Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

dsm5.org

Psychiatry.org - DSM

Page Load Speed

1.5 sec in total

First Response

32 ms

Resources Loaded

1.2 sec

Page Rendered

281 ms

dsm5.org screenshot

About Website

Visit dsm5.org now to see the best up-to-date DSM 5 content for United States and also check out these interesting facts you probably never knew about dsm5.org

Learn about DSM-5-TR, the standard classification of mental disorders used by mental health professionals in the U.S.

Visit dsm5.org

Key Findings

We analyzed Dsm5.org page load time and found that the first response time was 32 ms and then it took 1.4 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

dsm5.org performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value2,240 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value15.0 s

7/100

10%

Network Requests Diagram

dsm5.org

32 ms

dsm5

60 ms

dsm5

190 ms

CookieProConsent.js

49 ms

otSDKStub.js

94 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Dsm5.org, 38% (14 requests) were made to Psychiatry.org and 11% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (316 ms) relates to the external source Cdn.icomoon.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.1 kB (42%)

Content Size

396.4 kB

After Optimization

228.3 kB

In fact, the total size of Dsm5.org main page is 396.4 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. 70% of websites need less resources to load. HTML takes 186.2 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 166.3 kB

  • Original 186.2 kB
  • After minification 106.6 kB
  • After compression 19.9 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 79.6 kB, which is 43% 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 166.3 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.7 kB
  • After minification 1.7 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. DSM 5 images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 320 B

  • Original 156.7 kB
  • After minification 156.7 kB
  • After compression 156.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 1.5 kB

  • Original 51.7 kB
  • After minification 51.7 kB
  • After compression 50.2 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. Dsm5.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (72%)

Requests Now

29

After Optimization

8

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DSM 5. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dsm5.org accessibility score

93

Accessibility Issues

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

Buttons do not have an accessible name

Best Practices

dsm5.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

dsm5.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 Dsm5.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 Dsm5.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 DSM 5. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: