Tools & Wizards About Us

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

presenterswall.nl

PresentersWall - Interactie app bij jouw offline of online evenement

Page Load Speed

3.5 sec in total

First Response

384 ms

Resources Loaded

2.7 sec

Page Rendered

449 ms

About Website

Welcome to presenterswall.nl homepage info - get ready to check Presenters Wall best content right away, or after learning these important things about presenterswall.nl

Ga de interactie aan met je publiek. Ze live laten stemmen of reageren tijdens een evenement? Dat kan met PresentersWall. Ons team van experts op het gebied van online interactie helpt jou mee jouw ev...

Visit presenterswall.nl

Key Findings

We analyzed Presenterswall.nl page load time and found that the first response time was 384 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

presenterswall.nl performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value3.5 s

89/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

presenterswall.nl

384 ms

presenterswall.nl

540 ms

main.js

440 ms

main.css

275 ms

gtm.js

113 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 55% of them (24 requests) were addressed to the original Presenterswall.nl, 43% (19 requests) were made to Images.ctfassets.net and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Presenterswall.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 44.2 kB (6%)

Content Size

784.3 kB

After Optimization

740.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Presenterswall.nl main page is 784.3 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. 50% of websites need less resources to load. Images take 656.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 37.4 kB

  • Original 42.8 kB
  • After minification 29.4 kB
  • After compression 5.4 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 13.4 kB, which is 31% 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 37.4 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 6.7 kB

  • Original 656.1 kB
  • After minification 649.4 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. Presenters Wall images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 74.3 kB
  • After minification 74.3 kB
  • After compression 74.3 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

-0%

Potential reduce by 25 B

  • Original 11.1 kB
  • After minification 11.1 kB
  • After compression 11.0 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. Presenterswall.nl has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Presenters Wall. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

presenterswall.nl accessibility score

70

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 have valid values

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 [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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

presenterswall.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

presenterswall.nl SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

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