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virtual-rs232.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

virtual-rs232.com

Virtual Serial Port Driver - create and emulate virtual COM port

Page Load Speed

3.4 sec in total

First Response

247 ms

Resources Loaded

2.5 sec

Page Rendered

684 ms

virtual-rs232.com screenshot

About Website

Click here to check amazing Virtual Rs232 content. Otherwise, check out these important facts you probably never knew about virtual-rs232.com

Virtual Serial Port Driver creates pairs of virtual COM ports. Virtual COM port pairs look and work like real hardware ones, fully emulating serial port connections

Visit virtual-rs232.com

Key Findings

We analyzed Virtual-rs232.com page load time and found that the first response time was 247 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

virtual-rs232.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value1,270 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

virtual-rs232.com

247 ms

811 ms

cookie.png

175 ms

cn.png

280 ms

de.png

308 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Virtual-rs232.com, 98% (61 requests) were made to Eltima.com. The less responsive or slowest element that took the longest time to load (956 ms) relates to the external source Eltima.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 601.2 kB (68%)

Content Size

879.7 kB

After Optimization

278.6 kB

  • HTML
  • Images

In fact, the total size of Virtual-rs232.com main page is 879.7 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. 30% of websites need less resources to load. HTML takes 693.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 598.6 kB

  • Original 693.4 kB
  • After minification 581.8 kB
  • After compression 94.8 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 111.6 kB, which is 16% 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 598.6 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 2.6 kB

  • Original 186.3 kB
  • After minification 183.7 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. Virtual Rs232 images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 21 (39%)

Requests Now

54

After Optimization

33

  • Images
  • JavaScript

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virtual Rs232. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

virtual-rs232.com

virtual-rs232.com

247 ms

811 ms

cookie.png

cookie.png

175 ms

cn.png

cn.png

280 ms

de.png

de.png

308 ms

es.png

es.png

310 ms

fr.png

fr.png

309 ms

it.png

it.png

310 ms

pt.png

pt.png

310 ms

ru.png

ru.png

383 ms

menuIconUNG.png

menuIconUNG.png

409 ms

menuIconVSPD.png

menuIconVSPD.png

412 ms

menuIconFlexihub.png

menuIconFlexihub.png

412 ms

menuIconSEC.png

menuIconSEC.png

414 ms

menuIconDonglify.png

menuIconDonglify.png

413 ms

menuIconSPM.png

menuIconSPM.png

491 ms

menuIconHelpwire.png

menuIconHelpwire.png

518 ms

menuIconElmedia.png

menuIconElmedia.png

520 ms

menuIconCommanderOne.png

menuIconCommanderOne.png

520 ms

menuIconFolx.png

menuIconFolx.png

519 ms

menuIconCloudMounter.png

menuIconCloudMounter.png

522 ms

menuIconMacDroid.png

menuIconMacDroid.png

595 ms

menuIconJustStream.png

menuIconJustStream.png

620 ms

docast_36x36.png

docast_36x36.png

622 ms

menuIconUNG-sdk.png

menuIconUNG-sdk.png

621 ms

menuIconSEC-sdk.png

menuIconSEC-sdk.png

622 ms

menuIconPort-virtualization.png

menuIconPort-virtualization.png

625 ms

menuIconCustom-development.png

menuIconCustom-development.png

698 ms

menuIconAboutus.png

menuIconAboutus.png

721 ms

menuIconPartnership.png

menuIconPartnership.png

725 ms

menuIconContacts.png

menuIconContacts.png

724 ms

flags.png

flags.png

725 ms

no-repeat.png

no-repeat.png

831 ms

vspd_corporate.png

vspd_corporate.png

801 ms

vspd-pro.png

vspd-pro.png

822 ms

ic1@png

ic1@png

826 ms

ic2@png

ic2@png

827 ms

952 ms

Montserrat-ExtraBold.ttf

Montserrat-ExtraBold.ttf

839 ms

Montserrat-SemiBold.ttf

Montserrat-SemiBold.ttf

861 ms

ElmeticaNew.ttf

ElmeticaNew.ttf

626 ms

Montserrat-Medium.ttf

Montserrat-Medium.ttf

933 ms

Montserrat-variations.ttf

Montserrat-variations.ttf

956 ms

Montserrat-Black.ttf

Montserrat-Black.ttf

954 ms

ic3@png

ic3@png

808 ms

ic4@png

ic4@png

778 ms

ic5@png

ic5@png

812 ms

ic6@png

ic6@png

823 ms

vspd-standart.png

vspd-standart.png

852 ms

product.png

product.png

946 ms

blank.png

blank.png

947 ms

mIconSprite.png

mIconSprite.png

869 ms

pair.png

pair.png

843 ms

avatar51.jpg

avatar51.jpg

843 ms

avatar56.jpg

avatar56.jpg

843 ms

avatar53.jpg

avatar53.jpg

907 ms

avatar61.jpg

avatar61.jpg

917 ms

avatar62.jpg

avatar62.jpg

855 ms

winLargeVspdIcon.png

winLargeVspdIcon.png

831 ms

winMobVspdIcon.png

winMobVspdIcon.png

831 ms

dealsIcon.png

dealsIcon.png

833 ms

product-info_sprite.png

product-info_sprite.png

909 ms

Accessibility Review

virtual-rs232.com accessibility score

89

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

virtual-rs232.com best practices score

75

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

virtual-rs232.com SEO score

85

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

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 Virtual-rs232.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 Virtual-rs232.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

virtual-rs232.com

Open Graph data is detected on the main page of Virtual Rs232. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: