2.2 sec in total
369 ms
1.5 sec
400 ms
Welcome to libguides.mit.edu homepage info - get ready to check Lib Guides MIT best content for United States right away, or after learning these important things about libguides.mit.edu
The libraries of the Massachusetts Institute of Technology - Search, Visit, Research, Explore
Visit libguides.mit.eduWe analyzed Libguides.mit.edu page load time and found that the first response time was 369 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
libguides.mit.edu performance score
name
value
score
weighting
Value10.0 s
0/100
10%
Value12.0 s
0/100
25%
Value10.0 s
9/100
10%
Value300 ms
79/100
30%
Value0.002
100/100
15%
Value12.3 s
15/100
10%
369 ms
69 ms
10 ms
31 ms
47 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Libguides.mit.edu, 14% (4 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (369 ms) relates to the external source Libraries.mit.edu.
Page size can be reduced by 402.5 kB (77%)
522.8 kB
120.2 kB
In fact, the total size of Libguides.mit.edu main page is 522.8 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. 45% of websites need less resources to load. Javascripts take 250.6 kB which makes up the majority of the site volume.
Potential reduce by 43.7 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. 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 43.7 kB or 75% of the original size.
Potential reduce by 0 B
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. Lib Guides MIT images are well optimized though.
Potential reduce by 176.8 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 176.8 kB or 71% of the original size.
Potential reduce by 182.0 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. Libguides.mit.edu needs all CSS files to be minified and compressed as it can save up to 182.0 kB or 86% of the original size.
Number of requests can be reduced by 16 (73%)
22
6
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lib Guides MIT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
369 ms
css
69 ms
font-awesome.min.css
10 ms
animate.css
31 ms
dg-grid.css
47 ms
style.css
46 ms
global.css
58 ms
modernizr.js
43 ms
jquery.min.js
49 ms
external-tracking.min.js
40 ms
moment.js
57 ms
tabletop.js
54 ms
underscore.min.js
55 ms
libhours.js
54 ms
production.min.js
149 ms
wp-emoji-release.min.js
146 ms
ga.js
117 ms
arrow-right-sfw.svg
133 ms
load_chat.php
99 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
74 ms
DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
95 ms
MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf
129 ms
k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf
129 ms
fontawesome-webfont.woff
72 ms
fontawesome-webfont.woff
47 ms
__utm.gif
29 ms
widget_status
34 ms
online.png
15 ms
libguides.mit.edu accessibility score
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
Buttons do not have an accessible name
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
ARIA IDs are not unique
libguides.mit.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
libguides.mit.edu SEO score
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 Libguides.mit.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 Libguides.mit.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.
libguides.mit.edu
Open Graph description is not detected on the main page of Lib Guides 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: