2.9 sec in total
492 ms
2.2 sec
188 ms
Welcome to lternet.edu homepage info - get ready to check LTER Net best content for United States right away, or after learning these important things about lternet.edu
Visit lternet.eduWe analyzed Lternet.edu page load time and found that the first response time was 492 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
lternet.edu performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value7.9 s
3/100
25%
Value4.6 s
70/100
10%
Value340 ms
75/100
30%
Value0.863
4/100
15%
Value7.2 s
50/100
10%
492 ms
56 ms
110 ms
117 ms
105 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that all of those requests were addressed to Lternet.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (915 ms) belongs to the original domain Lternet.edu.
Page size can be reduced by 1.0 MB (14%)
7.5 MB
6.4 MB
In fact, the total size of Lternet.edu main page is 7.5 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 7.0 MB which makes up the majority of the site volume.
Potential reduce by 75.6 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 75.6 kB or 86% of the original size.
Potential reduce by 682.9 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. LTER Net images are well optimized though.
Potential reduce by 224.4 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 224.4 kB or 78% of the original size.
Potential reduce by 52.3 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. Lternet.edu needs all CSS files to be minified and compressed as it can save up to 52.3 kB or 79% of the original size.
Number of requests can be reduced by 42 (44%)
96
54
The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LTER Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.
lternet.edu
492 ms
system.base.css
56 ms
system.menus.css
110 ms
system.messages.css
117 ms
system.theme.css
105 ms
views_slideshow.css
107 ms
date.css
103 ms
datepicker.1.7.css
124 ms
date_repeat_field.css
151 ms
field.css
152 ms
node.css
156 ms
search.css
158 ms
user.css
166 ms
views_slideshow_xtra_overlay.css
173 ms
views.css
200 ms
ctools.css
200 ms
biblio.css
207 ms
views_slideshow_cycle.css
206 ms
quicktabs.css
222 ms
zen.css
228 ms
style.css
256 ms
danblog.css
249 ms
local.css
260 ms
jquery.min.js
355 ms
jquery.once.js
271 ms
drupal.js
306 ms
views_slideshow.js
309 ms
views_slideshow_xtra_overlay.js
308 ms
progress.js
323 ms
jquery.cycle.all.js
335 ms
jquery.cycle.all.js
374 ms
json2.js
372 ms
views_slideshow_cycle.js
375 ms
quicktabs.js
376 ms
hoverIntent.js
386 ms
superfish.js
404 ms
body-bg.gif
51 ms
danblog_logo.png
65 ms
facebook.png
57 ms
twitter.png
54 ms
rss.png
54 ms
menu-bg.gif
55 ms
menu-left-bg.gif
100 ms
menu-right-bg.gif
104 ms
01_for_researchers_260.png
113 ms
02_for_educators_260.png
155 ms
03_for_media_260.png
113 ms
04_for_decision_260.png
132 ms
lter%20data%20coop_0.png
254 ms
KBS%20LTER%20Soil%20Sampling.jpg
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4-1.jpg
264 ms
3-1.gif
212 ms
photo3_18.jpg
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snowpack.jpg
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woody%20plant%20encroachment.jpg
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Rainfall%20Manipulation%20Plot%20%28RaMP%29experiment.JPG
409 ms
Bison%20herd%20on%20Konza%20Whiles%202007.jpg
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Restoration%20Heterogeneity%20Experiment.jpg
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Grassland%20stream%20research.JPG
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Catchment.JPG
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Biodiversity.JPG
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Nitro_cycling.jpg
689 ms
Climate_Habitat.JPG
628 ms
Cleanwater_markets.JPG
632 ms
Regional_Climate.jpg
605 ms
Invasive_species.JPG
607 ms
photo6_1.jpg
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photo4b.JPG
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photo1_4.jpg
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photo3_10.jpg
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photo2_9.jpg
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photo5_11.jpg
915 ms
photo4_7.jpg
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photo3_9.jpg
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2014-AR-cover.jpg
698 ms
tab-bar.png
689 ms
tab-left-ie6.png
668 ms
tab-right-ie6.png
635 ms
menu-leaf.gif
626 ms
LTER_RFP.jpg
612 ms
arc_0.jpg
603 ms
arrows-ffffff.png
626 ms
shadow.png
578 ms
lternet.edu 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-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
lternet.edu 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
Missing source maps for large first-party JavaScript
lternet.edu 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 Lternet.edu 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 Lternet.edu 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.
lternet.edu
Open Graph description is not detected on the main page of LTER Net. 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: