Tools & Wizards About Us
therasphere.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

therasphere.com

TheraSphere™ Y-90 Glass Microspheres - Boston Scientific

Page Load Speed

982 ms in total

First Response

161 ms

Resources Loaded

533 ms

Page Rendered

288 ms

therasphere.com screenshot

About Website

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

TheraSphere is an FDA-approved radioembolization therapy of glass microspheres containing Yttrium-90 for HCC treatment. Learn more about TheraSphere here.

Visit therasphere.com

Key Findings

We analyzed Therasphere.com page load time and found that the first response time was 161 ms and then it took 821 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

therasphere.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.092

91/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

therasphere.com

161 ms

therasphere.html

104 ms

therasphere.html

9 ms

gtm.js

212 ms

jquery.lc-f9e8e8c279baf6a1a278042afe4f395a-lc.min.js

6 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Therasphere.com, 84% (26 requests) were made to Bostonscientific.com and 6% (2 requests) were made to Static.cloud.coveo.com. The less responsive or slowest element that took the longest time to load (212 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.6 kB (24%)

Content Size

430.1 kB

After Optimization

328.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Therasphere.com main page is 430.1 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. 65% of websites need less resources to load. Javascripts take 215.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 98.3 kB

  • Original 111.6 kB
  • After minification 88.8 kB
  • After compression 13.3 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 22.8 kB, which is 20% 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 98.3 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 47.7 kB
  • After minification 47.7 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. Thera Sphere images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 240 B

  • Original 215.7 kB
  • After minification 215.7 kB
  • After compression 215.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 3.1 kB

  • Original 55.1 kB
  • After minification 55.1 kB
  • After compression 52.0 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. Therasphere.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (60%)

Requests Now

25

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thera Sphere. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

therasphere.com

therasphere.com

161 ms

therasphere.html

therasphere.html

104 ms

therasphere.html

therasphere.html

9 ms

gtm.js

gtm.js

212 ms

jquery.lc-f9e8e8c279baf6a1a278042afe4f395a-lc.min.js

jquery.lc-f9e8e8c279baf6a1a278042afe4f395a-lc.min.js

6 ms

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

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

22 ms

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

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

23 ms

clientlib-base.lc-ded57755858e1992cd26836bb971390d-lc.css

clientlib-base.lc-ded57755858e1992cd26836bb971390d-lc.css

20 ms

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

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

29 ms

CoveoFullSearch.css

CoveoFullSearch.css

59 ms

CoveoJsSearch.Lazy.min.js

CoveoJsSearch.Lazy.min.js

72 ms

container.lc-027d01df25f17066242db969c9bf2ade-lc.js

container.lc-027d01df25f17066242db969c9bf2ade-lc.js

49 ms

clientlib-base.lc-e7db2d08a31233c257f2097626cb706a-lc.js

clientlib-base.lc-e7db2d08a31233c257f2097626cb706a-lc.js

49 ms

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

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

69 ms

token.json

token.json

50 ms

logo-bsc.svg

logo-bsc.svg

29 ms

css

css

27 ms

bsc-advancing-arrows.svg

bsc-advancing-arrows.svg

114 ms

icon-chevron-down.svg

icon-chevron-down.svg

6 ms

icon-search.svg

icon-search.svg

7 ms

icon-slash.svg

icon-slash.svg

12 ms

therasphere-overview-hero.jpeg

therasphere-overview-hero.jpeg

14 ms

bsc-advancing-arrows.svg

bsc-advancing-arrows.svg

12 ms

icon-chevron-right.svg

icon-chevron-right.svg

13 ms

icon-person-with-medical-sign-accent-light.svg

icon-person-with-medical-sign-accent-light.svg

18 ms

icon-browser-with-cursor-accent-light.svg

icon-browser-with-cursor-accent-light.svg

14 ms

icon-delivery-van-accent-dark.svg

icon-delivery-van-accent-dark.svg

16 ms

pattern-arrow.svg

pattern-arrow.svg

15 ms

SST-Roman.woff

SST-Roman.woff

17 ms

fa-regular-400.woff

fa-regular-400.woff

28 ms

fa-brands-400.woff

fa-brands-400.woff

26 ms

Accessibility Review

therasphere.com accessibility score

93

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

Image elements do not have [alt] attributes

Best Practices

therasphere.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

therasphere.com SEO score

91

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

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

    EN

  • Encoding

    UTF-8

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

therasphere.com

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