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vcstest.com screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

vcstest.com

VCSTest.com - Visual Contrast Sensitivity Testing - VCS Testing - Free Limited Results

Page Load Speed

557 ms in total

First Response

57 ms

Resources Loaded

249 ms

Page Rendered

251 ms

vcstest.com screenshot

About Website

Click here to check amazing VCSTest content for United States. Otherwise, check out these important facts you probably never knew about vcstest.com

VCSTest.com offers online visual contrast sensitivity (VCS) testing, with printable results, history tracking, and other resources. VCS testing can be used as a screen for exposure to neurotoxins.

Visit vcstest.com

Key Findings

We analyzed Vcstest.com page load time and found that the first response time was 57 ms and then it took 500 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

vcstest.com performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

82/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.225

55/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

vcstest.com

57 ms

vcstest.com

45 ms

d8b2624a4e

6 ms

a729460347

16 ms

index.php

83 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 90% of them (9 requests) were addressed to the original Vcstest.com, 10% (1 request) were made to Analytics.vcstest.com. The less responsive or slowest element that took the longest time to load (83 ms) relates to the external source Analytics.vcstest.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.7 kB (54%)

Content Size

234.4 kB

After Optimization

107.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vcstest.com main page is 234.4 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. 25% of websites need less resources to load. Javascripts take 166.6 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 12.6 kB

  • Original 18.7 kB
  • After minification 16.9 kB
  • After compression 6.1 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 12.6 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 49.1 kB
  • After minification 49.1 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. VCSTest images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 114.1 kB

  • Original 166.6 kB
  • After minification 166.6 kB
  • After compression 52.5 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 114.1 kB or 68% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VCSTest. According to our analytics all requests are already optimized.

Network Requests Diagram

vcstest.com

vcstest.com

57 ms

vcstest.com

vcstest.com

45 ms

d8b2624a4e

d8b2624a4e

6 ms

a729460347

a729460347

16 ms

index.php

index.php

83 ms

logo-main-w-b-trans-hr.cmp.1452455783.png

logo-main-w-b-trans-hr.cmp.1452455783.png

4 ms

logo-main-n-b-trans.cmp.1452455783.png

logo-main-n-b-trans.cmp.1452455783.png

4 ms

sample.1415300338.jpg

sample.1415300338.jpg

19 ms

SakkalMajalla.woff

SakkalMajalla.woff

36 ms

icomoon.1.ttf

icomoon.1.ttf

19 ms

Accessibility Review

vcstest.com accessibility score

81

Accessibility Issues

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

vcstest.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vcstest.com SEO score

100

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

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 Vcstest.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 Vcstest.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

vcstest.com

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