Tools & Wizards About Us
bristol.com.br screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

bristol.com.br

Bristol Myers Squibb - Empresa Biofarmacêutica Global

Page Load Speed

5.5 sec in total

First Response

1.1 sec

Resources Loaded

4.3 sec

Page Rendered

119 ms

bristol.com.br screenshot

About Website

Visit bristol.com.br now to see the best up-to-date Bristol content for Brazil and also check out these interesting facts you probably never knew about bristol.com.br

Saiba mais sobre a Bristo Myers Squibb e nossa missão de descobrir, desenvolver e entregar medicamentos inovadores para pacientes com doenças graves.

Visit bristol.com.br

Key Findings

We analyzed Bristol.com.br page load time and found that the first response time was 1.1 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bristol.com.br performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.667

8/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

Home.aspx

1083 ms

flexcrollstyles.css

577 ms

modal.css

564 ms

swfobject.js

711 ms

jquery-1.8.3.min.js

1134 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 89% of them (49 requests) were addressed to the original Bristol.com.br, 5% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Bristol.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 357.5 kB (10%)

Content Size

3.6 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bristol.com.br main page is 3.6 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. 40% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 29.0 kB

  • Original 41.1 kB
  • After minification 39.4 kB
  • After compression 12.1 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. 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 29.0 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 155.3 kB

  • Original 3.3 MB
  • After minification 3.2 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. Bristol images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 116.8 kB

  • Original 190.8 kB
  • After minification 169.9 kB
  • After compression 74.0 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 116.8 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 56.4 kB

  • Original 68.1 kB
  • After minification 51.9 kB
  • After compression 11.7 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. Bristol.com.br needs all CSS files to be minified and compressed as it can save up to 56.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (60%)

Requests Now

53

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bristol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Home.aspx

Home.aspx

1083 ms

flexcrollstyles.css

flexcrollstyles.css

577 ms

modal.css

modal.css

564 ms

swfobject.js

swfobject.js

711 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

1134 ms

flexcroll.js

flexcroll.js

688 ms

responsiveslides.min.js

responsiveslides.min.js

705 ms

modal.js

modal.js

719 ms

util.js

util.js

699 ms

home.css

home.css

857 ms

searchCommonLayout.css

searchCommonLayout.css

824 ms

WebResource.axd

WebResource.axd

866 ms

WebResource.axd

WebResource.axd

870 ms

WebResource.axd

WebResource.axd

745 ms

WebResource.axd

WebResource.axd

685 ms

ScriptResource.axd

ScriptResource.axd

1415 ms

ScriptResource.axd

ScriptResource.axd

895 ms

ScriptResource.axd

ScriptResource.axd

751 ms

ScriptResource.axd

ScriptResource.axd

821 ms

ScriptResource.axd

ScriptResource.axd

720 ms

ScriptResource.axd

ScriptResource.axd

723 ms

ScriptResource.axd

ScriptResource.axd

860 ms

ScriptResource.axd

ScriptResource.axd

1138 ms

jquery.min.js

jquery.min.js

5 ms

jquery.cycle.all.js

jquery.cycle.all.js

23 ms

jquery.cycle.all.js

jquery.cycle.all.js

23 ms

geral.css

geral.css

307 ms

menu.css

menu.css

144 ms

diaMulher.png

diaMulher.png

1729 ms

bristolVagas.jpg

bristolVagas.jpg

1587 ms

banner%20vida%20em%20movimento%202.jpg

banner%20vida%20em%20movimento%202.jpg

465 ms

Diabetes_final.jpg

Diabetes_final.jpg

464 ms

1img1.sflb.ashx

1img1.sflb.ashx

606 ms

2minimizacaorisco.sflb.ashx

2minimizacaorisco.sflb.ashx

463 ms

3img2.sflb.ashx

3img2.sflb.ashx

671 ms

4img3.sflb.ashx

4img3.sflb.ashx

784 ms

5img4.sflb.ashx

5img4.sflb.ashx

894 ms

6img5.sflb.ashx

6img5.sflb.ashx

1047 ms

7img6.sflb.ashx

7img6.sflb.ashx

920 ms

img_boxprincipal_fachada.jpg

img_boxprincipal_fachada.jpg

748 ms

ultimasNoticias.jpg

ultimasNoticias.jpg

818 ms

destaque_home_bms.jpg

destaque_home_bms.jpg

916 ms

hepatite.jpg

hepatite.jpg

950 ms

Img_destaque_pesquisa.jpg

Img_destaque_pesquisa.jpg

976 ms

img_bgazul.jpg

img_bgazul.jpg

1031 ms

banner_cuideBemPele.sflb.ashx

banner_cuideBemPele.sflb.ashx

1065 ms

logo_bristol.jpg

logo_bristol.jpg

667 ms

img_mundo.gif

img_mundo.gif

694 ms

SearchButton.jpg

SearchButton.jpg

726 ms

usuario_logado.gif

usuario_logado.gif

780 ms

btn_Pause.sflb.ashx

btn_Pause.sflb.ashx

784 ms

analytics.js

analytics.js

14 ms

collect

collect

12 ms

collect

collect

5 ms

header-btn_landing_ani_nav.sflb.ashx

header-btn_landing_ani_nav.sflb.ashx

154 ms

Accessibility Review

bristol.com.br accessibility score

73

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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

Best Practices

bristol.com.br best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bristol.com.br SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

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

Language and Encoding

  • Language Detected

    PT

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bristol.com.br can be misinterpreted by Google and other search engines. Our service has detected that Portuguese 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 Bristol.com.br 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

bristol.com.br

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