Tools & Wizards About Us
jamaderm.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

jamaderm.com

JAMA Dermatology – The Latest in the Science of Skin Disorders

Page Load Speed

3.4 sec in total

First Response

45 ms

Resources Loaded

3 sec

Page Rendered

385 ms

jamaderm.com screenshot

About Website

Welcome to jamaderm.com homepage info - get ready to check JAMA Derm best content for United States right away, or after learning these important things about jamaderm.com

Explore the latest treatments for vitiligo, hidradenitis suppurativa, lichen sclerosus, melanoma, cosmetic dermatology, and more. Formerly Archives of Dermatology.

Visit jamaderm.com

Key Findings

We analyzed Jamaderm.com page load time and found that the first response time was 45 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jamaderm.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value3,010 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

jamaderm.com

45 ms

jamadermatology

2349 ms

gpt.js

109 ms

app.min.css

55 ms

head.min.js

53 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Jamaderm.com, 75% (24 requests) were made to Cdn.jamanetwork.com and 9% (3 requests) were made to R451.jamanetwork.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Jamanetwork.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.7 kB (13%)

Content Size

727.2 kB

After Optimization

633.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jamaderm.com main page is 727.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 392.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 92.2 kB

  • Original 112.4 kB
  • After minification 96.4 kB
  • After compression 20.3 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. This page needs HTML code to be minified as it can gain 16.0 kB, which is 14% 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 92.2 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 59 B

  • Original 148.4 kB
  • After minification 148.4 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. JAMA Derm images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.1 kB

  • Original 392.4 kB
  • After minification 392.4 kB
  • After compression 391.4 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

-1%

Potential reduce by 453 B

  • Original 73.9 kB
  • After minification 73.9 kB
  • After compression 73.5 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. Jamaderm.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (30%)

Requests Now

23

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JAMA Derm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jamaderm.com

jamaderm.com

45 ms

jamadermatology

jamadermatology

2349 ms

gpt.js

gpt.js

109 ms

app.min.css

app.min.css

55 ms

head.min.js

head.min.js

53 ms

script.js

script.js

137 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

51 ms

app.min.js

app.min.js

104 ms

_trendMD.css

_trendMD.css

103 ms

pubads_impl.js

pubads_impl.js

267 ms

758

758

354 ms

gtm.js

gtm.js

358 ms

Jama_Network_Logo.svg

Jama_Network_Logo.svg

251 ms

jamadermatology.svg

jamadermatology.svg

240 ms

240828-der-ec-800.jpg

240828-der-ec-800.jpg

241 ms

get-there-375.svg

get-there-375.svg

230 ms

instagram-icon-black.svg

instagram-icon-black.svg

239 ms

instagram-icon-fill.png

instagram-icon-fill.png

229 ms

institutions.svg

institutions.svg

241 ms

copyright-white.svg

copyright-white.svg

242 ms

derm.jpg

derm.jpg

242 ms

jn-signature-reversed-r.svg

jn-signature-reversed-r.svg

241 ms

powered.png

powered.png

245 ms

seamless-access.svg

seamless-access.svg

243 ms

GuardianTextSans-Regular-Web.woff

GuardianTextSans-Regular-Web.woff

243 ms

GuardianTextSans-Medium-Web.woff

GuardianTextSans-Medium-Web.woff

246 ms

GuardianTextSans-Bold-Web.woff

GuardianTextSans-Bold-Web.woff

245 ms

GuardianTextSans-MediumIt-Web.woff

GuardianTextSans-MediumIt-Web.woff

95 ms

GuardianTextSans-RegularIt-Web.woff

GuardianTextSans-RegularIt-Web.woff

97 ms

GuardianTextSans-BoldIt-Web.woff

GuardianTextSans-BoldIt-Web.woff

97 ms

ama_icons.ttf

ama_icons.ttf

98 ms

5f9dc48a66cb739596f6a6b0f1ad4766

5f9dc48a66cb739596f6a6b0f1ad4766

48 ms

Accessibility Review

jamaderm.com accessibility score

92

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

jamaderm.com 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

jamaderm.com SEO score

85

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Jamaderm.com 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 Jamaderm.com 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

jamaderm.com

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