Tools & Wizards About Us
apply.mailman.columbia.edu screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

apply.mailman.columbia.edu

Become a Student | Columbia University Mailman School of Public Health

Page Load Speed

330 ms in total

First Response

46 ms

Resources Loaded

191 ms

Page Rendered

93 ms

apply.mailman.columbia.edu screenshot

About Website

Click here to check amazing Apply Mailman Columbia content for United States. Otherwise, check out these important facts you probably never knew about apply.mailman.columbia.edu

Building on a legacy of academic excellence, our programs educate and train the public health leaders of tomorrow. 

Visit apply.mailman.columbia.edu

Key Findings

We analyzed Apply.mailman.columbia.edu page load time and found that the first response time was 46 ms and then it took 284 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. This domain responded with an error, which can significantly jeopardize Apply.mailman.columbia.edu rating and web reputation

Performance Metrics

apply.mailman.columbia.edu performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value10,420 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value35.2 s

0/100

10%

Network Requests Diagram

apply.mailman.columbia.edu

46 ms

alert.png

17 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Apply.mailman.columbia.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (46 ms) belongs to the original domain Apply.mailman.columbia.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 933 B (13%)

Content Size

7.0 kB

After Optimization

6.0 kB

  • HTML
  • Images

In fact, the total size of Apply.mailman.columbia.edu main page is 7.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 5.0 kB which makes up the majority of the site volume.

HTML Optimization

-47%

Potential reduce by 925 B

  • Original 2.0 kB
  • After minification 1.9 kB
  • After compression 1.1 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 925 B or 47% of the original size.

Image Optimization

-0%

Potential reduce by 8 B

  • Original 5.0 kB
  • After minification 5.0 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. Apply Mailman Columbia images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • Images

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Apply Mailman Columbia. According to our analytics all requests are already optimized.

Network Requests Diagram

apply.mailman.columbia.edu

apply.mailman.columbia.edu

46 ms

alert.png

alert.png

17 ms

Accessibility Review

apply.mailman.columbia.edu accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

apply.mailman.columbia.edu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

apply.mailman.columbia.edu SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Apply.mailman.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 Apply.mailman.columbia.edu main page’s claimed encoding is . 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.

Social Sharing Optimization

apply.mailman.columbia.edu

Open Graph description is not detected on the main page of Apply Mailman Columbia. 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: