3.9 sec in total
152 ms
3.6 sec
185 ms
Welcome to flexlab.lbl.gov homepage info - get ready to check Flexlab Lbl best content for United States right away, or after learning these important things about flexlab.lbl.gov
Visit flexlab.lbl.govWe analyzed Flexlab.lbl.gov page load time and found that the first response time was 152 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
flexlab.lbl.gov performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value12.5 s
0/100
25%
Value4.6 s
71/100
10%
Value680 ms
44/100
30%
Value0.401
25/100
15%
Value12.4 s
15/100
10%
152 ms
659 ms
201 ms
202 ms
203 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 97% of them (66 requests) were addressed to the original Flexlab.lbl.gov, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Flexlab.lbl.gov.
Page size can be reduced by 541.0 kB (35%)
1.6 MB
1.0 MB
In fact, the total size of Flexlab.lbl.gov main page is 1.6 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 1.2 MB which makes up the majority of the site volume.
Potential reduce by 21.3 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 21.3 kB or 75% of the original size.
Potential reduce by 315.8 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, Flexlab Lbl needs image optimization as it can save up to 315.8 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 143.9 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 143.9 kB or 66% of the original size.
Potential reduce by 60.0 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. Flexlab.lbl.gov needs all CSS files to be minified and compressed as it can save up to 60.0 kB or 80% of the original size.
Number of requests can be reduced by 41 (62%)
66
25
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Flexlab 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 22 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
flexlab.lbl.gov
152 ms
flexlab.lbl.gov
659 ms
system.base.css
201 ms
system.menus.css
202 ms
system.messages.css
203 ms
system.theme.css
207 ms
date.css
204 ms
datepicker.1.7.css
205 ms
date_repeat_field.css
398 ms
field.css
399 ms
fitvids.css
399 ms
node.css
400 ms
search.css
401 ms
user.css
401 ms
views.css
595 ms
colorbox_style.css
605 ms
ctools.css
599 ms
flexslider_img.css
602 ms
flexslider.css
604 ms
social_media_links.css
602 ms
reset.css
791 ms
base.css
798 ms
style.css
864 ms
jquery.js
999 ms
jquery.once.js
802 ms
drupal.js
867 ms
jquery.fitvids.js
990 ms
jquery.cookie.js
997 ms
jquery.form.js
1012 ms
ajax.js
1144 ms
fitvids.js
1077 ms
behavior_weights.js
1185 ms
jquery.colorbox-min.js
1194 ms
colorbox.js
1197 ms
colorbox_style.js
1209 ms
colorbox_load.js
1274 ms
colorbox_inline.js
1342 ms
jquery.flexslider-min.js
1446 ms
base.js
1205 ms
progress.js
1202 ms
ajax_view.js
1217 ms
googleanalytics.js
1277 ms
noodle.js
1347 ms
flexslider.load.js
1406 ms
analytics.js
46 ms
collect
48 ms
twitter.png
150 ms
facebook.png
200 ms
vimeo.png
201 ms
Header4.png
598 ms
GENE-1922b.jpg
400 ms
Screen%20Shot%202014-09-29%20at%209.38.17%20PM.png
765 ms
slider3.jpg
546 ms
video2.jpg
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slider1.jpg
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video.jpg
730 ms
ist-ext-contruction.jpg
727 ms
RDD.jpg
744 ms
GENE-1922b_0.jpg
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press2.jpg
795 ms
Berkeley_Lab_Logo_Smaller.png
925 ms
PTS55F-webfont.svg
1106 ms
PTS55F-webfont.woff
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PTS75F-webfont.svg
1137 ms
PTS75F-webfont.woff
1040 ms
PTN77F-webfont.svg
1172 ms
PTN77F-webfont.woff
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bg_tab.png
1151 ms
flexlab.lbl.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
flexlab.lbl.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
Page has valid source maps
flexlab.lbl.gov SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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 Flexlab.lbl.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 Flexlab.lbl.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.
flexlab.lbl.gov
Open Graph description is not detected on the main page of Flexlab 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: