1.8 sec in total
122 ms
1 sec
675 ms
Welcome to queuedev.acm.org homepage info - get ready to check Queue Dev ACM best content for China right away, or after learning these important things about queuedev.acm.org
Visit queuedev.acm.orgWe analyzed Queuedev.acm.org page load time and found that the first response time was 122 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
queuedev.acm.org performance score
name
value
score
weighting
Value2.4 s
70/100
10%
Value3.2 s
73/100
25%
Value2.4 s
98/100
10%
Value170 ms
92/100
30%
Value0
100/100
15%
Value4.8 s
79/100
10%
122 ms
74 ms
70 ms
53 ms
51 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 59% of them (26 requests) were addressed to the original Queuedev.acm.org, 34% (15 requests) were made to Deliveryimages.acm.org and 5% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (790 ms) relates to the external source Deliveryimages.acm.org.
Page size can be reduced by 226.7 kB (16%)
1.4 MB
1.2 MB
In fact, the total size of Queuedev.acm.org main page is 1.4 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 39.8 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 39.8 kB or 73% of the original size.
Potential reduce by 35.5 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. Queue Dev ACM images are well optimized though.
Potential reduce by 126.7 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 126.7 kB or 74% of the original size.
Potential reduce by 24.7 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. Queuedev.acm.org needs all CSS files to be minified and compressed as it can save up to 24.7 kB or 80% of the original size.
Number of requests can be reduced by 14 (37%)
38
24
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Queue Dev ACM. 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.
queuedev.acm.org
122 ms
cfmessage.js
74 ms
cfajax.js
70 ms
cfform.js
53 ms
masks.js
51 ms
cfformhistory.js
53 ms
style_a.css
81 ms
jquery-1.2.6.min.js
111 ms
jquery.validate.min.js
105 ms
global.js
89 ms
plusone.js
62 ms
ga_social_tracking.js
44 ms
cb=gapi.loaded_0
35 ms
pillai1.png
92 ms
maddox1.png
67 ms
green_fig1.png
79 ms
vandeursen1.png
120 ms
gunther1.png
79 ms
brook_tab2.png
327 ms
matsudaira1.png
204 ms
dowling1.png
156 ms
wang1.png
201 ms
petoff1.png
153 ms
rathbun1.png
790 ms
binder1.png
254 ms
stenn1.png
291 ms
bueso1.png
297 ms
richardson1.png
315 ms
bg_body.gif
29 ms
bg_columnw.gif
33 ms
acmqueue_logo.gif
45 ms
logo_acm.gif
28 ms
btn_search.gif
45 ms
bg_nav.gif
38 ms
BigData2015.gif
40 ms
Agile2015.png
46 ms
StructureConf.png
53 ms
AnDevConFall2015.gif
57 ms
160x160_TeamA.gif
113 ms
app_cover.png
113 ms
bg_footer.gif
63 ms
twitter-t.png
71 ms
facebook_icon.png
77 ms
acmq_print-cachekey1777.css
22 ms
queuedev.acm.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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
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>).
queuedev.acm.org 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
queuedev.acm.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Queuedev.acm.org 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 Queuedev.acm.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.
queuedev.acm.org
Open Graph description is not detected on the main page of Queue Dev ACM. 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: