8 sec in total
466 ms
7.2 sec
304 ms
Visit intl.pnas.org now to see the best up-to-date Intl PNAS content for China and also check out these interesting facts you probably never knew about intl.pnas.org
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
Visit intl.pnas.orgWe analyzed Intl.pnas.org page load time and found that the first response time was 466 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
intl.pnas.org performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value17.0 s
0/100
25%
Value9.3 s
13/100
10%
Value1,140 ms
22/100
30%
Value0.022
100/100
15%
Value14.9 s
8/100
10%
466 ms
243 ms
263 ms
415 ms
236 ms
Our browser made a total of 115 requests to load all elements on the main page. We found that 52% of them (60 requests) were addressed to the original Intl.pnas.org, 18% (21 requests) were made to Static.xx.fbcdn.net and 8% (9 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.8 sec) belongs to the original domain Intl.pnas.org.
Page size can be reduced by 593.9 kB (50%)
1.2 MB
586.0 kB
In fact, the total size of Intl.pnas.org main page is 1.2 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 455.6 kB which makes up the majority of the site volume.
Potential reduce by 65.1 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 32.7 kB, which is 43% 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 65.1 kB or 85% of the original size.
Potential reduce by 35.4 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. Intl PNAS images are well optimized though.
Potential reduce by 304.5 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 304.5 kB or 67% of the original size.
Potential reduce by 188.8 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. Intl.pnas.org needs all CSS files to be minified and compressed as it can save up to 188.8 kB or 83% of the original size.
Number of requests can be reduced by 86 (79%)
109
23
The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Intl PNAS. 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 26 to 1 for CSS and as a result speed up the page load time.
intl.pnas.org
466 ms
hw-global.css
243 ms
main.css
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hw-local-global.css
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hw-local-global-overrides.css
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hw-local-global-pages.css
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css
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font-awesome.css
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video-js.min.css
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main.css
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609 ms
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expand.js
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script.js
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video_inline.min.js
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pnas-home.js
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all.js
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embed.js
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ui.css
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ga.js
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intl.pnas.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
intl.pnas.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
intl.pnas.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Intl.pnas.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 Intl.pnas.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.
intl.pnas.org
Open Graph description is not detected on the main page of Intl PNAS. 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: