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Welcome to osti.gov homepage info - get ready to check OSTI best content for China right away, or after learning these important things about osti.gov
U.S. Department of Energy Office of Scientific and Technical Information - OSTI.GOV is the primary search tool for Department of Energy science, technology, and engineering research informationfunded ...
Visit osti.govWe analyzed Osti.gov page load time and found that the first response time was 112 ms and then it took 1.6 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.
osti.gov performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value3.2 s
72/100
25%
Value3.7 s
85/100
10%
Value2,170 ms
6/100
30%
Value0.071
96/100
15%
Value7.3 s
50/100
10%
112 ms
110 ms
190 ms
118 ms
79 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 92% of them (46 requests) were addressed to the original Osti.gov, 4% (2 requests) were made to Ajax.googleapis.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (799 ms) belongs to the original domain Osti.gov.
Page size can be reduced by 486.0 kB (44%)
1.1 MB
619.2 kB
In fact, the total size of Osti.gov main page is 1.1 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. 40% of websites need less resources to load. Images take 674.7 kB which makes up the majority of the site volume.
Potential reduce by 71.9 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 71.9 kB or 83% of the original size.
Potential reduce by 151.1 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, OSTI needs image optimization as it can save up to 151.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 108.6 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 108.6 kB or 68% of the original size.
Potential reduce by 154.4 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. Osti.gov needs all CSS files to be minified and compressed as it can save up to 154.4 kB or 84% of the original size.
Number of requests can be reduced by 16 (34%)
47
31
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSTI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
osti.gov
112 ms
www.osti.gov
110 ms
190 ms
css_056779fcf89cd8af067ae03fc6b13c50_0.css
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css_8cb7ad5ae8d0346546c4e7c9bf019b76_0.css
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css_c3853abb6aff026eb541f9eafde9c1cc_2.css
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jquery.min.js
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js_1d2a3caf575dc2b7016b93fc24835a6d_0.js
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js_7e0ce63257fd4319ff90113ba66beb50_2.js
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js_48fab3bdf31187f320b7cc74e60dde93_2.js
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jquery-ui.css
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ga.js
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osti.gov accessibility score
osti.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
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
osti.gov SEO score
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osti.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 Osti.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.
osti.gov
Open Graph description is not detected on the main page of OSTI. 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: