Tools & Wizards About Us

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

columbiaspine.org

Columbia Spine Hospital in New York City | Columbia Neurosurgery in New York City

Page Load Speed

1.8 sec in total

First Response

29 ms

Resources Loaded

1.5 sec

Page Rendered

333 ms

About Website

Welcome to columbiaspine.org homepage info - get ready to check Columbia Spine best content for United States right away, or after learning these important things about columbiaspine.org

The Och Spine Hospital at the Neurological Institute of New York is dedicated to the evaluation and treatment of patients suffering from disorders of the spine and spinal cord.

Visit columbiaspine.org

Key Findings

We analyzed Columbiaspine.org page load time and found that the first response time was 29 ms and then it took 1.8 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.

Performance Metrics

columbiaspine.org performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

och-spine-newyork-presbyterian

29 ms

css__ZH3SlgutO-ioC7msMuJc2-Cn6LTV5MR9CS_GvOjpy0E__JixNt59t_SvMtzuXDMFFkktjDvHLO02MlTnCPnzIviE__A6V-prRdnQyszasjRXhhjjDZY5qWker8BfIgwQ1WcAU.css

10 ms

css__oqdxwshyn-g_2K6ixHfPAyc2oPfRMSl3G75kg9H9YNA__gyEZM2pOuT4fktEetppSLnLFpchYiIGVUFlI-iB4kls__A6V-prRdnQyszasjRXhhjjDZY5qWker8BfIgwQ1WcAU.css

14 ms

css__Y_2VemBtyPwgOW3qEuEeZhnBKwCk56DrTEzHG9yet28__Lf77875HmDgWXlnw7h4mr4mZ7tYhxCC_kbLRCdDA4dk__A6V-prRdnQyszasjRXhhjjDZY5qWker8BfIgwQ1WcAU.css

16 ms

style.css

44 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Columbiaspine.org, 16% (5 requests) were made to Use.typekit.net and 10% (3 requests) were made to Columbiamed.containers.piwik.pro. The less responsive or slowest element that took the longest time to load (456 ms) relates to the external source Columbiamed.containers.piwik.pro.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.4 kB (27%)

Content Size

793.2 kB

After Optimization

575.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Columbiaspine.org main page is 793.2 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. 65% of websites need less resources to load. Images take 452.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 156.6 kB

  • Original 196.9 kB
  • After minification 193.6 kB
  • After compression 40.3 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 156.6 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 40.2 kB

  • Original 452.5 kB
  • After minification 412.4 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. Columbia Spine images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 18.3 kB

  • Original 131.5 kB
  • After minification 131.5 kB
  • After compression 113.1 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 18.3 kB or 14% of the original size.

CSS Optimization

-19%

Potential reduce by 2.3 kB

  • Original 12.3 kB
  • After minification 12.3 kB
  • After compression 10.0 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. Columbiaspine.org needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (58%)

Requests Now

24

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Columbia Spine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

columbiaspine.org accessibility score

100

Accessibility Issues

Best Practices

columbiaspine.org 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

Page has valid source maps

SEO Factors

columbiaspine.org 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 Columbiaspine.org 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 Columbiaspine.org 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 data is detected on the main page of Columbia Spine. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: