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questdiagnostic.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

questdiagnostic.com

Home | Quest Diagnostics

Page Load Speed

1.4 sec in total

First Response

171 ms

Resources Loaded

1 sec

Page Rendered

266 ms

questdiagnostic.com screenshot

About Website

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

At Quest, we're working together to create a healthier world, one life at a time.

Visit questdiagnostic.com

Key Findings

We analyzed Questdiagnostic.com page load time and found that the first response time was 171 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

questdiagnostic.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.306

38/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

questdiagnostic.com

171 ms

home.html

41 ms

quest.css

33 ms

preview.css

61 ms

jwbox.css

60 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Questdiagnostic.com, 82% (42 requests) were made to Questdiagnostics.com and 8% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (256 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 366.4 kB (66%)

Content Size

555.4 kB

After Optimization

189.0 kB

  • HTML
  • JavaScript

In fact, the total size of Questdiagnostic.com main page is 555.4 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. 55% of websites need less resources to load. Javascripts take 413.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 113.4 kB

  • Original 142.0 kB
  • After minification 140.0 kB
  • After compression 28.6 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 113.4 kB or 80% of the original size.

JavaScript Optimization

-61%

Potential reduce by 253.0 kB

  • Original 413.4 kB
  • After minification 413.4 kB
  • After compression 160.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 253.0 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (49%)

Requests Now

49

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Quest Diagnostic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

questdiagnostic.com

questdiagnostic.com

171 ms

home.html

home.html

41 ms

quest.css

quest.css

33 ms

preview.css

preview.css

61 ms

jwbox.css

jwbox.css

60 ms

gtm-quest.js

gtm-quest.js

61 ms

jquery.1.5.1.min.js

jquery.1.5.1.min.js

86 ms

quest.js

quest.js

60 ms

jquery.uniform.1.5.min.js

jquery.uniform.1.5.min.js

63 ms

tc.js

tc.js

89 ms

jwplayer.js

jwplayer.js

114 ms

jquery.jwbox.js

jquery.jwbox.js

89 ms

magnolia_utility_all.js

magnolia_utility_all.js

90 ms

addthis_widget.js

addthis_widget.js

13 ms

mdetect.js

mdetect.js

93 ms

slider.css

slider.css

86 ms

mainnav.css

mainnav.css

89 ms

specialalert.css

specialalert.css

90 ms

morebar.css

morebar.css

91 ms

footernav.css

footernav.css

93 ms

tc.css

tc.css

115 ms

uniform.css

uniform.css

119 ms

fonts.css

fonts.css

124 ms

gtm.js

gtm.js

256 ms

ga.js

ga.js

197 ms

logo.qd.gif

logo.qd.gif

133 ms

btn.go.2015.png

btn.go.2015.png

131 ms

nav-main.matrix.2015.png

nav-main.matrix.2015.png

135 ms

Woman_MyQuest_tablet_170x130.jpg

Woman_MyQuest_tablet_170x130.jpg

137 ms

icon.action.arrow.hvr.png

icon.action.arrow.hvr.png

133 ms

icon.action.arrow.png

icon.action.arrow.png

136 ms

icon.action.plus.hvr.png

icon.action.plus.hvr.png

137 ms

icon.action.plus.png

icon.action.plus.png

137 ms

K115.png

K115.png

140 ms

bg.specialalert.gif

bg.specialalert.gif

137 ms

HOME-Zika.jpg

HOME-Zika.jpg

141 ms

HOME_Data_Diagnostics.jpg

HOME_Data_Diagnostics.jpg

140 ms

HOME-PLS-img.jpg

HOME-PLS-img.jpg

154 ms

HOME_QNatal_NIPS-img.jpg

HOME_QNatal_NIPS-img.jpg

237 ms

male-hand-iPad_170x130.jpg

male-hand-iPad_170x130.jpg

152 ms

patient_infobox_image_smiling_man.png

patient_infobox_image_smiling_man.png

239 ms

MyQuest_mobile_health_app.png

MyQuest_mobile_health_app.png

236 ms

footer.links.2015.png

footer.links.2015.png

237 ms

300lo.json

300lo.json

123 ms

lineto-akkurat-pro-bold.woff

lineto-akkurat-pro-bold.woff

117 ms

lineto-akkurat-pro-regular.woff

lineto-akkurat-pro-regular.woff

79 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

76 ms

analytics.js

analytics.js

58 ms

__utm.gif

__utm.gif

57 ms

collect

collect

27 ms

print.css

print.css

34 ms

Accessibility Review

questdiagnostic.com accessibility score

92

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

[aria-*] attributes do not match their roles

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.

Best Practices

questdiagnostic.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

Page has valid source maps

SEO Factors

questdiagnostic.com SEO score

79

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

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 Questdiagnostic.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 Questdiagnostic.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

questdiagnostic.com

Open Graph description is not detected on the main page of Quest Diagnostic. 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: