1.3 sec in total
60 ms
774 ms
461 ms
Welcome to dfa.cornell.edu homepage info - get ready to check Dfa Cornell best content for United States right away, or after learning these important things about dfa.cornell.edu
Visit dfa.cornell.eduWe analyzed Dfa.cornell.edu page load time and found that the first response time was 60 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
dfa.cornell.edu performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value8.1 s
2/100
25%
Value8.4 s
19/100
10%
Value590 ms
50/100
30%
Value0.29
41/100
15%
Value15.0 s
7/100
10%
60 ms
94 ms
15 ms
46 ms
41 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 82% of them (41 requests) were addressed to the original Dfa.cornell.edu, 6% (3 requests) were made to Google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (292 ms) relates to the external source Cse.google.com.
Page size can be reduced by 623.4 kB (17%)
3.6 MB
2.9 MB
In fact, the total size of Dfa.cornell.edu main page is 3.6 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. 50% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.
Potential reduce by 66.0 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 66.0 kB or 79% of the original size.
Potential reduce by 16.4 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. Dfa Cornell images are well optimized though.
Potential reduce by 302.2 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 302.2 kB or 71% of the original size.
Potential reduce by 238.8 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. Dfa.cornell.edu needs all CSS files to be minified and compressed as it can save up to 238.8 kB or 81% of the original size.
Number of requests can be reduced by 31 (65%)
48
17
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dfa 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 11 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
dfa.cornell.edu
60 ms
www.dfa.cornell.edu
94 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
15 ms
css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css
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css_MRNhTOLhlBrj4zVQB7-Zevm8JIySYe8fMfL23xGWAkA.css
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css_fA5ZX7TXwA2mzn1bspnlysb_yJyAa8YPoJPYX8NieN0.css
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css
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css_IIvgnlvFZSmvbAAidqPze5ek1i22cRe1pkvrhr_n870.css
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css_R_OaaoeexteRUUK_mqSHG629PVlSommRsYuLzlbFx9o.css
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font-awesome.min.css
60 ms
js_vE8m1dYB06bs-hT1D7UfGEJCsqGH3bb6MrMxfSbdqIQ.js
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js_sBSp1Baue5-ORTvyOegl9AM2wGH4DmB7O4Xn9rY_zdU.js
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js_4XoprYNuneMmu8w6_ggpgZ-jXphnBnDBA4RKX7ecs6Y.js
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js_0lpchVL3yOIPuHplduqRQDrVH9UU5jZtvSzyu7p4kRA.js
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js_AJeOk7XNmqaDXSQtyI6FyX1YyO3z7i21q0iZ1vr0K3A.js
56 ms
js_OtiolDyzSBoklacFvibYrSRLNI_2lz92Gi5h1DmRKSc.js
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js_pMpn-aGMsGKgMnAtmxLe-SZAZXUOnXxQqYAoiRN9DJI.js
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css_Zk1LcB3JW7Blzd_n_YLkdBWjnrepAHkUiLjAdGYjEwo.css
4 ms
analytics.js
267 ms
icon_search32.png
222 ms
cse.js
292 ms
cuseal_full_red240.png
22 ms
culogo_hd_black45.svg
43 ms
icon_arrow_dwn_darkgrey.gif
21 ms
icon_arrow_darkgrey.gif
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side-nav-bg.jpg
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icons_transparent.png
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menu-leaf.png
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building-transp2.png
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help-me-search2.png
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arrow-down-red.png
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up-arrow-2.gif
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news-events-bg.png
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arrow-right-red.png
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news-bg-04.jpg
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event-bg-03.jpg
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spotlight-bg-03.jpg
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spotlight-bg-02.jpg
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event-bg-01_0.gif
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up-arrow.gif
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up-arrow-dark.gif
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jsapi
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default+en.css
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default+en.I.js
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default.css
35 ms
dfa.cornell.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
[role] values are not valid
[aria-*] attributes are not valid or misspelled
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
dfa.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
dfa.cornell.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Dfa.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 Dfa.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.
dfa.cornell.edu
Open Graph description is not detected on the main page of Dfa 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: