3.1 sec in total
107 ms
2.9 sec
145 ms
Visit challenge.com now to see the best up-to-date Challenge content for Vietnam and also check out these interesting facts you probably never knew about challenge.com
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Visit challenge.comWe analyzed Challenge.com page load time and found that the first response time was 107 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
challenge.com performance score
name
value
score
weighting
Value3.5 s
35/100
10%
Value6.9 s
7/100
25%
Value7.6 s
26/100
10%
Value2,010 ms
8/100
30%
Value0.017
100/100
15%
Value15.4 s
7/100
10%
107 ms
638 ms
32 ms
70 ms
114 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 60% of them (41 requests) were addressed to the original Challenge.com, 6% (4 requests) were made to Sync.vmweb.net and 4% (3 requests) were made to Api.vmweb.net. The less responsive or slowest element that took the longest time to load (693 ms) belongs to the original domain Challenge.com.
Page size can be reduced by 865.4 kB (66%)
1.3 MB
450.1 kB
In fact, the total size of Challenge.com main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 882.8 kB which makes up the majority of the site volume.
Potential reduce by 43.9 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 43.9 kB or 70% of the original size.
Potential reduce by 41 B
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. Challenge images are well optimized though.
Potential reduce by 590.2 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 590.2 kB or 67% of the original size.
Potential reduce by 231.3 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. Challenge.com needs all CSS files to be minified and compressed as it can save up to 231.3 kB or 85% of the original size.
Number of requests can be reduced by 44 (75%)
59
15
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Challenge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
challenge.com
107 ms
challenge.com
638 ms
default.css
32 ms
jquery.ui.css
70 ms
bootstrap.css
114 ms
carousel.css
93 ms
bootstrap-responsive.css
200 ms
nav.css
98 ms
font-awesome.css
50 ms
groups.css
95 ms
jquery.js
128 ms
jquery.ui.js
171 ms
jquery.ajaxupload.js
124 ms
jquery.isotope.min.js
127 ms
jquery.mousewheel.js
138 ms
jquery.placeholder.js
146 ms
jquery.scrollTo-1.4.3-min.js
158 ms
jquery.localscroll-1.2.7-min.js
156 ms
jquery.fitvids.min.js
164 ms
date.format.js
171 ms
addthis_widget.js
67 ms
24571242
319 ms
load
693 ms
bootstrap-transition.js
184 ms
bootstrap-alert.js
329 ms
bootstrap-modal.js
244 ms
bootstrap-dropdown.js
315 ms
bootstrap-scrollspy.js
321 ms
bootstrap-tab.js
322 ms
bootstrap-tooltip.js
321 ms
bootstrap-popover.js
323 ms
bootstrap-button.js
322 ms
bootstrap-collapse.js
324 ms
bootstrap-carousel.js
323 ms
bootstrap-typeahead.js
324 ms
challenge_logo.png
60 ms
home_p10.jpg
59 ms
home_entertowin.jpg
59 ms
home_voting.jpg
67 ms
home_timeline.jpg
129 ms
logo-vi.png
128 ms
all.js
100 ms
identity.min.js
65 ms
home_group_hdr.jpg
146 ms
ga.js
101 ms
_Incapsula_Resource
71 ms
300lo.json
105 ms
fontawesome-webfont.woff
11 ms
sh.7c7179124ea24ac6ba46caac.html
41 ms
beacon.html
154 ms
_Incapsula_Resource
109 ms
195 ms
__utm.gif
29 ms
xd_arbiter.php
122 ms
appnexus
345 ms
pixel
57 ms
2
448 ms
2
374 ms
pixel
18 ms
doubleclick
298 ms
sync
349 ms
sync
80 ms
event.gif
354 ms
event
162 ms
401166.gif
11 ms
401176.gif
7 ms
event_error.gif
375 ms
xd_arbiter.php
20 ms
challenge.com 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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
ARIA IDs are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
challenge.com 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
Registers an unload listener
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
challenge.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Challenge.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Challenge.com 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.
challenge.com
Open Graph description is not detected on the main page of Challenge. 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: