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oncology.jamanetwork.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

oncology.jamanetwork.com

JAMA Oncology – Cancer Treatment, Genetics, & Prevention

Page Load Speed

2.2 sec in total

First Response

33 ms

Resources Loaded

1.6 sec

Page Rendered

547 ms

oncology.jamanetwork.com screenshot

About Website

Click here to check amazing Oncology JAMA Network content for United States. Otherwise, check out these important facts you probably never knew about oncology.jamanetwork.com

Explore the latest in cancer science including checkpoint inhibitors, DCIS, breast prostate and lung cancer treatment, aspirin prevention, biomarkers, and more.

Visit oncology.jamanetwork.com

Key Findings

We analyzed Oncology.jamanetwork.com page load time and found that the first response time was 33 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

oncology.jamanetwork.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value3,650 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

oncology.jamanetwork.com

33 ms

jamaoncology

810 ms

gpt.js

114 ms

app.min.css

44 ms

head.min.js

43 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Oncology.jamanetwork.com, 69% (24 requests) were made to Cdn.jamanetwork.com and 9% (3 requests) were made to Securepubads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (810 ms) relates to the external source Jamanetwork.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.1 kB (19%)

Content Size

486.6 kB

After Optimization

394.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oncology.jamanetwork.com main page is 486.6 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. Javascripts take 226.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 90.8 kB

  • Original 111.1 kB
  • After minification 95.3 kB
  • After compression 20.4 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 15.8 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 90.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 29 B

  • Original 75.3 kB
  • After minification 75.3 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. Oncology JAMA Network images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 831 B

  • Original 226.2 kB
  • After minification 226.2 kB
  • After compression 225.4 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 463 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. Oncology.jamanetwork.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (31%)

Requests Now

26

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oncology 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 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

oncology.jamanetwork.com

oncology.jamanetwork.com

33 ms

jamaoncology

jamaoncology

810 ms

gpt.js

gpt.js

114 ms

app.min.css

app.min.css

44 ms

head.min.js

head.min.js

43 ms

script.js

script.js

143 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

41 ms

app.min.js

app.min.js

106 ms

_trendMD.css

_trendMD.css

105 ms

pubads_impl.js

pubads_impl.js

337 ms

cs

cs

391 ms

gtm.js

gtm.js

567 ms

Jama_Network_Logo.svg

Jama_Network_Logo.svg

318 ms

jamaoncology.svg

jamaoncology.svg

361 ms

240801-onc-ec-800.jpg

240801-onc-ec-800.jpg

378 ms

get-there-375.svg

get-there-375.svg

361 ms

instagram-icon-black.svg

instagram-icon-black.svg

291 ms

instagram-icon-fill.png

instagram-icon-fill.png

292 ms

institutions.svg

institutions.svg

375 ms

copyright-white.svg

copyright-white.svg

378 ms

oncol.jpg

oncol.jpg

385 ms

jn-signature-reversed-r.svg

jn-signature-reversed-r.svg

380 ms

powered.png

powered.png

385 ms

seamless-access.svg

seamless-access.svg

381 ms

GuardianTextSans-Regular-Web.woff

GuardianTextSans-Regular-Web.woff

381 ms

GuardianTextSans-Medium-Web.woff

GuardianTextSans-Medium-Web.woff

384 ms

GuardianTextSans-Bold-Web.woff

GuardianTextSans-Bold-Web.woff

385 ms

GuardianTextSans-MediumIt-Web.woff

GuardianTextSans-MediumIt-Web.woff

165 ms

GuardianTextSans-RegularIt-Web.woff

GuardianTextSans-RegularIt-Web.woff

165 ms

GuardianTextSans-BoldIt-Web.woff

GuardianTextSans-BoldIt-Web.woff

165 ms

ama_icons.ttf

ama_icons.ttf

164 ms

ads

ads

104 ms

container.html

container.html

111 ms

1003

1003

100 ms

53b43643e912f5854be58b307a9f1c7e

53b43643e912f5854be58b307a9f1c7e

13 ms

Accessibility Review

oncology.jamanetwork.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

oncology.jamanetwork.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

oncology.jamanetwork.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 Oncology.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 Oncology.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

oncology.jamanetwork.com

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