2.5 sec in total
226 ms
2.2 sec
140 ms
Click here to check amazing Human Factors Arc NASA content for United States. Otherwise, check out these important facts you probably never knew about human-factors.arc.nasa.gov
The Human Systems Integration Division at NASA Ames Research Center, advances human-centered design and aerospace systems to make dramatic improvements in safety, efficiency and mission success.
Visit human-factors.arc.nasa.govWe analyzed Human-factors.arc.nasa.gov page load time and found that the first response time was 226 ms and then it took 2.3 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.
human-factors.arc.nasa.gov performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value11.4 s
0/100
25%
Value4.5 s
72/100
10%
Value1,440 ms
15/100
30%
Value0
100/100
15%
Value5.9 s
65/100
10%
226 ms
334 ms
72 ms
145 ms
213 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 95% of them (74 requests) were addressed to the original Human-factors.arc.nasa.gov, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Dap.digitalgov.gov. The less responsive or slowest element that took the longest time to load (749 ms) belongs to the original domain Human-factors.arc.nasa.gov.
Page size can be reduced by 41.9 kB (8%)
507.4 kB
465.6 kB
In fact, the total size of Human-factors.arc.nasa.gov main page is 507.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 429.6 kB which makes up the majority of the site volume.
Potential reduce by 31.6 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 4.5 kB, which is 12% 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 31.6 kB or 83% of the original size.
Potential reduce by 648 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. Human Factors Arc NASA images are well optimized though.
Potential reduce by 71 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 9.6 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. Human-factors.arc.nasa.gov needs all CSS files to be minified and compressed as it can save up to 9.6 kB or 79% of the original size.
Number of requests can be reduced by 12 (16%)
76
64
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Human Factors Arc NASA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
human-factors.arc.nasa.gov
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human-factors.arc.nasa.gov
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styles.css
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human-factors.arc.nasa.gov 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
human-factors.arc.nasa.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Page has valid source maps
human-factors.arc.nasa.gov SEO score
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Human-factors.arc.nasa.gov 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 Human-factors.arc.nasa.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.
human-factors.arc.nasa.gov
Open Graph description is not detected on the main page of Human Factors Arc NASA. 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: