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kezarlifesciences.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

kezarlifesciences.com

Kezar Life Sciences - Establishing new paths for treating chronic disease

Page Load Speed

2.5 sec in total

First Response

216 ms

Resources Loaded

1.9 sec

Page Rendered

402 ms

kezarlifesciences.com screenshot

About Website

Click here to check amazing Kezar Life Sciences content. Otherwise, check out these important facts you probably never knew about kezarlifesciences.com

At Kezar, we are advancing unique protein-targetingapproaches designed to address the limitationsof available treatments.

Visit kezarlifesciences.com

Key Findings

We analyzed Kezarlifesciences.com page load time and found that the first response time was 216 ms and then it took 2.3 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

kezarlifesciences.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

kezarlifesciences.com

216 ms

kezarlifesciences.com

779 ms

como-pipeline-public.min.css

42 ms

como-custom-boot.min.css

90 ms

all.min.css

102 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 93% of them (41 requests) were addressed to the original Kezarlifesciences.com, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Boards.greenhouse.io. The less responsive or slowest element that took the longest time to load (779 ms) belongs to the original domain Kezarlifesciences.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.0 kB (4%)

Content Size

1.3 MB

After Optimization

1.3 MB

  • HTML
  • Images

In fact, the total size of Kezarlifesciences.com main page is 1.3 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. 65% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 48.9 kB

  • Original 60.3 kB
  • After minification 58.6 kB
  • After compression 11.4 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. 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 48.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 67 B

  • Original 1.2 MB
  • After minification 1.2 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. Kezar Life Sciences images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 15 (50%)

Requests Now

30

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kezar Life Sciences. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kezarlifesciences.com

kezarlifesciences.com

216 ms

kezarlifesciences.com

kezarlifesciences.com

779 ms

como-pipeline-public.min.css

como-pipeline-public.min.css

42 ms

como-custom-boot.min.css

como-custom-boot.min.css

90 ms

all.min.css

all.min.css

102 ms

style.combined.min.css

style.combined.min.css

84 ms

style.css

style.css

72 ms

pipeline_styles.css

pipeline_styles.css

67 ms

style.css

style.css

99 ms

jquery.min.js

jquery.min.js

135 ms

jquery-migrate.min.js

jquery-migrate.min.js

158 ms

aurora-heatmap.min.js

aurora-heatmap.min.js

133 ms

js

js

143 ms

js

js

39 ms

como-strap.min.combined.js

como-strap.min.combined.js

132 ms

como-pipeline-public.min.js

como-pipeline-public.min.js

143 ms

miscellaneous-tracking.js

miscellaneous-tracking.js

143 ms

child.js

child.js

296 ms

child-home.js

child-home.js

298 ms

logo-header-min.png

logo-header-min.png

67 ms

header-mask-home.svg

header-mask-home.svg

71 ms

img-parallax-home-hero-bg-min.png

img-parallax-home-hero-bg-min.png

99 ms

img-parallax-home-hero-front-min.png

img-parallax-home-hero-front-min.png

72 ms

img-inhibition-box-01-min.jpg

img-inhibition-box-01-min.jpg

71 ms

img-inhibition-box-02-min.jpg

img-inhibition-box-02-min.jpg

82 ms

img-bg-molecule-large-min.png

img-bg-molecule-large-min.png

98 ms

img-bg-molecule-small-min.png

img-bg-molecule-small-min.png

106 ms

img-parallax-half-home-patients-min.png

img-parallax-half-home-patients-min.png

116 ms

img-parallax-half-home-careers-min.png

img-parallax-half-home-careers-min.png

173 ms

logo-footer-white-min.png

logo-footer-white-min.png

154 ms

montserrat-v15-latin-300.woff

montserrat-v15-latin-300.woff

177 ms

montserrat-v15-latin-regular.woff

montserrat-v15-latin-regular.woff

257 ms

montserrat-v15-latin-500.woff

montserrat-v15-latin-500.woff

220 ms

montserrat-v15-latin-600.woff

montserrat-v15-latin-600.woff

241 ms

montserrat-v15-latin-700.woff

montserrat-v15-latin-700.woff

302 ms

montserrat-v15-latin-800.woff

montserrat-v15-latin-800.woff

323 ms

montserrat-v15-latin-900.woff

montserrat-v15-latin-900.woff

340 ms

fa-brands-400.ttf

fa-brands-400.ttf

466 ms

fa-regular-400.ttf

fa-regular-400.ttf

617 ms

fa-light-300.ttf

fa-light-300.ttf

403 ms

fa-thin-100.ttf

fa-thin-100.ttf

439 ms

fa-solid-900.ttf

fa-solid-900.ttf

561 ms

app.js

app.js

88 ms

Everest_Logo_Eng_v2.png

Everest_Logo_Eng_v2.png

347 ms

Accessibility Review

kezarlifesciences.com accessibility score

91

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s do not have all required [aria-*] attributes

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

kezarlifesciences.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kezarlifesciences.com SEO score

93

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

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 Kezarlifesciences.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 Kezarlifesciences.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

kezarlifesciences.com

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