Tools & Wizards About Us
brief19.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

brief19.com

Brief19 - Daily Review of Covid-19 Research and Policy

Page Load Speed

1.1 sec in total

First Response

148 ms

Resources Loaded

685 ms

Page Rendered

268 ms

brief19.com screenshot

About Website

Visit brief19.com now to see the best up-to-date Brief19 content and also check out these interesting facts you probably never knew about brief19.com

Brief19 is a daily executive summary of covid-19-related medical research, news, and public policy. It was founded and created by frontline emergency medicine physicians with expertise in medical rese...

Visit brief19.com

Key Findings

We analyzed Brief19.com page load time and found that the first response time was 148 ms and then it took 953 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

brief19.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

brief19.com

148 ms

uikit.min.css

30 ms

component---src-pages-index-js-6ecbf30715c1f98b202a.js

258 ms

41618eb97580918c9eb131c91360c7cc7679a225-d630d63fdcf239af10ae.js

169 ms

534d5c7039a6d154b75953364ba50f8993968bf5-2d42ae38e9b267a9ab8d.js

243 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original Brief19.com, 9% (1 request) were made to Cdn.jsdelivr.net and 9% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (365 ms) belongs to the original domain Brief19.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 81.4 kB (24%)

Content Size

339.6 kB

After Optimization

258.1 kB

  • HTML
  • JavaScript

In fact, the total size of Brief19.com main page is 339.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 281.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 45.4 kB

  • Original 58.0 kB
  • After minification 57.9 kB
  • After compression 12.6 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 45.4 kB or 78% of the original size.

JavaScript Optimization

-13%

Potential reduce by 36.0 kB

  • Original 281.5 kB
  • After minification 281.5 kB
  • After compression 245.5 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 36.0 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (80%)

Requests Now

10

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Brief19. 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

brief19.com

brief19.com

148 ms

uikit.min.css

uikit.min.css

30 ms

component---src-pages-index-js-6ecbf30715c1f98b202a.js

component---src-pages-index-js-6ecbf30715c1f98b202a.js

258 ms

41618eb97580918c9eb131c91360c7cc7679a225-d630d63fdcf239af10ae.js

41618eb97580918c9eb131c91360c7cc7679a225-d630d63fdcf239af10ae.js

169 ms

534d5c7039a6d154b75953364ba50f8993968bf5-2d42ae38e9b267a9ab8d.js

534d5c7039a6d154b75953364ba50f8993968bf5-2d42ae38e9b267a9ab8d.js

243 ms

commons-5e864d9e8a0f79e8e8f7.js

commons-5e864d9e8a0f79e8e8f7.js

251 ms

styles-36681512479a843831b0.js

styles-36681512479a843831b0.js

161 ms

app-a0d0503cdfec40780c00.js

app-a0d0503cdfec40780c00.js

262 ms

framework-6caefee9fcad915ef86d.js

framework-6caefee9fcad915ef86d.js

365 ms

webpack-runtime-496871cdaf4109c8f0dd.js

webpack-runtime-496871cdaf4109c8f0dd.js

290 ms

analytics.js

analytics.js

26 ms

Accessibility Review

brief19.com accessibility score

83

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

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

brief19.com best practices score

92

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

Page has valid source maps

SEO Factors

brief19.com 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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Brief19.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Brief19.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

brief19.com

Open Graph data is detected on the main page of Brief19. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: