2.4 sec in total
216 ms
1.9 sec
209 ms
Visit llnl.gov now to see the best up-to-date Llnl content for United States and also check out these interesting facts you probably never knew about llnl.gov
Visit llnl.govWe analyzed Llnl.gov page load time and found that the first response time was 216 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
llnl.gov performance score
name
value
score
weighting
Value2.3 s
76/100
10%
Value6.4 s
9/100
25%
Value4.6 s
71/100
10%
Value800 ms
36/100
30%
Value0.042
99/100
15%
Value11.8 s
17/100
10%
216 ms
408 ms
137 ms
207 ms
208 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 83% of them (58 requests) were addressed to the original Llnl.gov, 6% (4 requests) were made to Platform.twitter.com and 4% (3 requests) were made to Abs.twimg.com. The less responsive or slowest element that took the longest time to load (665 ms) belongs to the original domain Llnl.gov.
Page size can be reduced by 568.0 kB (34%)
1.7 MB
1.1 MB
In fact, the total size of Llnl.gov main page is 1.7 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. 35% of websites need less resources to load. Images take 971.6 kB which makes up the majority of the site volume.
Potential reduce by 49.0 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 6.3 kB, which is 11% 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 49.0 kB or 82% of the original size.
Potential reduce by 34.7 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. Llnl images are well optimized though.
Potential reduce by 313.1 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 313.1 kB or 73% of the original size.
Potential reduce by 171.2 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. Llnl.gov needs all CSS files to be minified and compressed as it can save up to 171.2 kB or 84% of the original size.
Number of requests can be reduced by 13 (19%)
68
55
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Llnl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
llnl.gov
216 ms
www.llnl.gov
408 ms
css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css
137 ms
css_KaQqNPYD1vhKN7UGOmDLJqdcHdjIMg9aOk4Lqwx4oWo.css
207 ms
css_QfwSkHwB5CndKlvkYl07mvTz51LRS8JSf3iJFU7pjPQ.css
208 ms
css_m1rWfbfqessTc5lb1_GNPyH7fNNhUfzmaLtAubKOUAE.css
415 ms
js_MpKfe1sTh5JIVGCZ17DsAuT1rqAC38MLLlkjqjQ1X_k.js
431 ms
js_3zPmOEFUKP03XN0jTiyc0wLKP_sZMLv7fuGPJBK3gSA.js
211 ms
js_apEpLmXOMezH-J-jx6oBkU1aXCXij6YATqEqadETcmk.js
326 ms
js_1xo9XSjhFFoWB80_TAXVDjM7LILTLBbVU2iwe4-HDHg.js
340 ms
piwik.js
498 ms
js_L50O_PWoAuMOxVjnzZCkNSSmI0kFwhZsO1_KS8WnGKw.js
212 ms
logo.png
98 ms
ma875x500px.jpg
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careerfair875x500px.jpg
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hpc_0.jpg
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basic-science.png
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physics.png
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global-security.png
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lasers.png
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547 ms
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widgets.js
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timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
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q9rvh0b0_normal.jpeg
36 ms
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35 ms
jot
87 ms
llnl.gov accessibility score
ARIA
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.
Impact
Issue
[aria-*] attributes do not match their roles
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
llnl.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
llnl.gov SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Llnl.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 Llnl.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.
llnl.gov
Open Graph description is not detected on the main page of Llnl. 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: