Tools & Wizards About Us
scid4.org screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% 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

scid4.org

SCID-IV | Columbia University Department of Psychiatry

Page Load Speed

1.1 sec in total

First Response

35 ms

Resources Loaded

958 ms

Page Rendered

148 ms

scid4.org screenshot

About Website

Click here to check amazing SCID 4 content for United States. Otherwise, check out these important facts you probably never knew about scid4.org

The Structured Clinical Interview for DSM-IV (SCID-IV) published in 1994 is a semi-structured interview guide for making DSM-IV diagnoses.

Visit scid4.org

Key Findings

We analyzed Scid4.org page load time and found that the first response time was 35 ms and then it took 1.1 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

scid4.org performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value360 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

13821

35 ms

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9 ms

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26 ms

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12 ms

style.css

33 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Scid4.org, 17% (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 (352 ms) relates to the external source Use.typekit.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.3 kB (51%)

Content Size

348.9 kB

After Optimization

169.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scid4.org main page is 348.9 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. HTML takes 175.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 140.8 kB

  • Original 175.3 kB
  • After minification 173.1 kB
  • After compression 34.5 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 140.8 kB or 80% of the original size.

Image Optimization

-30%

Potential reduce by 5.8 kB

  • Original 19.4 kB
  • After minification 13.6 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. Obviously, SCID 4 needs image optimization as it can save up to 5.8 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-22%

Potential reduce by 30.6 kB

  • Original 142.2 kB
  • After minification 142.2 kB
  • After compression 111.6 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 30.6 kB or 22% of the original size.

CSS Optimization

-18%

Potential reduce by 2.2 kB

  • Original 12.0 kB
  • After minification 12.0 kB
  • After compression 9.8 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. Scid4.org needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (61%)

Requests Now

23

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SCID 4. 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

13821

13821

35 ms

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9 ms

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26 ms

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12 ms

style.css

style.css

33 ms

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12 ms

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12 ms

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25 ms

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25 ms

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24 ms

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27 ms

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184 ms

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184 ms

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182 ms

p.css

p.css

176 ms

b8d9e86e-6ed1-44a2-9b5c-7cc1f1e7fb18.js

b8d9e86e-6ed1-44a2-9b5c-7cc1f1e7fb18.js

209 ms

cuimc.svg

cuimc.svg

137 ms

logo-psychiatry-desktop.svg

logo-psychiatry-desktop.svg

128 ms

logo-columbia--white.svg

logo-columbia--white.svg

129 ms

logo-nyp-white.svg

logo-nyp-white.svg

131 ms

logo-nyspi-white.png

logo-nyspi-white.png

132 ms

logo-columbia-doctors-white.svg

logo-columbia-doctors-white.svg

132 ms

d

d

153 ms

d

d

285 ms

d

d

313 ms

d

d

352 ms

d

d

313 ms

cb-icons.woff

cb-icons.woff

82 ms

privacy-widgets.json

privacy-widgets.json

247 ms

ppms.js

ppms.js

201 ms

Accessibility Review

scid4.org accessibility score

100

Accessibility Issues

Best Practices

scid4.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

scid4.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 Scid4.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 Scid4.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

scid4.org

Open Graph data is detected on the main page of SCID 4. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: