Report Summary

  • 15

    Performance

    Renders faster than
    28% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

webcamlabview.sourceforge.net

Best Open Source HMI Software 2023

Page Load Speed

9.5 sec in total

First Response

241 ms

Resources Loaded

7.1 sec

Page Rendered

2.1 sec

webcamlabview.sourceforge.net screenshot

About Website

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Key Findings

We analyzed Webcamlabview.sourceforge.net page load time and found that the first response time was 241 ms and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

webcamlabview.sourceforge.net performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value24,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value38.8 s

0/100

10%

Network Requests Diagram

webcamlabview.sourceforge.net

241 ms

297 ms

136 ms

437 ms

cmp4.js

153 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Webcamlabview.sourceforge.net, 55% (38 requests) were made to A.fsdn.com and 10% (7 requests) were made to Sourceforge.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Analytics.slashdotmedia.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 199.0 kB (42%)

Content Size

476.7 kB

After Optimization

277.7 kB

In fact, the total size of Webcamlabview.sourceforge.net main page is 476.7 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. 65% of websites need less resources to load. HTML takes 230.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 197.7 kB

  • Original 230.3 kB
  • After minification 230.1 kB
  • After compression 32.6 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 197.7 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 1.2 kB

  • Original 112.5 kB
  • After minification 111.3 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. Webcamlabview Source Forge images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 59 B

  • Original 73.4 kB
  • After minification 73.4 kB
  • After compression 73.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 63 B

  • Original 60.6 kB
  • After minification 60.6 kB
  • After compression 60.5 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. Webcamlabview.sourceforge.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (47%)

Requests Now

62

After Optimization

33

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Webcamlabview Source Forge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

webcamlabview.sourceforge.net accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

webcamlabview.sourceforge.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

webcamlabview.sourceforge.net SEO score

92

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

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 Webcamlabview.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 Webcamlabview.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 Webcamlabview Source Forge. 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: