Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

ultravnc.sourceforge.net

Home - UltraVNC VNC OFFICIAL SITE, Remote Desktop Free Opensource

Page Load Speed

3.3 sec in total

First Response

285 ms

Resources Loaded

2.7 sec

Page Rendered

318 ms

About Website

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Key Findings

We analyzed Ultravnc.sourceforge.net page load time and found that the first response time was 285 ms and then it took 3 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

ultravnc.sourceforge.net performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value5,830 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

index.html

285 ms

index.php

515 ms

mootools.js

175 ms

caption.js

104 ms

mos_jdownloads_file.css

105 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ultravnc.sourceforge.net, 8% (7 requests) were made to Tpc.googlesyndication.com and 7% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (515 ms) relates to the external source Uvnc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 250.5 kB (49%)

Content Size

513.4 kB

After Optimization

262.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ultravnc.sourceforge.net main page is 513.4 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. 60% of websites need less resources to load. Javascripts take 268.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 35.7 kB

  • Original 48.2 kB
  • After minification 46.9 kB
  • After compression 12.5 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 35.7 kB or 74% of the original size.

Image Optimization

-8%

Potential reduce by 12.6 kB

  • Original 154.3 kB
  • After minification 141.7 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. UltraVNC Sourceforge images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 166.2 kB

  • Original 268.9 kB
  • After minification 262.1 kB
  • After compression 102.7 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 166.2 kB or 62% of the original size.

CSS Optimization

-86%

Potential reduce by 36.0 kB

  • Original 41.9 kB
  • After minification 29.0 kB
  • After compression 5.9 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. Ultravnc.sourceforge.net needs all CSS files to be minified and compressed as it can save up to 36.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (56%)

Requests Now

77

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UltraVNC Sourceforge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ultravnc.sourceforge.net accessibility score

87

Accessibility Issues

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-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

ultravnc.sourceforge.net best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ultravnc.sourceforge.net SEO score

88

Search Engine Optimization Advices

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 Ultravnc.sourceforge.net 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 Ultravnc.sourceforge.net 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 UltraVNC Sourceforge. 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: