1.1 sec in total
186 ms
752 ms
206 ms
Welcome to lns.cornell.edu homepage info - get ready to check Lns Cornell best content for United States right away, or after learning these important things about lns.cornell.edu
Visit lns.cornell.eduWe analyzed Lns.cornell.edu page load time and found that the first response time was 186 ms and then it took 958 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
lns.cornell.edu performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value7.7 s
3/100
25%
Value7.6 s
25/100
10%
Value740 ms
40/100
30%
Value0.105
88/100
15%
Value14.2 s
9/100
10%
186 ms
150 ms
100 ms
126 ms
65 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 74% of them (32 requests) were addressed to the original Lns.cornell.edu, 7% (3 requests) were made to D3e1o4bcbhmj8g.cloudfront.net and 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (380 ms) belongs to the original domain Lns.cornell.edu.
Page size can be reduced by 427.2 kB (15%)
2.9 MB
2.4 MB
In fact, the total size of Lns.cornell.edu main page is 2.9 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. 40% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 155.6 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 155.6 kB or 84% of the original size.
Potential reduce by 40.5 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. Lns Cornell images are well optimized though.
Potential reduce by 180.8 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 180.8 kB or 67% of the original size.
Potential reduce by 50.4 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. Lns.cornell.edu needs all CSS files to be minified and compressed as it can save up to 50.4 kB or 86% of the original size.
Number of requests can be reduced by 15 (37%)
41
26
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lns Cornell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
lns.cornell.edu
186 ms
pwf0egm.js
150 ms
jquery-ui.css
100 ms
jquery-2.0.2.js
126 ms
jquery.migrate.js
65 ms
jquery.livequery.js
65 ms
jquery.foswiki.js
65 ms
foswikiPref.js
64 ms
foswikiString.js
108 ms
foswikiForm.js
105 ms
pattern.js
105 ms
view
91 ms
jquery.js
46 ms
bootstrap-carousel.js
106 ms
bootstrap-collapse.js
253 ms
bootstrap-dropdown.js
253 ms
20f252276f49bac0c83a4973548ab44dc6f07e15.jpg
117 ms
embed
131 ms
cornell.gif
99 ms
%25BACKGROUND%25
97 ms
Fontes_Brock.jpg
181 ms
g2_group.jpg
200 ms
photocathode_lab.jpg
201 ms
ncuwip_2013.jpg
181 ms
Insitu_school.jpg
208 ms
srf_group.jpg
208 ms
erl_group.jpg
277 ms
hbes_group.jpg
297 ms
CHESS_Station_A2.jpg
309 ms
cms_group.jpg
314 ms
cesrta_group.jpg
330 ms
___extra0
256 ms
Snf7_packingTn.jpg
293 ms
Cornell_Elves.jpg
380 ms
Wittich2.jpg
345 ms
lepage152.jpg
328 ms
nsf.png
339 ms
eb680a93a0a0435ce4adbcf1d8db80bdcf3e3189.jpg
110 ms
7521a0658280b3dcbe49710828d259b168f2b75b.jpg
92 ms
ga.js
29 ms
537811
108 ms
__utm.gif
9 ms
__utm.gif
23 ms
lns.cornell.edu 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
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
lns.cornell.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
lns.cornell.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lns.cornell.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 Lns.cornell.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.
lns.cornell.edu
Open Graph description is not detected on the main page of Lns Cornell. 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: