Tools & Wizards About Us
rdvsystems.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

rdvsystems.com

RDV Systems | Infrastructure 3D Safety & Visualization Software

Page Load Speed

5.1 sec in total

First Response

314 ms

Resources Loaded

3 sec

Page Rendered

1.8 sec

rdvsystems.com screenshot

About Website

Welcome to rdvsystems.com homepage info - get ready to check RDV Systems best content right away, or after learning these important things about rdvsystems.com

United States HEADQUARTERS Manchester, New Hampshire

Visit rdvsystems.com

Key Findings

We analyzed Rdvsystems.com page load time and found that the first response time was 314 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

rdvsystems.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value32.3 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value1,160 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value25.0 s

0/100

10%

Network Requests Diagram

rdvsystems.com

314 ms

www.rdvsystems.com

1021 ms

js

68 ms

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33 ms

autoptimize_single_8f3bfb8d678123a4687be05e7b498180.php

39 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 77% of them (120 requests) were addressed to the original Rdvsystems.com, 6% (9 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Pixel-geo.prfct.co. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Rdvsystems.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (26%)

Content Size

5.0 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rdvsystems.com main page is 5.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 269.3 kB

  • Original 309.3 kB
  • After minification 309.2 kB
  • After compression 40.0 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 269.3 kB or 87% of the original size.

Image Optimization

-7%

Potential reduce by 230.5 kB

  • Original 3.3 MB
  • After minification 3.1 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. RDV Systems images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 717.9 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 290.2 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 717.9 kB or 71% of the original size.

CSS Optimization

-20%

Potential reduce by 71.2 kB

  • Original 353.0 kB
  • After minification 352.2 kB
  • After compression 281.7 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. Rdvsystems.com needs all CSS files to be minified and compressed as it can save up to 71.2 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (55%)

Requests Now

128

After Optimization

58

  • Images
  • JavaScript
  • CSS

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RDV Systems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rdvsystems.com

rdvsystems.com

314 ms

www.rdvsystems.com

www.rdvsystems.com

1021 ms

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68 ms

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33 ms

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53 ms

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Accessibility Review

rdvsystems.com accessibility score

87

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rdvsystems.com best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rdvsystems.com SEO score

82

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 Rdvsystems.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 Rdvsystems.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

rdvsystems.com

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