2.4 sec in total
338 ms
1.7 sec
289 ms
Visit qtcentre.org now to see the best up-to-date Qt Centre content for United States and also check out these interesting facts you probably never knew about qtcentre.org
This is a discussion forum run by Qt Centre --- the Ultimate Qt community site.
Visit qtcentre.orgWe analyzed Qtcentre.org page load time and found that the first response time was 338 ms and then it took 2 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.
qtcentre.org performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value6.1 s
12/100
25%
Value6.0 s
47/100
10%
Value190 ms
90/100
30%
Value0.048
99/100
15%
Value6.6 s
58/100
10%
338 ms
174 ms
172 ms
261 ms
187 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 96% of them (47 requests) were addressed to the original Qtcentre.org, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (531 ms) belongs to the original domain Qtcentre.org.
Page size can be reduced by 287.7 kB (66%)
433.5 kB
145.8 kB
In fact, the total size of Qtcentre.org main page is 433.5 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 216.3 kB which makes up the majority of the site volume.
Potential reduce by 59.0 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 8.6 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 59.0 kB or 82% of the original size.
Potential reduce by 1.4 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. Qt Centre images are well optimized though.
Potential reduce by 140.4 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 140.4 kB or 65% of the original size.
Potential reduce by 86.9 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. Qtcentre.org needs all CSS files to be minified and compressed as it can save up to 86.9 kB or 82% of the original size.
Number of requests can be reduced by 36 (75%)
48
12
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qt Centre. 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.
338 ms
yuiloader-dom-event.js
174 ms
connection-min.js
172 ms
vbulletin-core.js
261 ms
main-rollup.css
187 ms
cms-rollup.css
185 ms
vbulletin_overlay.js
183 ms
vbulletin_cms.js
255 ms
vbulletin_ajax_htmlloader.js
258 ms
vbulletin_md5.js
296 ms
treeview-min.js
296 ms
vbulletin_lightbox.js
351 ms
ga.js
35 ms
gradient-grey-down.png
87 ms
QtCentre.png
90 ms
search.png
91 ms
navbit-home.png
87 ms
sections.png
89 ms
categories.png
138 ms
widget-forum.png
173 ms
unknown.gif
174 ms
lastpost-right.png
176 ms
image.php
197 ms
box.png
176 ms
rss_40b.png
221 ms
profile.png
262 ms
forum.png
264 ms
blog.png
265 ms
article.png
265 ms
read_more-right.png
284 ms
qt3.png
304 ms
collapse_40b.png
343 ms
x11.png
343 ms
linemb.png
346 ms
windows.png
349 ms
macosx.png
371 ms
qt4.png
387 ms
s60.png
428 ms
qtcreator.png
428 ms
widget-rss.png
431 ms
gradient-white-down-sm.png
412 ms
selected-tab-gradient-with-top-alpha.png
433 ms
navbit-arrow-right.png
444 ms
treeview.css
481 ms
__utm.gif
12 ms
top-highlight.png
518 ms
gradient-black-down.png
531 ms
generic_button.png
88 ms
newbtn_middle.png
90 ms
qtcentre.org accessibility score
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
Some elements have a [tabindex] value greater than 0
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
Image elements do not have [alt] attributes
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
qtcentre.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
qtcentre.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Qtcentre.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Qtcentre.org 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.
qtcentre.org
Open Graph description is not detected on the main page of Qt Centre. 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: