2.3 sec in total
579 ms
1.5 sec
156 ms
Welcome to hes.lbl.gov homepage info - get ready to check Hes Lbl best content for United States right away, or after learning these important things about hes.lbl.gov
Visit hes.lbl.govWe analyzed Hes.lbl.gov page load time and found that the first response time was 579 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
hes.lbl.gov performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value10.2 s
0/100
25%
Value10.2 s
9/100
10%
Value60 ms
100/100
30%
Value0
100/100
15%
Value6.3 s
61/100
10%
579 ms
152 ms
138 ms
145 ms
146 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Hes.lbl.gov, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (579 ms) belongs to the original domain Hes.lbl.gov.
Page size can be reduced by 227.5 kB (59%)
383.0 kB
155.6 kB
In fact, the total size of Hes.lbl.gov main page is 383.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 147.4 kB which makes up the majority of the site volume.
Potential reduce by 13.4 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 3.4 kB, which is 19% 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 13.4 kB or 76% of the original size.
Potential reduce by 58.2 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. Obviously, Hes Lbl needs image optimization as it can save up to 58.2 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 69.4 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 69.4 kB or 60% of the original size.
Potential reduce by 86.5 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. Hes.lbl.gov needs all CSS files to be minified and compressed as it can save up to 86.5 kB or 85% of the original size.
Number of requests can be reduced by 24 (67%)
36
12
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hes Lbl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
579 ms
hes.css
152 ms
hes-home.css
138 ms
jqdialog.css
145 ms
jquery.boxen.css
146 ms
jquery.loadmask.css
149 ms
jquery.thickbox.css
159 ms
hes-common.js
203 ms
jquery.min.js
289 ms
jqdialog.js
216 ms
jquery.boxen-1.4.min.js
221 ms
jquery.loadmask.js
221 ms
jquery.thickbox.js
237 ms
hes-layout-middle.png
80 ms
hes-layout-bottom.png
74 ms
header-start.png
76 ms
facebook-icon.png
81 ms
twitter-icon.png
74 ms
google-plus-icon.png
69 ms
hes-return-home.png
135 ms
start-green-gradient.png
144 ms
start-montage.jpg
217 ms
start-visits.png
296 ms
start-calculator.png
222 ms
start-calculator-go.png
158 ms
epa-logo.png
202 ms
pier-logo.png
214 ms
path-logo.png
237 ms
tse-logo.png
268 ms
carb-logo.png
286 ms
infosys-logo.png
287 ms
lbnl-logo.png
296 ms
doe-logo.png
315 ms
start-more.png
325 ms
ga.js
5 ms
__utm.gif
12 ms
loadingAnimation.gif
309 ms
hes-print.css
77 ms
hes.lbl.gov accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
hes.lbl.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
hes.lbl.gov SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hes.lbl.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 Hes.lbl.gov main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
hes.lbl.gov
Open Graph description is not detected on the main page of Hes Lbl. 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: