Access forum.vuurwerkcrew.nl. Vuurwerkcrew.nl

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value2,160 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value8.7 s

37/100

10%

forum.vuurwerkcrew.nl

1018 ms

yuiloader-dom-event.js

10 ms

connection-min.js

192 ms

vbulletin-core.js

283 ms

css.php

335 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 70% of them (40 requests) were addressed to the original Forum.vuurwerkcrew.nl, 21% (12 requests) were made to Vuurwerkcrew.nl and 4% (2 requests) were made to Fotoalbum.vuurwerkcrew.nl. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Forum.vuurwerkcrew.nl.

Content Size

1.1 MB

After Optimization

511.0 kB

In fact, the total size of Forum.vuurwerkcrew.nl main page is 1.1 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. 50% of websites need less resources to load. Images take 436.0 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 380.9 kB

Original 417.4 kB
After minification 374.9 kB
After compression 36.5 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 380.9 kB or 91% of the original size.

Image Optimization

-9%

Potential reduce by 37.1 kB

Original 436.0 kB
After minification 399.0 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. Forum Vuurwerkcrew images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 94.1 kB

Original 153.9 kB
After minification 152.6 kB
After compression 59.7 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 94.1 kB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 92.5 kB

Original 108.4 kB
After minification 84.3 kB
After compression 15.9 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. Forum.vuurwerkcrew.nl needs all CSS files to be minified and compressed as it can save up to 92.5 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Forum Vuurwerkcrew. 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 as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Registers an unload listener

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

Language and Encoding

Language Detected

N/A
Language Claimed

NL
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Forum.vuurwerkcrew.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 Forum.vuurwerkcrew.nl main page’s claimed encoding is iso-8859-1. 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

forum.vuurwerkcrew.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Vuurwerkcrew.nl - Forum

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

forum.vuurwerkcrew.nl

yuiloader-dom-event.js

connection-min.js

vbulletin-core.js

css.php

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

forum.vuurwerkcrew.nl

yuiloader-dom-event.js

connection-min.js

vbulletin-core.js

css.php

vbulletin_read_marker.js

css.php

css.php

vbulletin_md5.js

Rubro_468x70.jpg

gallery_stats.png

banner_zenavuurwerk_200x70.jpg

background.jpg

wrapper.jpg

logo.jpg

navigation.jpg

navigation_default_1.jpg

navigation_default_2.jpg

search.png

navbit-home.png

collapse_40b.png

forum_old-48.png

lastpost-right.png

photo.png

subforum_old-48.png

icon1.png

users_online.png

forum_stats.png

birthday.png

legend.png

forum_new-16.png

forum_old-16.png

category-16.png

forum_link-16.png

cron.php

banner_gbvweco_200x70px.jpg

banner_lesli_200x70.jpg

Wolff_Vuurwerkland_2015_200x70.gif

banner_burnit_200x70.jpg

BKVbanner_200x70.jpg

Original_Fireworks_200x70.gif

Vulcan_Europe_200x70.jpg

Vuurwerkmania_200x60.gif