1.6 sec in total
91 ms
1.1 sec
485 ms
Visit mrsec.duke.edu now to see the best up-to-date Mrsec Duke content for United States and also check out these interesting facts you probably never knew about mrsec.duke.edu
Discovering and developing materials with desired structures and properties for diverse applications in areas such as health, computing, energy and security
Visit mrsec.duke.eduWe analyzed Mrsec.duke.edu page load time and found that the first response time was 91 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
mrsec.duke.edu performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value6.7 s
7/100
25%
Value6.7 s
36/100
10%
Value4,680 ms
0/100
30%
Value0.102
89/100
15%
Value12.3 s
15/100
10%
91 ms
117 ms
16 ms
31 ms
58 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Mrsec.duke.edu, 79% (54 requests) were made to Pratt.duke.edu and 9% (6 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (323 ms) relates to the external source Use.fontawesome.com.
Page size can be reduced by 82.8 kB (8%)
1.1 MB
986.4 kB
In fact, the total size of Mrsec.duke.edu main page is 1.1 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. 70% of websites need less resources to load. Images take 855.4 kB which makes up the majority of the site volume.
Potential reduce by 39.4 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 39.4 kB or 76% of the original size.
Potential reduce by 26.1 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. Mrsec Duke images are well optimized though.
Potential reduce by 13.6 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 13.6 kB or 15% of the original size.
Potential reduce by 3.8 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. Mrsec.duke.edu has all CSS files already compressed.
Number of requests can be reduced by 25 (57%)
44
19
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mrsec Duke. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
mrsec.duke.edu
91 ms
materials
117 ms
css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css
16 ms
css_087QwdZcCh4DfJmWSDqbCnW8KSM8LH1LzEEEyfAPQW4.css
31 ms
css_2ho0R1Wum5RhxM01z6YiUVEGWUg7V9ubmzy4OY8vlFw.css
58 ms
css_EUH00orNxY7YANulpqxGHXinGIfO5PW8gGfrKOQnqk8.css
72 ms
fontawesome.css
193 ms
solid.css
236 ms
regular.css
279 ms
brands.css
323 ms
js_u9OepQzrrEOHEGWAPerUE6rwsqzO0JtU-p2KahRYgmU.js
94 ms
js_pTE_KHb06coJF-VmdrCS-0e7w9H8L4JjVC_GhTQ1S3M.js
56 ms
js_TVTqjz8JHRb2KK9hlzuk0YsjzD013dKyYX_OTz-2VXU.js
56 ms
js_bTL7lIfSuNE0FWC-G-ZSi7a2ZuH3OO0Nv_hfG2x7tUU.js
55 ms
js_5tHZ0PG79fTpqWqAo9RqSCEwfch78Vl_E1NjOum1DZY.js
95 ms
js_FNzPqg0Gn24XYHzp9MI3ibpVojhV3_MlbqNfHo6WLaQ.js
95 ms
alert.css
118 ms
alert.html
117 ms
js_lftW2kcsGIBavVFjiwiKjGYxB9Ck-v-03eFVKrh4K9M.js
92 ms
css_s9kDR6oIIBr-_8eoqidrX6HvbmBLqoseHShWdV9ayok.css
19 ms
analytics.js
118 ms
cse.js
118 ms
duke-engineering-logo.svg
97 ms
hero-materials.jpg
223 ms
feature-materials.jpg
100 ms
DMI.jpg
101 ms
thumbnail.jpg
101 ms
materials-smif_0.jpg
221 ms
Po-an%20presents_16x9b.jpg
102 ms
soft-metasurface-feature.jpg
103 ms
Nanorattles-feature.png
217 ms
NeuralCellFeature.jpg
219 ms
icon-data-white-circle.svg
214 ms
icon-health-white-circle.svg
217 ms
icon-resilience-white-circle.svg
221 ms
social-icon-facebook.svg
226 ms
social-icon-twitter.svg
223 ms
social-icon-youtube.svg
225 ms
social-icon-instagram.svg
226 ms
social-icon-linkedin.svg
228 ms
pattern-triangles.png
181 ms
pattern-triangles-subtle.png
181 ms
opensans-regular-webfont.woff2
182 ms
opensans-light-webfont.woff2
182 ms
opensans-semibold-webfont.woff2
181 ms
opensans-bold-webfont.woff2
195 ms
opensans-extrabold-webfont.woff2
194 ms
fa-solid-900.woff
197 ms
fa-regular-400.woff
168 ms
opensans-bolditalic-webfont.woff2
145 ms
opensans-extrabolditalic-webfont.woff2
145 ms
opensans-semibolditalic-webfont.woff2
146 ms
opensans-italic-webfont.woff2
145 ms
opensans-lightitalic-webfont.woff2
147 ms
collect
176 ms
cse_element__en.js
84 ms
default+en.css
84 ms
default.css
86 ms
opensans-regular-webfont.woff
50 ms
opensans-light-webfont.woff
36 ms
opensans-semibold-webfont.woff
36 ms
opensans-bold-webfont.woff
35 ms
opensans-extrabold-webfont.woff
48 ms
opensans-bolditalic-webfont.woff
34 ms
opensans-extrabolditalic-webfont.woff
62 ms
opensans-semibolditalic-webfont.woff
60 ms
opensans-italic-webfont.woff
61 ms
opensans-lightitalic-webfont.woff
60 ms
mrsec.duke.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.
mrsec.duke.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
mrsec.duke.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mrsec.duke.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 Mrsec.duke.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.
mrsec.duke.edu
Open Graph data is detected on the main page of Mrsec Duke. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: