Tools & Wizards About Us

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

rcvscientifics.com

RCV SCIENTIFICS :: Abbott : Bayer : Medica : Unico : Stago : Tecan : DeterLab : Sysmex : Roche and More...

Page Load Speed

674 ms in total

First Response

41 ms

Resources Loaded

549 ms

Page Rendered

84 ms

About Website

Click here to check amazing RCV SCIENTIFICS content. Otherwise, check out these important facts you probably never knew about rcvscientifics.com

RCV SCIENTIFICS, INC was established in 2003. During this time, we have made firm and serious commercial alliances in the United States of America with important and recognized manufacturing and equip...

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Key Findings

We analyzed Rcvscientifics.com page load time and found that the first response time was 41 ms and then it took 633 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

rcvscientifics.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

rcvscientifics.com

41 ms

rcvscientifics.com

53 ms

bootstrap.css

29 ms

bootstrap-responsive.css

28 ms

css

22 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 64% of them (18 requests) were addressed to the original Rcvscientifics.com, 7% (2 requests) were made to Google-analytics.com and 7% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (219 ms) relates to the external source T2.mylivechat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.5 kB (42%)

Content Size

522.6 kB

After Optimization

305.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rcvscientifics.com main page is 522.6 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. 35% of websites need less resources to load. Images take 219.3 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 4.2 kB

  • Original 6.7 kB
  • After minification 6.0 kB
  • After compression 2.4 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. 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 4.2 kB or 64% of the original size.

Image Optimization

-1%

Potential reduce by 2.3 kB

  • Original 219.3 kB
  • After minification 216.9 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. RCV SCIENTIFICS images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 54.7 kB

  • Original 113.4 kB
  • After minification 85.9 kB
  • After compression 58.7 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 54.7 kB or 48% of the original size.

CSS Optimization

-85%

Potential reduce by 156.2 kB

  • Original 183.3 kB
  • After minification 149.5 kB
  • After compression 27.1 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. Rcvscientifics.com needs all CSS files to be minified and compressed as it can save up to 156.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (39%)

Requests Now

23

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RCV SCIENTIFICS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rcvscientifics.com accessibility score

49

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rcvscientifics.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rcvscientifics.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rcvscientifics.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 Rcvscientifics.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 description is not detected on the main page of RCV SCIENTIFICS. 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: