3.3 sec in total
306 ms
2.7 sec
310 ms
Click here to check amazing Lanl content for United States. Otherwise, check out these important facts you probably never knew about lanl.gov
Homepage for Los Alamos National Lab
Visit lanl.govWe analyzed Lanl.gov page load time and found that the first response time was 306 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
lanl.gov performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value51.3 s
0/100
25%
Value12.7 s
3/100
10%
Value580 ms
51/100
30%
Value0.001
100/100
15%
Value46.7 s
0/100
10%
306 ms
286 ms
300 ms
184 ms
132 ms
Our browser made a total of 90 requests to load all elements on the main page. We found that 88% of them (79 requests) were addressed to the original Lanl.gov, 4% (4 requests) were made to C2.staticflickr.com and 3% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Lanl.gov.
Page size can be reduced by 1.6 MB (23%)
6.9 MB
5.3 MB
In fact, the total size of Lanl.gov main page is 6.9 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. 45% of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.
Potential reduce by 82.2 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 82.2 kB or 74% of the original size.
Potential reduce by 181.2 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. Lanl images are well optimized though.
Potential reduce by 971.8 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 971.8 kB or 70% of the original size.
Potential reduce by 383.2 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. Lanl.gov needs all CSS files to be minified and compressed as it can save up to 383.2 kB or 86% of the original size.
Number of requests can be reduced by 45 (51%)
88
43
The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lanl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
lanl.gov
306 ms
jquery-1.7.2.min.js
286 ms
jquery-ui-1.8.2.custom.min.js
300 ms
jquery-ui.css
184 ms
script.js
132 ms
jquery.nyroModal-1.6.2.pack.js
404 ms
nyroModal.css
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jquery.wijmo-open.all.2.0.8.min.js
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calendar.css
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jquery.twisty.js
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twisty.css
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jquery.themepunch.tools.min.js
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jquery.themepunch.revolution.min.js
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settings.css
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navigation.css
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core-homepageElements-rs-carousel.css
399 ms
revolution.extension.carousel.min.js
907 ms
addthis_widget.js
10 ms
angelfish.js
306 ms
core-layout.css
102 ms
core-identity-fixed-header.css
149 ms
lanl-logo-gray.png
436 ms
search-btn.png
505 ms
header-logo.jpg
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global-nav-fixed-bg.png
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search-btn.png
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dropdown_bg.png
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SourceSansPro-Regular.otf
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gorilla.jpg
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lanl-logo-footer.png
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IPv6.jpg
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doe-logo.png
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footer-logo.jpg
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supercomputer.jpg
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nss-july-2015-thumbnai2.jpg
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1663_25_cover_small.jpg
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subscribe.png
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girls-library.jpg
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navbar-bg.png
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plus-btn.png
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footer_bg.jpg
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yicon_jumplink.gif
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revolution.extension.video.min.js
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revolution.extension.slideanims.min.js
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revolution.extension.actions.min.js
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revolution.extension.layeranimation.min.js
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revolution.extension.kenburn.min.js
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revolution.extension.navigation.min.js
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revolution.extension.migration.min.js
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revolution.extension.parallax.min.js
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300lo.json
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counter.8eb9e83b9fa0d4af1e4f.js
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socialmedia-bg.png
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sh.7c7179124ea24ac6ba46caac.html
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shares.json
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openhand.cur
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revicons.woff
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core-print.css
63 ms
jquery.mobile-1.1.0.min.css
71 ms
lanl.css
63 ms
lanl_custom.css
60 ms
mobile.css
61 ms
lanl.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.
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 IDs are not unique
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
lanl.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
lanl.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
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
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 Lanl.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 Lanl.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.
lanl.gov
Open Graph description is not detected on the main page of Lanl. 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: