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doctors.columbia.edu screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

doctors.columbia.edu

Find the nearest Columbia University Irving Medical Center Doctor near you | family physicians, pediatricians, surgeons

Page Load Speed

2.3 sec in total

First Response

993 ms

Resources Loaded

1.2 sec

Page Rendered

97 ms

doctors.columbia.edu screenshot

About Website

Welcome to doctors.columbia.edu homepage info - get ready to check Doctor S Columbia best content for United States right away, or after learning these important things about doctors.columbia.edu

Search Columbia University Irving Medical Center doctors to find the nearest physician, pediatrician, surgeon, or specialist near you.

Visit doctors.columbia.edu

Key Findings

We analyzed Doctors.columbia.edu page load time and found that the first response time was 993 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

doctors.columbia.edu performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value3,190 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

doctors.columbia.edu

993 ms

en.d85c9b4a.js

31 ms

gtm.js

61 ms

complete-columbia-logo.484f46a0.svg

32 ms

cuimc-mobile-logo.13ae3f49.svg

29 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 83% of them (10 requests) were addressed to the original Doctors.columbia.edu, 8% (1 request) were made to Googletagmanager.com and 8% (1 request) were made to App.grandrounds.com. The less responsive or slowest element that took the longest time to load (993 ms) belongs to the original domain Doctors.columbia.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 298.9 kB (87%)

Content Size

343.4 kB

After Optimization

44.5 kB

  • HTML
  • JavaScript

In fact, the total size of Doctors.columbia.edu main page is 343.4 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. 25% of websites need less resources to load. HTML takes 342.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 298.8 kB

  • Original 342.8 kB
  • After minification 342.7 kB
  • After compression 44.0 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 298.8 kB or 87% of the original size.

JavaScript Optimization

-3%

Potential reduce by 14 B

  • Original 530 B
  • After minification 530 B
  • After compression 516 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.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doctor S Columbia. According to our analytics all requests are already optimized.

Network Requests Diagram

doctors.columbia.edu

doctors.columbia.edu

993 ms

en.d85c9b4a.js

en.d85c9b4a.js

31 ms

gtm.js

gtm.js

61 ms

complete-columbia-logo.484f46a0.svg

complete-columbia-logo.484f46a0.svg

32 ms

cuimc-mobile-logo.13ae3f49.svg

cuimc-mobile-logo.13ae3f49.svg

29 ms

ajax-loader-transparent.a51c5608.gif

ajax-loader-transparent.a51c5608.gif

40 ms

checkbox-check.da80af59.svg

checkbox-check.da80af59.svg

72 ms

preferred-provider.js

preferred-provider.js

64 ms

icons.afa876d3.svg

icons.afa876d3.svg

28 ms

columbia-logo-height-adjusted.97d8c23b.svg

columbia-logo-height-adjusted.97d8c23b.svg

33 ms

nyp-logo-height-adjusted.d3063e8a.svg

nyp-logo-height-adjusted.d3063e8a.svg

36 ms

glyphs.857c89c6.ttf

glyphs.857c89c6.ttf

11 ms

Accessibility Review

doctors.columbia.edu accessibility score

100

Accessibility Issues

Best Practices

doctors.columbia.edu best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

doctors.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

    UTF-8

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

Social Sharing Optimization

doctors.columbia.edu

Open Graph data is detected on the main page of Doctor S Columbia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: