11.5 sec in total
53 ms
10.2 sec
1.2 sec
Visit matsci.columbia.edu now to see the best up-to-date Matsci Columbia content for United States and also check out these interesting facts you probably never knew about matsci.columbia.edu
Making faster transistors through laser crystallization of silicon. Creating new nanomaterials for batteries and other energy storage devices. Pioneering first-principles approaches to the design of n...
Visit matsci.columbia.eduWe analyzed Matsci.columbia.edu page load time and found that the first response time was 53 ms and then it took 11.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
matsci.columbia.edu performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value7.1 s
6/100
25%
Value14.5 s
1/100
10%
Value11,230 ms
0/100
30%
Value0.155
74/100
15%
Value26.5 s
0/100
10%
53 ms
7356 ms
135 ms
76 ms
76 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Matsci.columbia.edu, 45% (29 requests) were made to Apam.columbia.edu and 11% (7 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (7.4 sec) relates to the external source Apam.columbia.edu.
Page size can be reduced by 3.8 MB (17%)
22.6 MB
18.8 MB
In fact, the total size of Matsci.columbia.edu main page is 22.6 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 22.0 MB which makes up the majority of the site volume.
Potential reduce by 58.1 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 58.1 kB or 80% of the original size.
Potential reduce by 3.4 MB
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. Obviously, Matsci Columbia needs image optimization as it can save up to 3.4 MB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 35.1 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 35.1 kB or 26% of the original size.
Potential reduce by 311.8 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. Matsci.columbia.edu needs all CSS files to be minified and compressed as it can save up to 311.8 kB or 80% of the original size.
Number of requests can be reduced by 20 (38%)
53
33
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Matsci Columbia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
matsci.columbia.edu
53 ms
materials-science-engineering
7356 ms
cu-privacy-notice.css
135 ms
tis6gfs.js
76 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
76 ms
css_CbLqf_ytnelZo4Ljlo7NHUdX7emsHIDNs17L9Qnma58.css
118 ms
css_Wu8npAzy16WmnnnWKxpexfgsAryolGGaX6yO3GWA5bU.css
120 ms
font-awesome.min.css
82 ms
css_f0hEtMSGNCoUUAYFZInfeGa-_3ucRG-cBO9sDt2f8JA.css
134 ms
jquery.min.js
73 ms
js_xfJAFnm1CfG6KL5LaTfBipQPWNYRMQSR_dL01Bj6kk0.js
174 ms
js_EKo0xfx_njkb04NnZMeYjWI1OTxTJ3s1KYQQH3Y24_c.js
89 ms
js_fgpnsO1wa5ruN0Q7KGJ9WlM36cSvo4lD0oeb89Q7bLU.js
171 ms
js_8IGtIn1qHqi0MUna1xdO2DfzlMFwgmJF_COtShrl4oc.js
172 ms
modernizr.min.js
205 ms
respond.min.js
183 ms
analytics.js
322 ms
hqdefault.jpg
342 ms
hqdefault.jpg
368 ms
hqdefault.jpg
369 ms
hqdefault.jpg
371 ms
hqdefault.jpg
369 ms
hqdefault.jpg
370 ms
hqdefault.jpg
392 ms
logo.png
313 ms
footer-logo.png
313 ms
8lTdZ-U0Qm8
351 ms
final_4k_nlt_scaling_smooth_1_0.png
638 ms
mary_rose.png
1299 ms
gang_teaser.jpg
112 ms
katayun_barmak.png
784 ms
yuan-yang.jpg
110 ms
new_simon-billinge-juami_teaser.png.jpg
110 ms
mary_rose.png
521 ms
teaser-quantum.jpg
455 ms
k_barmak.png
349 ms
simon_billinge_2021.png
516 ms
k_barmak.png
489 ms
simon_billinge_columbia.png
836 ms
yuan_yang_0.png
596 ms
teaser_t.jpg
595 ms
44019047_6.jpg
1270 ms
6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf
36 ms
d
110 ms
d
80 ms
d
81 ms
seas.ttf
634 ms
d
55 ms
d
55 ms
d
56 ms
collect
32 ms
www-player.css
9 ms
www-embed-player.js
29 ms
base.js
57 ms
fetch-polyfill.js
27 ms
p.gif
319 ms
ad_status.js
146 ms
VM1LbcxuQZ7urdjSm15-Kft2IdlldgxYJTjOL3p1Mjw.js
118 ms
embed.js
36 ms
id
32 ms
KFOmCnqEu92Fr1Mu4mxM.woff
21 ms
KFOlCnqEu92Fr1MmEU9fBBc-.woff
32 ms
Create
75 ms
GenerateIT
21 ms
matsci.columbia.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
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
Some elements have a [tabindex] value greater than 0
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
matsci.columbia.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
Page has valid source maps
matsci.columbia.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
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
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 Matsci.columbia.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 Matsci.columbia.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.
matsci.columbia.edu
Open Graph data is detected on the main page of Matsci Columbia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: