2.9 sec in total
356 ms
2.3 sec
302 ms
Visit nupack.org now to see the best up-to-date NUPACK content for China and also check out these interesting facts you probably never knew about nupack.org
NUPACK
Visit nupack.orgWe analyzed Nupack.org page load time and found that the first response time was 356 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
nupack.org performance score
name
value
score
weighting
Value11.7 s
0/100
10%
Value11.7 s
0/100
25%
Value13.0 s
2/100
10%
Value10 ms
100/100
30%
Value0.086
93/100
15%
Value11.7 s
17/100
10%
356 ms
208 ms
275 ms
142 ms
279 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original Nupack.org, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Nupack.org.
Page size can be reduced by 1.0 MB (43%)
2.4 MB
1.4 MB
In fact, the total size of Nupack.org main page is 2.4 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. 15% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 7.4 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 2.5 kB, which is 27% 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 7.4 kB or 80% of the original size.
Potential reduce by 739.9 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. Obviously, NUPACK needs image optimization as it can save up to 739.9 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 236.0 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 236.0 kB or 80% of the original size.
Potential reduce by 45.8 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. Nupack.org needs all CSS files to be minified and compressed as it can save up to 45.8 kB or 84% of the original size.
Number of requests can be reduced by 22 (71%)
31
9
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NUPACK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
nupack.org
356 ms
screen.css
208 ms
nupack_main.css
275 ms
slider.css
142 ms
screen_form.css
279 ms
screen_histogram.css
145 ms
screen_design.css
202 ms
screen_show.css
212 ms
navigation.css
288 ms
downloads.css
270 ms
references.css
273 ms
screen_details_image.css
282 ms
prototype.js
754 ms
effects.js
476 ms
dragdrop.js
478 ms
controls.js
484 ms
application.js
351 ms
nupack_utility.js
359 ms
nupack_sequence_input.js
431 ms
nupack_listeners.js
372 ms
nupack_on_load.js
445 ms
range.js
483 ms
slider.js
485 ms
timer.js
491 ms
urchin.js
9 ms
__utm.gif
15 ms
nupack-hairpin.png
139 ms
nupack-text.png
136 ms
main_nav_background.png
70 ms
main_nav_background_left_round_corner_white.png
77 ms
main_nav_background_right_round_corner_white.png
78 ms
nupack-homepage.png
1248 ms
nupack.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.
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
nupack.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
nupack.org SEO score
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nupack.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Nupack.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.
nupack.org
Open Graph description is not detected on the main page of NUPACK. 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: