Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    86% of websites

  • 75

    SEO

    Google-friendlier than
    41% of websites

alo.mit.edu

Andrew Lo – The Charles E. and Susan T. Harris Professor at the MIT Sloan School of Management and director of the MIT Laboratory for Financial Engine...

Page Load Speed

2.2 sec in total

First Response

186 ms

Resources Loaded

1.5 sec

Page Rendered

518 ms

alo.mit.edu screenshot

About Website

Visit alo.mit.edu now to see the best up-to-date A Lo MIT content for United States and also check out these interesting facts you probably never knew about alo.mit.edu

Visit alo.mit.edu

Key Findings

We analyzed Alo.mit.edu page load time and found that the first response time was 186 ms and then it took 2 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.

Performance Metrics

alo.mit.edu performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

alo.mit.edu

186 ms

alo.mit.edu

441 ms

analytics.js

58 ms

wp-emoji-release.min.js

107 ms

style.min.css

125 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 52% of them (17 requests) were addressed to the original Alo.mit.edu, 36% (12 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (455 ms) belongs to the original domain Alo.mit.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 290.6 kB (19%)

Content Size

1.5 MB

After Optimization

1.2 MB

In fact, the total size of Alo.mit.edu main page is 1.5 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 97.0 kB

  • Original 117.6 kB
  • After minification 96.6 kB
  • After compression 20.6 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 21.0 kB, which is 18% 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 97.0 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 16.5 kB

  • Original 1.1 MB
  • After minification 1.1 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. A Lo MIT images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 67.5 kB

  • Original 114.4 kB
  • After minification 112.6 kB
  • After compression 46.9 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 67.5 kB or 59% of the original size.

CSS Optimization

-76%

Potential reduce by 109.5 kB

  • Original 143.5 kB
  • After minification 134.7 kB
  • After compression 34.0 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. Alo.mit.edu needs all CSS files to be minified and compressed as it can save up to 109.5 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (68%)

Requests Now

19

After Optimization

6

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A Lo 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 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

alo.mit.edu accessibility score

89

Accessibility Issues

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Best Practices

alo.mit.edu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

alo.mit.edu SEO score

75

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alo.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 Alo.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of A Lo 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: