2.2 sec in total
529 ms
1.5 sec
131 ms
Visit ndc.acm.org now to see the best up-to-date Ndc ACM content for China and also check out these interesting facts you probably never knew about ndc.acm.org
Visit ndc.acm.orgWe analyzed Ndc.acm.org page load time and found that the first response time was 529 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. This domain responded with an error, which can significantly jeopardize Ndc.acm.org rating and web reputation
ndc.acm.org performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value6.0 s
13/100
25%
Value5.3 s
58/100
10%
Value490 ms
59/100
30%
Value0.015
100/100
15%
Value8.0 s
42/100
10%
529 ms
229 ms
64 ms
12 ms
65 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 52% of them (15 requests) were addressed to the original Ndc.acm.org, 17% (5 requests) were made to and 14% (4 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (529 ms) belongs to the original domain Ndc.acm.org.
Page size can be reduced by 987.3 kB (71%)
1.4 MB
396.1 kB
In fact, the total size of Ndc.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. 60% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 6.7 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 6.7 kB or 59% of the original size.
Potential reduce by 0 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. Ndc ACM images are well optimized though.
Potential reduce by 721.0 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 721.0 kB or 68% of the original size.
Potential reduce by 259.6 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. Ndc.acm.org needs all CSS files to be minified and compressed as it can save up to 259.6 kB or 92% of the original size.
Number of requests can be reduced by 15 (71%)
21
6
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ndc 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 from 7 to 1 for CSS and as a result speed up the page load time.
ndc.acm.org
529 ms
index.cfm
229 ms
jquery-ui.css
64 ms
jquery.autocomplete.css
12 ms
main.css
65 ms
acm.css
57 ms
livesearch.css
36 ms
jquery-1.9.1.min.js
77 ms
jquery-ui-1.10.3.min.js
109 ms
d3.min.js
142 ms
ckeditor.js
177 ms
jquery.js
52 ms
kfo5tuw.js
282 ms
cca6hjm.js
273 ms
all.js
170 ms
jquery.jscrollpane.min.js
103 ms
print.css
10 ms
d
29 ms
d
112 ms
analytics.js
60 ms
logo_wide.png
60 ms
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jPOfETEQfK2QAAAA==
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spinner.gif
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ndc.acm.org accessibility score
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
ndc.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
ndc.acm.org SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ndc.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 Ndc.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.
ndc.acm.org
Open Graph description is not detected on the main page of Ndc 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: