ms) belongs to the original domain 013.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 356.9 kB (42%)

Content Size

854.6 kB

After Optimization

497.6 kB

In fact, the total size of 013.nl main page is 854.6 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. 45% of websites need less resources to load. Javascripts take 415.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 25.3 kB

  • Original 32.5 kB
  • After minification 27.3 kB
  • After compression 7.1 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 5.2 kB, which is 16% 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 25.3 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 814 B

  • Original 338.0 kB
  • After minification 337.2 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. 013 images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 277.6 kB

  • Original 415.9 kB
  • After minification 415.9 kB
  • After compression 138.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 277.6 kB or 67% of the original size.

CSS Optimization

-78%

Potential reduce by 53.2 kB

  • Original 68.2 kB
  • After minification 68.1 kB
  • After compression 15.0 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. 013.nl needs all CSS files to be minified and compressed as it can save up to 53.2 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (31%)

Requests Now

29

After Optimization

20

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 013. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

013.nl accessibility score

86

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.

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 valid value for its [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

High

Links do not have a discernible name

Best Practices

013.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

013.nl SEO score

92

Search Engine Optimization Advices

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

    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 013.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 013.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 013. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: