1.3 sec in total
83 ms
945 ms
292 ms
Visit web.ornl.gov now to see the best up-to-date Web ORNL content for United States and also check out these interesting facts you probably never knew about web.ornl.gov
Visit web.ornl.govWe analyzed Web.ornl.gov page load time and found that the first response time was 83 ms and then it took 1.2 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.
web.ornl.gov performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value9.0 s
1/100
25%
Value7.9 s
22/100
10%
Value1,640 ms
12/100
30%
Value0.005
100/100
15%
Value10.9 s
21/100
10%
83 ms
189 ms
38 ms
67 ms
140 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Web.ornl.gov, 80% (41 requests) were made to Ornl.gov and 6% (3 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (246 ms) relates to the external source Ornl.gov.
Page size can be reduced by 587.0 kB (48%)
1.2 MB
647.2 kB
In fact, the total size of Web.ornl.gov 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. 40% of websites need less resources to load. Images take 543.1 kB which makes up the majority of the site volume.
Potential reduce by 69.5 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. 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 69.5 kB or 81% of the original size.
Potential reduce by 45.6 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. Web ORNL images are well optimized though.
Potential reduce by 158.5 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 158.5 kB or 70% of the original size.
Potential reduce by 313.3 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. Web.ornl.gov needs all CSS files to be minified and compressed as it can save up to 313.3 kB or 83% of the original size.
Number of requests can be reduced by 16 (35%)
46
30
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web 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 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
web.ornl.gov
83 ms
www.ornl.gov
189 ms
css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css
38 ms
css_EvJB9Kj54xhU_Bu3PUOXua6xU9Aamz1UzteHFMsA4u8.css
67 ms
css_aorbXrx4J1S2jAFb9_i3TpFTccGdv5_DV0azwZDeaFE.css
140 ms
bootstrap.min.css
46 ms
css_HNnlqGxhJ5-jrYi_wHX2o81mIuEky1hj73sh3sGFWa8.css
102 ms
css_R0dWU4s4zLpcB-MHAfnzypC8F166McnIX44ejpEwtg4.css
96 ms
css
82 ms
jquery.min.js
60 ms
js_op3RUSCxeJthG-q5doXf_5OI7TM3H0qiyeC0RUy-5bo.js
92 ms
bootstrap.min.js
56 ms
js_ptR1ZjZnexk8gj2Q9mIgM2M_6ztR4ckK-i_6gzFmlNM.js
96 ms
js_Y2InUgAO_3v966slHxBvWlEm5PshGONP7QYPmwmIcMs.js
96 ms
js_LMoOINbOJS6mYRSlZTz6wYiAOwMl4jRw3fFNrshYSps.js
170 ms
js_REsLPu7rmWMjWdJcbmAAi4_CGneW_u1kgEQ0gfYfPC4.js
114 ms
js_5idECjjAo-X5YdkT65CaIiodkWmZlZv-WjSkHlWhoYk.js
124 ms
js_B2uv6dkjoYobfQVyuXdchgrpnnx4oM0TkP_bDVf8Qrg.js
116 ms
analytics.js
121 ms
bg_T02.png
57 ms
background-image.jpg
117 ms
ornl-logo249x60.png
55 ms
the-martian-DF-20914_rgb-3%20%282%29.jpg
74 ms
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microfluidic.jpg
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icon_advancedMaterial.png
144 ms
icon_cleanEnergy.png
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icon_nationalSecurity.png
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icon_neutron.png
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icon_partners.jpg
177 ms
icon_careers.jpg
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53 ms
fontawesome-webfont.woff
246 ms
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19 ms
nr-852.min.js
45 ms
web.ornl.gov accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
web.ornl.gov 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
web.ornl.gov 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
Image elements do not have [alt] attributes
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 Web.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 Web.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.
web.ornl.gov
Open Graph description is not detected on the main page of Web 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: