Tools & Wizards About Us
media.jamanetwork.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

media.jamanetwork.com

For the Media - Embargoed Access to the JAMA Network

Page Load Speed

2 sec in total

First Response

71 ms

Resources Loaded

797 ms

Page Rendered

1.1 sec

media.jamanetwork.com screenshot

About Website

Visit media.jamanetwork.com now to see the best up-to-date Media JAMA Network content for United States and also check out these interesting facts you probably never knew about media.jamanetwork.com

Access embargoed news releases, journal articles, and JAMA Report Video releases from The JAMA Network.

Visit media.jamanetwork.com

Key Findings

We analyzed Media.jamanetwork.com page load time and found that the first response time was 71 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

media.jamanetwork.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

media.jamanetwork.com

71 ms

media.jamanetwork.com

138 ms

script.js

18 ms

style.min.css

44 ms

mailin-front.css

74 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 80% of them (20 requests) were addressed to the original Media.jamanetwork.com, 8% (2 requests) were made to Ama.blueconic.net and 4% (1 request) were made to R451.jamanetwork.com. The less responsive or slowest element that took the longest time to load (321 ms) belongs to the original domain Media.jamanetwork.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 744.3 kB (34%)

Content Size

2.2 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Media.jamanetwork.com main page is 2.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 37.4 kB

  • Original 47.5 kB
  • After minification 45.7 kB
  • After compression 10.1 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 37.4 kB or 79% of the original size.

Image Optimization

-34%

Potential reduce by 700.5 kB

  • Original 2.1 MB
  • After minification 1.4 MB

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, Media JAMA Network needs image optimization as it can save up to 700.5 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 4.8 kB

  • Original 65.7 kB
  • After minification 65.7 kB
  • After compression 60.8 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

-6%

Potential reduce by 1.6 kB

  • Original 26.8 kB
  • After minification 26.8 kB
  • After compression 25.2 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. Media.jamanetwork.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (67%)

Requests Now

21

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Media JAMA Network. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

media.jamanetwork.com

media.jamanetwork.com

71 ms

media.jamanetwork.com

media.jamanetwork.com

138 ms

script.js

script.js

18 ms

style.min.css

style.min.css

44 ms

mailin-front.css

mailin-front.css

74 ms

style.css

style.css

97 ms

copy-link.css

copy-link.css

96 ms

jquery.min.js

jquery.min.js

159 ms

jquery-migrate.min.js

jquery-migrate.min.js

103 ms

mailin-front.js

mailin-front.js

103 ms

modernizr.custom.min.js

modernizr.custom.min.js

185 ms

BrightcoveExperiences.js

BrightcoveExperiences.js

38 ms

jquery.simplemodal.js

jquery.simplemodal.js

124 ms

scripts-min.js

scripts-min.js

181 ms

copy-link.js

copy-link.js

134 ms

1033

1033

62 ms

7 ms

gtm.js

gtm.js

85 ms

logo_for_the_media.png

logo_for_the_media.png

243 ms

MEDIA_graphic_050924.png

MEDIA_graphic_050924.png

321 ms

Michalski-Jim-09_1-150x150.jpg

Michalski-Jim-09_1-150x150.jpg

245 ms

jn-sig-h-OneColor.svg

jn-sig-h-OneColor.svg

34 ms

icomoon.woff

icomoon.woff

46 ms

jn-logotype-Reverse-cmyk%C2%AE.svg

jn-logotype-Reverse-cmyk%C2%AE.svg

33 ms

print.css

print.css

50 ms

Accessibility Review

media.jamanetwork.com accessibility score

81

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

media.jamanetwork.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

media.jamanetwork.com SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Media.jamanetwork.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 Media.jamanetwork.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

media.jamanetwork.com

Open Graph description is not detected on the main page of Media JAMA Network. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: