1 sec in total
52 ms
790 ms
186 ms
Visit bnl.gov now to see the best up-to-date Bnl content for United States and also check out these interesting facts you probably never knew about bnl.gov
We advance fundamental research in nuclear and particle physics to gain a deeper understanding of matter, energy, space, and time; apply photon sciences and nanomaterials research to energy challenges...
Visit bnl.govWe analyzed Bnl.gov page load time and found that the first response time was 52 ms and then it took 976 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
bnl.gov performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value6.9 s
6/100
25%
Value4.8 s
67/100
10%
Value280 ms
81/100
30%
Value0.325
35/100
15%
Value7.9 s
44/100
10%
52 ms
84 ms
214 ms
27 ms
45 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 97% of them (65 requests) were addressed to the original Bnl.gov, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (214 ms) belongs to the original domain Bnl.gov.
Page size can be reduced by 734.9 kB (60%)
1.2 MB
490.4 kB
In fact, the total size of Bnl.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. Javascripts take 576.0 kB which makes up the majority of the site volume.
Potential reduce by 30.0 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 5.8 kB, which is 15% 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 30.0 kB or 80% of the original size.
Potential reduce by 52.4 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, Bnl needs image optimization as it can save up to 52.4 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 406.4 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 406.4 kB or 71% of the original size.
Potential reduce by 246.1 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. Bnl.gov needs all CSS files to be minified and compressed as it can save up to 246.1 kB or 84% of the original size.
Number of requests can be reduced by 32 (53%)
60
28
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bnl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.
bnl.gov
52 ms
www.bnl.gov
84 ms
214 ms
BNL-960-fluid.css
27 ms
home-ext.css
45 ms
navTab1.css
32 ms
jquery.js
78 ms
jquery-ui.min.js
110 ms
jquery.cookie.js
36 ms
shadowbox.js
84 ms
jquery.autosize.min.js
39 ms
jquery.bxslider.min.js
66 ms
jquery.flexslider-min.js
64 ms
jquery-ui-timepicker-addon.min.js
75 ms
jquery.placeholder.min.js
71 ms
jquery.matchHeight-min.js
74 ms
jquery.sidr.min.js
80 ms
jquery.finger.min.js
83 ms
BNLscripts.js
92 ms
BNL-reset.css
61 ms
jquery.bxslider.css
64 ms
jquery-ui.min.css
75 ms
shadowbox.css
69 ms
font-awesome.min.css
77 ms
jquery.sidr.dark.css
72 ms
960-fluid.css
94 ms
BNL-master-styles.css
87 ms
BNL-cms-styles.css
90 ms
fluid-defaults.css
83 ms
fluid-xsm.css
85 ms
fluid-sm.css
92 ms
fluid-med.css
93 ms
fluid-lg.css
96 ms
fluid-xlg.css
96 ms
BNL-print.css
97 ms
analytics.js
128 ms
BNLlogo-white-mobile-36px.png
51 ms
bnlLogo-template-200px.png
43 ms
doeLogo-template-500px.png
50 ms
green-arrow.gif
49 ms
amf3-640px.jpg
49 ms
overlay-button.png
48 ms
Rainforest-153px.jpg
50 ms
Yufei-Ren-153px.jpg
58 ms
D0790216-Takeuchi-153px.jpg
58 ms
mission-photon-sciences-216px.jpg
57 ms
thumb-target-page.png
50 ms
mission-QCD-matter-216px.jpg
57 ms
mission-energy-216px.jpg
59 ms
mission-universe-216px.jpg
59 ms
mission-climate-216px.jpg
67 ms
Cal-Icon-Back-50px.png
59 ms
calenndar-icon2-33px.png
66 ms
partnership-ico-64px.png
60 ms
icon-round-active-facebook-58px.png
69 ms
icon-round-active-youtube-58px.png
70 ms
icon-round-active-flickr-58px.png
70 ms
icon-round-active-twitter-58px.png
71 ms
icon-round-active-tumblr-58px.png
70 ms
BSA-logos.png
72 ms
bx_loader.gif
73 ms
OpenSans-Regular-webfont.woff
72 ms
fontawesome-webfont.woff
93 ms
OpenSans-Italic-webfont.woff
73 ms
OpenSans-Semibold-webfont.woff
73 ms
collect
30 ms
mobile.css
18 ms
bnl.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.
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>).
bnl.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
bnl.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bnl.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Bnl.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.
bnl.gov
Open Graph description is not detected on the main page of Bnl. 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: