2.9 sec in total
38 ms
694 ms
2.2 sec
Click here to check amazing ORNL content for United States. Otherwise, check out these important facts you probably never knew about ornl.gov
Visit ornl.govWe analyzed Ornl.gov page load time and found that the first response time was 38 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
ornl.gov performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value6.3 s
10/100
25%
Value4.0 s
81/100
10%
Value150 ms
94/100
30%
Value0.017
100/100
15%
Value7.8 s
44/100
10%
38 ms
13 ms
37 ms
113 ms
137 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 53% of them (39 requests) were addressed to the original Ornl.gov, 32% (23 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (253 ms) belongs to the original domain Ornl.gov.
Page size can be reduced by 877.6 kB (6%)
13.5 MB
12.6 MB
In fact, the total size of Ornl.gov main page is 13.5 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 13.0 MB which makes up the majority of the site volume.
Potential reduce by 50.0 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 9.8 kB, which is 16% 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 50.0 kB or 80% of the original size.
Potential reduce by 805.3 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. ORNL images are well optimized though.
Potential reduce by 9.5 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. This website has mostly compressed JavaScripts.
Potential reduce by 12.8 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. Ornl.gov needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 26% of the original size.
Number of requests can be reduced by 16 (33%)
49
33
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ORNL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
www.ornl.gov
38 ms
css_ZBt-rLv7VWSCrlUMItQIePSq-OxTeTsCIiiCnpQwB0w.css
13 ms
css_mzsGjX7zv7GGf0z6CgveQofjJ4pA2P7dFMbQK4fjyvM.css
37 ms
css
113 ms
css
137 ms
css
134 ms
css2
134 ms
js_xEFjrLrt_j7FTPJv2UUauuurDr-tkgnzfOJxzVF833w.js
35 ms
js_YBd3-Jpe4jD6zw5TfdjpwmWfMssZo_CGviuVnm1p5-8.js
47 ms
page.js
75 ms
js_mzMoBrGZglpdMT-V84ajQ2tuIWiyk5qbUbhZHy5qYJY.js
47 ms
jquery.easing.min.js
60 ms
js_hY7bdWvrFPx9UlpHVzzXOH5dzbGziXg_08mo6LyODFc.js
46 ms
ScrollMagic.min.js
75 ms
debug.addIndicators.min.js
73 ms
js_7hs-7pOKFUQ0uDNhKDUoxOyibVDQYqZR8S7uQBKMZzM.js
46 ms
all.js
91 ms
js_KtCXehYJwwbtS9YEddAqVGpSpgLs3e7lGCKJGo2r0zQ.js
46 ms
ornl-logo-green.svg
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ornl-logo.svg
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leafx500.png
25 ms
bio.jpeg
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wires-replace.jpeg
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look.jpeg
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fusion.jpeg
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mission-bg.jpeg
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home_tabs_science.jpeg
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QCUP_Potterstudy.png
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sunset_visitor-center.png
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thumbnail%20for%20dawn.JPG
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career-1.jpg
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career-2.jpg
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frontier_hero_image.png
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collage_grid.png
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20231116%20111950%20_U8A8652.jpeg
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doe_science_logo.svg
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battelle_logo.svg
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sm.25.html
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eso.BRQnzO8v.js
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KFOlCnqEu92Fr1MmSU5fBBc-AMP6lQ.woff
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ornl.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
ornl.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
ornl.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 Ornl.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 Ornl.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.
ornl.gov
Open Graph description is not detected on the main page of ORNL. 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: