Tools & Wizards About Us
prezista.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

prezista.com

PREZISTA® (darunavir) Patients and Caregivers Homepage | PREZISTA® (darunavir)

Page Load Speed

2.6 sec in total

First Response

40 ms

Resources Loaded

2.4 sec

Page Rendered

117 ms

prezista.com screenshot

About Website

Visit prezista.com now to see the best up-to-date PREZISTA content for United States and also check out these interesting facts you probably never knew about prezista.com

Learn how once-daily HIV medication PREZISTA® (darunavir) 800 mg in combination with other HIV medicines can impact CD4 cell count and viral load.

Visit prezista.com

Key Findings

We analyzed Prezista.com page load time and found that the first response time was 40 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

prezista.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value1,460 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

prezista.com

40 ms

www.prezista.com

155 ms

gtm.js

117 ms

ctools8ce4.css

76 ms

jqModal8ce4.css

55 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 88% of them (52 requests) were addressed to the original Prezista.com, 3% (2 requests) were made to Components.janssenos.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Prezista.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 116.9 kB (29%)

Content Size

408.9 kB

After Optimization

292.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prezista.com main page is 408.9 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. 30% of websites need less resources to load. Images take 212.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 27.6 kB

  • Original 35.7 kB
  • After minification 30.0 kB
  • After compression 8.1 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. This page needs HTML code to be minified as it can gain 5.8 kB, which is 16% 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 27.6 kB or 77% of the original size.

Image Optimization

-25%

Potential reduce by 53.1 kB

  • Original 212.7 kB
  • After minification 159.7 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. Obviously, PREZISTA needs image optimization as it can save up to 53.1 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-23%

Potential reduce by 26.3 kB

  • Original 115.8 kB
  • After minification 115.8 kB
  • After compression 89.5 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 26.3 kB or 23% of the original size.

CSS Optimization

-22%

Potential reduce by 9.9 kB

  • Original 44.7 kB
  • After minification 44.1 kB
  • After compression 34.8 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. Prezista.com needs all CSS files to be minified and compressed as it can save up to 9.9 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (70%)

Requests Now

56

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PREZISTA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

prezista.com

prezista.com

40 ms

www.prezista.com

www.prezista.com

155 ms

gtm.js

gtm.js

117 ms

ctools8ce4.css

ctools8ce4.css

76 ms

jqModal8ce4.css

jqModal8ce4.css

55 ms

loading8ce4.css

loading8ce4.css

107 ms

extlink8ce4.css

extlink8ce4.css

78 ms

extlink_modal8ce4.css

extlink_modal8ce4.css

102 ms

reset8ce4.css

reset8ce4.css

92 ms

general8ce4.css

general8ce4.css

221 ms

content8ce4.css

content8ce4.css

205 ms

text-resizer8ce4.css

text-resizer8ce4.css

159 ms

mobileUI1.css

mobileUI1.css

216 ms

isi_automation.css

isi_automation.css

157 ms

jquery-3.6.4.min.js

jquery-3.6.4.min.js

226 ms

jquery-migrate-1.4.1.min.js

jquery-migrate-1.4.1.min.js

250 ms

drupal.js

drupal.js

214 ms

functions8ce4.js

functions8ce4.js

254 ms

jnj-brochure-manager8ce4.js

jnj-brochure-manager8ce4.js

263 ms

jqModal8ce4.js

jqModal8ce4.js

278 ms

jquery.validate8ce4.js

jquery.validate8ce4.js

272 ms

general_functions8ce4.js

general_functions8ce4.js

280 ms

send-to-a-friend8ce4.js

send-to-a-friend8ce4.js

323 ms

jquery.alphanumeric.pack8ce4.js

jquery.alphanumeric.pack8ce4.js

296 ms

extlink8ce4.js

extlink8ce4.js

372 ms

text-resizer8ce4.js

text-resizer8ce4.js

321 ms

general8ce4.js

general8ce4.js

330 ms

ce_glossary8ce4.js

ce_glossary8ce4.js

342 ms

patients_glossary8ce4.js

patients_glossary8ce4.js

401 ms

swfobject8ce4.js

swfobject8ce4.js

418 ms

jquery.simplemodal-1.3.58ce4.js

jquery.simplemodal-1.3.58ce4.js

384 ms

jquery.jqtransform8ce4.js

jquery.jqtransform8ce4.js

403 ms

jcarousellite_1.0.1.min8ce4.js

jcarousellite_1.0.1.min8ce4.js

374 ms

main.js

main.js

408 ms

isi_automation.js

isi_automation.js

454 ms

ccpa_footer.js

ccpa_footer.js

427 ms

isi_client.min.js

isi_client.min.js

58 ms

common.js

common.js

97 ms

cpra.css

cpra.css

445 ms

handlebars.min.js

handlebars.min.js

38 ms

common.js

common.js

132 ms

wz_tooltip.js

wz_tooltip.js

466 ms

BC-GATracker8ce4.js

BC-GATracker8ce4.js

465 ms

logo-prezista.gif

logo-prezista.gif

70 ms

right-arrow.png

right-arrow.png

64 ms

icon-secondary-home.png

icon-secondary-home.png

31 ms

tibotec.gif

tibotec.gif

33 ms

logo-prezista-footer.gif

logo-prezista-footer.gif

70 ms

jp_text.gif

jp_text.gif

64 ms

bg_top_site_safari_ie7.png

bg_top_site_safari_ie7.png

92 ms

bg-container.gif

bg-container.gif

74 ms

bg-header.gif

bg-header.gif

74 ms

activityi;src=3898901;type=prezi682;cat=przpr203;ord=3921296405605.9717

activityi;src=3898901;type=prezi682;cat=przpr203;ord=3921296405605.9717

74 ms

header-menu-markers.gif

header-menu-markers.gif

68 ms

sp-general.png

sp-general.png

86 ms

Prezista_Gradient.jpg

Prezista_Gradient.jpg

1698 ms

sp_btn.png

sp_btn.png

153 ms

src=3898901;type=prezi682;cat=przpr203;ord=3921296405605.9717

src=3898901;type=prezi682;cat=przpr203;ord=3921296405605.9717

75 ms

print8ce4.css

print8ce4.css

36 ms

Accessibility Review

prezista.com accessibility score

84

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 input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

prezista.com best practices score

50

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

prezista.com SEO score

74

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prezista.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 Prezista.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

prezista.com

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