441 ms in total
59 ms
232 ms
150 ms
Visit esd.mit.edu now to see the best up-to-date Esd Mit content for United States and also check out these interesting facts you probably never knew about esd.mit.edu
The MIT Institute for Data, Systems, and Society (IDSS) is committed to addressing complex societal challenges by advancing education and research at the intersection of statistics, data science, info...
Visit esd.mit.eduWe analyzed Esd.mit.edu page load time and found that the first response time was 59 ms and then it took 382 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
esd.mit.edu performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value10.0 s
0/100
25%
Value9.7 s
11/100
10%
Value90 ms
99/100
30%
Value0.081
94/100
15%
Value12.7 s
14/100
10%
59 ms
25 ms
42 ms
70 ms
69 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Esd.mit.edu, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (76 ms) belongs to the original domain Esd.mit.edu.
Page size can be reduced by 28.7 kB (17%)
164.4 kB
135.7 kB
In fact, the total size of Esd.mit.edu main page is 164.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 121.1 kB which makes up the majority of the site volume.
Potential reduce by 11.7 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. This page needs HTML code to be minified as it can gain 2.4 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 11.7 kB or 77% of the original size.
Potential reduce by 7.1 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. Esd Mit images are well optimized though.
Potential reduce by 34 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 9.9 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. Esd.mit.edu needs all CSS files to be minified and compressed as it can save up to 9.9 kB or 91% of the original size.
Number of requests can be reduced by 5 (26%)
19
14
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esd Mit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
esd.mit.edu
59 ms
esd.css
25 ms
ga.js
42 ms
esd-logo-banner-xl.png
70 ms
esd-logo-banner-xl-MIT.png
69 ms
line-424-960x4.gif
70 ms
box-7E8082.gif
73 ms
line-white-25x1.gif
72 ms
idss-line.png
72 ms
idss.png
74 ms
facebook.png
72 ms
twitter.png
74 ms
google+.png
74 ms
SoE-placeholder.png
75 ms
Sloan.png
75 ms
School-of-Science-ph.png
74 ms
School-of-Humanities-ph.png
75 ms
SA+P.png
76 ms
ax.pl
76 ms
__utm.gif
19 ms
2.jpg
43 ms
esd.mit.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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
esd.mit.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
esd.mit.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
Image elements do not have [alt] attributes
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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esd.mit.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Esd.mit.edu main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
esd.mit.edu
Open Graph description is not detected on the main page of Esd Mit. 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: