Access presenterswall.nl. PresentersWall - Interactie app bij jouw offline of online evenement

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%

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.

Content Size

784.3 kB

After Optimization

740.2 kB

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 Now

After Optimization

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.

Accessibility Issues

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.

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

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

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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

presenterswall.nl

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

PresentersWall - Interactie app bij jouw offline of online evenement

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

presenterswall.nl

presenterswall.nl

main.js

main.css

gtm.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

presenterswall.nl

presenterswall.nl

main.js

main.css

gtm.js

Visual_voting_3x.webp

presenterswall-logo-color.svg

bg.png

question.svg

presenterswall-logo-white.svg

footer_icon_facebooksvg.svg

footer_icon_instagramsvg.svg

logo_livewall_circle.png

Visual_q_a_3x.webp

Visual_mobile-eventpage_3x.webp

Hotspot-Workflow-Versie-2-13.gif

Adidas_Logo.webp

Coca-Cola_logo.webp

KLM_logo.svg.webp

o_1828.webp

UniversiteitLeidenLogo.svg.webp

logo-RVO.webp

Header_image_Case_Holland_Casino.png

Case_Partou_Beursactivatie_User_Paced_Quiz__1_.webp

AZ_Cover_Image_3.png

KLM_Case_Visual_2.png

teamlidl_LidlNext_Case_Presenterswall.webp

Huis_van_Oranje_Fan_KNVB_Juichend.webp

NATHANREINDS-Topdesk-SEE-HR-21.webp

efteling_familie_quiz.webp

screen.andgage.io__token_eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY2NvdW50SWQiOiIxODU5IiwidHlwZSI6InNjcmVlbiJ9.SRcYJ1v_sFGx.webp

ajax-loader.gif

Overpass-Regular.woff

Overpass-Light.woff

Overpass-Bold.woff

Overpass-Black.woff

Chivo-Black.woff

Chivo-Bold.woff

lw-fontello-icons.woff

Overpass-Italic.woff

Overpass-LightItalic.woff

Overpass-BoldItalic.woff

Overpass-BlackItalic.woff