Tools & Wizards About Us
bostonscientific.eu screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

bostonscientific.eu

Advancing Science for Life - EU - Boston Scientific - Boston Scientific

Page Load Speed

1.5 sec in total

First Response

142 ms

Resources Loaded

961 ms

Page Rendered

384 ms

bostonscientific.eu screenshot

About Website

Click here to check amazing Boston Scientific content. Otherwise, check out these important facts you probably never knew about bostonscientific.eu

Boston Scientific is dedicated to transforming lives through innovative medical solutions that improve the health of patients around the world.

Visit bostonscientific.eu

Key Findings

We analyzed Bostonscientific.eu page load time and found that the first response time was 142 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 30% of websites can load faster.

Performance Metrics

bostonscientific.eu performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,450 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.039

100/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

bostonscientific.eu

142 ms

home.html

58 ms

otSDKStub.js

45 ms

jquery.lc-f9e8e8c279baf6a1a278042afe4f395a-lc.min.js

8 ms

utils.lc-899004cc02c33efc1f6694b1aee587fd-lc.min.js

8 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Bostonscientific.eu, 70% (42 requests) were made to Bostonscientific.com and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (267 ms) relates to the external source Bostonscientific.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 789.1 kB (17%)

Content Size

4.5 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bostonscientific.eu main page is 4.5 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. Only a small number of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 86.9 kB

  • Original 99.3 kB
  • After minification 73.6 kB
  • After compression 12.4 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. This page needs HTML code to be minified as it can gain 25.6 kB, which is 26% 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 86.9 kB or 88% of the original size.

Image Optimization

-18%

Potential reduce by 696.4 kB

  • Original 3.8 MB
  • After minification 3.1 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. Obviously, Boston Scientific needs image optimization as it can save up to 696.4 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 2.6 kB

  • Original 502.8 kB
  • After minification 502.8 kB
  • After compression 500.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 3.2 kB

  • Original 115.1 kB
  • After minification 115.1 kB
  • After compression 111.8 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. Bostonscientific.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (34%)

Requests Now

53

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boston Scientific. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bostonscientific.eu

bostonscientific.eu

142 ms

home.html

home.html

58 ms

otSDKStub.js

otSDKStub.js

45 ms

jquery.lc-f9e8e8c279baf6a1a278042afe4f395a-lc.min.js

jquery.lc-f9e8e8c279baf6a1a278042afe4f395a-lc.min.js

8 ms

utils.lc-899004cc02c33efc1f6694b1aee587fd-lc.min.js

utils.lc-899004cc02c33efc1f6694b1aee587fd-lc.min.js

8 ms

granite.lc-011c0fc0d0cf131bdff879743a353002-lc.min.js

granite.lc-011c0fc0d0cf131bdff879743a353002-lc.min.js

19 ms

clientlib-base.lc-ded57755858e1992cd26836bb971390d-lc.css

clientlib-base.lc-ded57755858e1992cd26836bb971390d-lc.css

19 ms

clientlib-corporate.lc-386bc76f227dd74afac12d545ba3cf14-lc.css

clientlib-corporate.lc-386bc76f227dd74afac12d545ba3cf14-lc.css

22 ms

CoveoFullSearch.css

CoveoFullSearch.css

32 ms

CoveoJsSearch.Lazy.min.js

CoveoJsSearch.Lazy.min.js

37 ms

container.lc-027d01df25f17066242db969c9bf2ade-lc.js

container.lc-027d01df25f17066242db969c9bf2ade-lc.js

17 ms

clientlib-base.lc-e7db2d08a31233c257f2097626cb706a-lc.js

clientlib-base.lc-e7db2d08a31233c257f2097626cb706a-lc.js

17 ms

clientlib-corporate.lc-4d809e2dc56ee1aae2bc2fc6311e3935-lc.js

clientlib-corporate.lc-4d809e2dc56ee1aae2bc2fc6311e3935-lc.js

35 ms

222006e1-8ad0-41a8-84c9-91316cef19cd.json

222006e1-8ad0-41a8-84c9-91316cef19cd.json

210 ms

token.json

token.json

49 ms

css

css

33 ms

bsc-advancing-arrows.svg

bsc-advancing-arrows.svg

10 ms

bsc-logo-blue.svg

bsc-logo-blue.svg

8 ms

IAS%20Paris%20-%20External%20Facade.png

IAS%20Paris%20-%20External%20Facade.png

158 ms

eu_patient_182x182.png

eu_patient_182x182.png

155 ms

eu_products_182x182.png

eu_products_182x182.png

6 ms

eu_careers_514x514.jpg

eu_careers_514x514.jpg

158 ms

argentina.png

argentina.png

8 ms

brazil.gif

brazil.gif

11 ms

Chile.png

Chile.png

11 ms

china.gif

china.gif

13 ms

Colombia.png

Colombia.png

13 ms

germany.gif

germany.gif

13 ms

Espanol.jpg

Espanol.jpg

16 ms

eu.jpg

eu.jpg

157 ms

india.gif

india.gif

156 ms

japan.gif

japan.gif

152 ms

korea.gif

korea.gif

157 ms

Mexico.jpg

Mexico.jpg

157 ms

Peru%20Flag.png

Peru%20Flag.png

267 ms

usa.gif

usa.gif

230 ms

microsoftteams-image--72-.png

microsoftteams-image--72-.png

165 ms

image-1.png

image-1.png

167 ms

image-2.png

image-2.png

190 ms

image-3.png

image-3.png

229 ms

dubai-distribution-center-700x525.png

dubai-distribution-center-700x525.png

172 ms

corp-featured-stories-careers.jpeg

corp-featured-stories-careers.jpeg

172 ms

corp-featured-stories-investors.jpeg

corp-featured-stories-investors.jpeg

232 ms

corp-featured-stories-advance-science-for-life.jpeg

corp-featured-stories-advance-science-for-life.jpeg

226 ms

0XugOfXm9iM

0XugOfXm9iM

172 ms

bsc-advancing-arrows.svg

bsc-advancing-arrows.svg

45 ms

SST-Roman.woff

SST-Roman.woff

48 ms

fa-regular-400.woff

fa-regular-400.woff

55 ms

fa-brands-400.woff

fa-brands-400.woff

78 ms

location

location

75 ms

otBannerSdk.js

otBannerSdk.js

38 ms

www-player.css

www-player.css

19 ms

www-embed-player.js

www-embed-player.js

36 ms

base.js

base.js

69 ms

ad_status.js

ad_status.js

129 ms

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

94 ms

embed.js

embed.js

29 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

36 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

39 ms

id

id

32 ms

Accessibility Review

bostonscientific.eu accessibility score

98

Accessibility Issues

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

bostonscientific.eu 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

Missing source maps for large first-party JavaScript

SEO Factors

bostonscientific.eu SEO score

84

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

High

Tap targets are not sized appropriately

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 Bostonscientific.eu 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 Bostonscientific.eu 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

bostonscientific.eu

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