1.1 sec in total
158 ms
724 ms
191 ms
Welcome to lepp.cornell.edu homepage info - get ready to check Lepp Cornell best content for United States right away, or after learning these important things about lepp.cornell.edu
Visit lepp.cornell.eduWe analyzed Lepp.cornell.edu page load time and found that the first response time was 158 ms and then it took 915 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.
lepp.cornell.edu performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value7.7 s
3/100
25%
Value7.8 s
23/100
10%
Value1,110 ms
23/100
30%
Value0.129
82/100
15%
Value16.8 s
5/100
10%
158 ms
55 ms
80 ms
111 ms
48 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 Lepp.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 (391 ms) belongs to the original domain Lepp.cornell.edu.
Page size can be reduced by 427.2 kB (15%)
2.9 MB
2.4 MB
In fact, the total size of Lepp.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. 35% 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. Lepp 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. Lepp.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 Lepp 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.
lepp.cornell.edu
158 ms
pwf0egm.js
55 ms
jquery-ui.css
80 ms
jquery-2.0.2.js
111 ms
jquery.migrate.js
48 ms
jquery.livequery.js
48 ms
jquery.foswiki.js
44 ms
foswikiPref.js
40 ms
foswikiString.js
80 ms
foswikiForm.js
81 ms
pattern.js
81 ms
view
42 ms
jquery.js
22 ms
bootstrap-carousel.js
79 ms
bootstrap-collapse.js
202 ms
bootstrap-dropdown.js
202 ms
20f252276f49bac0c83a4973548ab44dc6f07e15.jpg
108 ms
embed
138 ms
eb680a93a0a0435ce4adbcf1d8db80bdcf3e3189.jpg
76 ms
7521a0658280b3dcbe49710828d259b168f2b75b.jpg
77 ms
cornell.gif
86 ms
%25BACKGROUND%25
85 ms
Fontes_Brock.jpg
190 ms
g2_group.jpg
187 ms
photocathode_lab.jpg
195 ms
ncuwip_2013.jpg
175 ms
Insitu_school.jpg
201 ms
srf_group.jpg
189 ms
erl_group.jpg
298 ms
hbes_group.jpg
304 ms
CHESS_Station_A2.jpg
306 ms
cms_group.jpg
311 ms
cesrta_group.jpg
314 ms
___extra0
256 ms
Snf7_packingTn.jpg
289 ms
Cornell_Elves.jpg
391 ms
Wittich2.jpg
346 ms
lepage152.jpg
338 ms
nsf.png
342 ms
ga.js
24 ms
537811
5 ms
__utm.gif
9 ms
__utm.gif
16 ms
lepp.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
lepp.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
lepp.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 Lepp.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 Lepp.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.
lepp.cornell.edu
Open Graph description is not detected on the main page of Lepp 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: