Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

ventana.com

Creating a healthier future with VENTANA®

Page Load Speed

1.3 sec in total

First Response

104 ms

Resources Loaded

854 ms

Page Rendered

307 ms

ventana.com screenshot

About Website

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

VENTANA products enable precise pathology results, empowering timely, confident treatment decisions and personalized therapies, leading to improved patient outcomes.

Visit ventana.com

Key Findings

We analyzed Ventana.com page load time and found that the first response time was 104 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

ventana.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

ventana.com

104 ms

roche-tissue-diagnostics.html

192 ms

roche-global-publish.min.19edf830819d39d208af4a4b75771c6b.css

69 ms

roche-component-publish.min.3cb215f04dfa2f6631a78691e0fa2200.css

76 ms

icon_logo.svg

60 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Ventana.com, 71% (12 requests) were made to Diagnostics.roche.com and 12% (2 requests) were made to Roche.scene7.com. The less responsive or slowest element that took the longest time to load (574 ms) relates to the external source Roche.scene7.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.5 kB (22%)

Content Size

315.7 kB

After Optimization

246.2 kB

In fact, the total size of Ventana.com main page is 315.7 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. 45% of websites need less resources to load. Images take 116.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 64.2 kB

  • Original 77.3 kB
  • After minification 75.5 kB
  • After compression 13.1 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 64.2 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 7 B

  • Original 116.8 kB
  • After minification 116.8 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. VENTANA images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 11.1 kB
  • After minification 11.1 kB
  • After compression 11.1 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

-5%

Potential reduce by 5.3 kB

  • Original 110.5 kB
  • After minification 110.5 kB
  • After compression 105.3 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. Ventana.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VENTANA. According to our analytics all requests are already optimized.

Accessibility Review

ventana.com accessibility score

99

Accessibility Issues

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

ventana.com best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

ventana.com SEO score

86

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

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 Ventana.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 Ventana.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

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