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Click here to check amazing NSF content for United States. Otherwise, check out these important facts you probably never knew about nsf.gov
NSF's mission is to advance the progress of science, a mission accomplished by funding proposals for research and education made by scientists, engineers, and educators from across the country.Visit nsf.gov
We analyzed Nsf.gov page load time and found that the first response time was 46 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 25% of websites can load faster.
nsf.gov performance score
Our browser made a total of 91 requests to load all elements on the main page. We found that 77% of them (70 requests) were addressed to the original Nsf.gov, 7% (6 requests) were made to Pbs.twimg.com and 4% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (414 ms) relates to the external source Search.usa.gov.
Page size can be reduced by 622.1 kB (16%)
In fact, the total size of Nsf.gov main page is 3.9 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. 70% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.
Potential reduce by 39.5 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 11.5 kB, which is 23% 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 39.5 kB or 79% of the original size.
Potential reduce by 184.3 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. NSF images are well optimized though.
Potential reduce by 236.3 kB
Potential reduce by 162.0 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. Nsf.gov needs all CSS files to be minified and compressed as it can save up to 162.0 kB or 85% of the original size.
Number of requests can be reduced by 23 (26%)
nsf.gov accessibility score
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.
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
nsf.gov best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Page has valid source maps
nsf.gov SEO score
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/).
Document doesn't use legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nsf.gov 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 Nsf.gov 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.
Open Graph description is not detected on the main page of NSF. 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: