4 sec in total
295 ms
3.5 sec
172 ms
Click here to check amazing Onserf De El content for United States. Otherwise, check out these important facts you probably never knew about onserfdeel.be
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Visit onserfdeel.beWe analyzed Onserfdeel.be page load time and found that the first response time was 295 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
onserfdeel.be performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value10.5 s
0/100
25%
Value9.0 s
14/100
10%
Value330 ms
75/100
30%
Value0.103
89/100
15%
Value9.3 s
32/100
10%
295 ms
1253 ms
23 ms
250 ms
331 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 74% of them (26 requests) were addressed to the original Onserfdeel.be, 11% (4 requests) were made to Google-analytics.com and 9% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Onserfdeel.be.
Page size can be reduced by 409.6 kB (51%)
811.0 kB
401.4 kB
In fact, the total size of Onserfdeel.be main page is 811.0 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. 35% of websites need less resources to load. Javascripts take 441.0 kB which makes up the majority of the site volume.
Potential reduce by 13.2 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 2.2 kB, which is 12% 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 13.2 kB or 73% of the original size.
Potential reduce by 12.9 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. Onserf De El images are well optimized though.
Potential reduce by 305.0 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 305.0 kB or 69% of the original size.
Potential reduce by 78.5 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. Onserfdeel.be needs all CSS files to be minified and compressed as it can save up to 78.5 kB or 77% of the original size.
Number of requests can be reduced by 14 (48%)
29
15
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onserf De El. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
onserfdeel.be
295 ms
en
1253 ms
css
23 ms
jquery_ui.css
250 ms
987e4c8704cafbd00d5dd12ba75c94b5.css
331 ms
a9f5dedebb6adfce4acc47488edbd5b0.css
171 ms
jquery.js
427 ms
jquery.ui.js
599 ms
5eb5c9948b6b8117ffab96f4a5784f34.js
171 ms
d7ebb76fdf4be1864178f6645c8a782d.js
381 ms
js.php
384 ms
b9868049ee1968e412eafcfbd2181086.js
418 ms
843931f307706c67fe3c763a9e4191c7.js
504 ms
js.php
611 ms
js.php
565 ms
analytics.js
50 ms
ga.js
50 ms
bg_books.png
489 ms
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413 ms
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476 ms
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cJZKeOuBrn4kERxqtaUH3bO3LdcAZYWl9Si6vvxL-qU.woff
35 ms
k3k702ZOKiLJc3WVjuplzKRDOzjiPcYnFooOUGCOsRk.woff
41 ms
sDRi4fY9bOiJUbgq53yZCXYhjbSpvc47ee6xR_80Hnw.woff
68 ms
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21 ms
__utm.gif
35 ms
onserfdeel.js
732 ms
all.js
302 ms
onserfdeel.be accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
onserfdeel.be best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
onserfdeel.be SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
NL
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onserfdeel.be can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Onserfdeel.be 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.
onserfdeel.be
Open Graph description is not detected on the main page of Onserf De El. 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: