Tools & Wizards About Us
idelvion.com screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

idelvion.com

Factor IX Therapy for Hemophilia B | IDELVION coagulation factor IX (recombinant), albumin fusion protein

Page Load Speed

1.1 sec in total

First Response

86 ms

Resources Loaded

693 ms

Page Rendered

279 ms

idelvion.com screenshot

About Website

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

IDELVION is the only extended half-life Factor IX therapy that delivers zero bleeds, 14-day dosing and 20% FIX trough levels for hemophilia B.

Visit idelvion.com

Key Findings

We analyzed Idelvion.com page load time and found that the first response time was 86 ms and then it took 972 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

idelvion.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

idelvion.com

86 ms

www.idelvion.com

161 ms

otSDKStub.js

40 ms

CSLSites-DotNet-CSS

44 ms

fa-solid.min.css

49 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 88% of them (49 requests) were addressed to the original Idelvion.com, 5% (3 requests) were made to Cdn.cookielaw.org and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (199 ms) belongs to the original domain Idelvion.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 123.4 kB (7%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Idelvion.com main page is 1.8 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. 65% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 29.2 kB

  • Original 37.3 kB
  • After minification 28.7 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 8.5 kB, which is 23% 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 29.2 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 88.8 kB

  • Original 1.6 MB
  • After minification 1.5 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. IDELVION images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.8 kB

  • Original 161.1 kB
  • After minification 160.2 kB
  • After compression 156.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-30%

Potential reduce by 582 B

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 1.3 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. Idelvion.com needs all CSS files to be minified and compressed as it can save up to 582 B or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (45%)

Requests Now

33

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IDELVION. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

idelvion.com

idelvion.com

86 ms

www.idelvion.com

www.idelvion.com

161 ms

otSDKStub.js

otSDKStub.js

40 ms

CSLSites-DotNet-CSS

CSLSites-DotNet-CSS

44 ms

fa-solid.min.css

fa-solid.min.css

49 ms

fa-regular.min.css

fa-regular.min.css

50 ms

cssPatient

cssPatient

73 ms

jquery.min.js

jquery.min.js

22 ms

analytics-core.js

analytics-core.js

54 ms

CSLSites-DotNet-JqueryVal

CSLSites-DotNet-JqueryVal

87 ms

CSLSites-DotNet-JS

CSLSites-DotNet-JS

64 ms

index.min.js

index.min.js

142 ms

tracking.js

tracking.js

65 ms

video-carousel.js

video-carousel.js

66 ms

patientprompt.js

patientprompt.js

70 ms

prompt.css

prompt.css

95 ms

9cb7613d-de0b-42a3-9003-30f57f97017a.json

9cb7613d-de0b-42a3-9003-30f57f97017a.json

56 ms

gtm.js

gtm.js

79 ms

IDELVION-coagulation-factor-IX-recombinant-albumin-fusion-protein.svg

IDELVION-coagulation-factor-IX-recombinant-albumin-fusion-protein.svg

23 ms

facebook.png

facebook.png

21 ms

navPatientBackground.png

navPatientBackground.png

98 ms

home-hero.png

home-hero.png

199 ms

homeHeroBug.png

homeHeroBug.png

25 ms

homeHeroRule.png

homeHeroRule.png

21 ms

7and14day_flexibility.png

7and14day_flexibility.png

196 ms

PLUS_icon_white.png

PLUS_icon_white.png

98 ms

20per_Level.png

20per_Level.png

100 ms

zero_bleed.png

zero_bleed.png

100 ms

materials-thumbnail.png

materials-thumbnail.png

197 ms

idelvion-connect-logo.png

idelvion-connect-logo.png

196 ms

iconRealLifeStoriesMilinda.png

iconRealLifeStoriesMilinda.png

194 ms

CSL-behring-logo-V2.svg

CSL-behring-logo-V2.svg

193 ms

vita-with-tagline.png

vita-with-tagline.png

196 ms

location

location

97 ms

otBannerSdk.js

otBannerSdk.js

99 ms

raleway-v13-latin-regular.woff

raleway-v13-latin-regular.woff

20 ms

raleway-v13-latin-500.woff

raleway-v13-latin-500.woff

31 ms

raleway-v13-latin-300.woff

raleway-v13-latin-300.woff

32 ms

raleway-v13-latin-200.woff

raleway-v13-latin-200.woff

21 ms

raleway-v13-latin-100.woff

raleway-v13-latin-100.woff

21 ms

raleway-v13-latin-600.woff

raleway-v13-latin-600.woff

31 ms

raleway-v13-latin-700.woff

raleway-v13-latin-700.woff

40 ms

raleway-v13-latin-800.woff

raleway-v13-latin-800.woff

40 ms

raleway-v13-latin-900.woff

raleway-v13-latin-900.woff

40 ms

fa-solid-900.woff

fa-solid-900.woff

40 ms

fa-solid-900.woff

fa-solid-900.woff

42 ms

fa-regular-400.woff

fa-regular-400.woff

42 ms

raleway-v13-latin-700italic.woff

raleway-v13-latin-700italic.woff

62 ms

raleway-v13-latin-800italic.woff

raleway-v13-latin-800italic.woff

63 ms

raleway-v13-latin-900italic.woff

raleway-v13-latin-900italic.woff

63 ms

raleway-v13-latin-600italic.woff

raleway-v13-latin-600italic.woff

62 ms

raleway-v13-latin-500italic.woff

raleway-v13-latin-500italic.woff

63 ms

raleway-v13-latin-italic.woff

raleway-v13-latin-italic.woff

63 ms

raleway-v13-latin-300italic.woff

raleway-v13-latin-300italic.woff

77 ms

raleway-v13-latin-200italic.woff

raleway-v13-latin-200italic.woff

78 ms

raleway-v13-latin-100italic.woff

raleway-v13-latin-100italic.woff

75 ms

Accessibility Review

idelvion.com accessibility score

85

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.

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 IDs are not unique

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

idelvion.com 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

SEO Factors

idelvion.com SEO score

83

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

    EN

  • Encoding

    UTF-8

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

idelvion.com

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