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About Website

Click here to check amazing QuantiFERON content for United States. Otherwise, check out these important facts you probably never knew about quantiferon.com

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value4,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

quantiferon.com

182 ms

www.qiagen.com

417 ms

266 ms

us

1178 ms

optimized-min.css

36 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Quantiferon.com, 88% (38 requests) were made to Qiagen.com and 2% (1 request) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Qiagen.com.

Content Size

1.6 MB

After Optimization

853.9 kB

In fact, the total size of Quantiferon.com main page is 1.6 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. 60% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 199.0 kB

Original 223.6 kB
After minification 222.9 kB
After compression 24.6 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 199.0 kB or 89% of the original size.

JavaScript Optimization

-41%

Potential reduce by 526.1 kB

Original 1.3 MB
After minification 1.3 MB
After compression 768.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 526.1 kB or 41% of the original size.

CSS Optimization

-24%

Potential reduce by 18.8 kB

Original 79.6 kB
After minification 79.6 kB
After compression 60.8 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. Quantiferon.com needs all CSS files to be minified and compressed as it can save up to 18.8 kB or 24% of the original size.

Requests Now

After Optimization

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of QuantiFERON. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Quantiferon.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Quantiferon.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

quantiferon.com

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

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Performance

Accessibility

Best Practices

SEO

What is QuantiFERON? | QuantiFERON testing | QIAGEN

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)