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vtc.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

vtc.com

Community & Intranet Platform | VTC

Page Load Speed

1.4 sec in total

First Response

43 ms

Resources Loaded

857 ms

Page Rendered

480 ms

vtc.com screenshot

About Website

Welcome to vtc.com homepage info - get ready to check VTC best content for United States right away, or after learning these important things about vtc.com

VTC is a community and intranet platform. Spaces are free to create — no per-member fees. Add credits from $10 when you need apps and usage.

Visit vtc.com

Key Findings

We analyzed Vtc.com page load time and found that the first response time was 43 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

vtc.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

vtc.com

43 ms

www.vtc.com

84 ms

bootstrap.css

13 ms

stylish-portfolio.css

26 ms

style.css

25 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 53% of them (31 requests) were addressed to the original Vtc.com, 22% (13 requests) were made to Embed.tawk.to and 10% (6 requests) were made to Intranet.vtc.com. The less responsive or slowest element that took the longest time to load (412 ms) relates to the external source Embed.tawk.to.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.5 kB (5%)

Content Size

2.3 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vtc.com main page is 2.3 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. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 32.5 kB

  • Original 39.5 kB
  • After minification 30.4 kB
  • After compression 7.0 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. This page needs HTML code to be minified as it can gain 9.1 kB, which is 23% 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 32.5 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 28.9 kB

  • Original 1.9 MB
  • After minification 1.9 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. VTC images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 55.7 kB

  • Original 272.6 kB
  • After minification 272.6 kB
  • After compression 216.9 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 55.7 kB or 20% of the original size.

CSS Optimization

-1%

Potential reduce by 445 B

  • Original 41.9 kB
  • After minification 41.9 kB
  • After compression 41.5 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. Vtc.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (49%)

Requests Now

51

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VTC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vtc.com

vtc.com

43 ms

www.vtc.com

www.vtc.com

84 ms

bootstrap.css

bootstrap.css

13 ms

stylish-portfolio.css

stylish-portfolio.css

26 ms

style.css

style.css

25 ms

css

css

50 ms

awesomplete.css

awesomplete.css

19 ms

slidebars.css

slidebars.css

23 ms

tagwild.css

tagwild.css

30 ms

jquery-1.12.2.min.js

jquery-1.12.2.min.js

32 ms

bootstrap.min.js

bootstrap.min.js

32 ms

slidebars.js

slidebars.js

32 ms

bootstrap-modal-popover.js

bootstrap-modal-popover.js

32 ms

awesomplete.js

awesomplete.js

31 ms

analytics.js

analytics.js

155 ms

vtc_logo_in.jpg

vtc_logo_in.jpg

137 ms

138579.jpg

138579.jpg

202 ms

default

default

412 ms

138819.jpg

138819.jpg

146 ms

138327.jpg

138327.jpg

129 ms

137596.jpg

137596.jpg

131 ms

136318.jpg

136318.jpg

146 ms

137788.jpg

137788.jpg

147 ms

header-bg.jpg

header-bg.jpg

107 ms

search68.png

search68.png

9 ms

video-play.png

video-play.png

14 ms

elearning_banner_large.jpg

elearning_banner_large.jpg

70 ms

individual_thump_down.jpg

individual_thump_down.jpg

9 ms

individual_thump.jpg

individual_thump.jpg

21 ms

business_corporation_thump_over.jpg

business_corporation_thump_over.jpg

21 ms

business_corporation_thump.jpg

business_corporation_thump.jpg

43 ms

college_thump_over.jpg

college_thump_over.jpg

44 ms

college_thump.jpg

college_thump.jpg

45 ms

computer_icon.jpg

computer_icon.jpg

66 ms

downloads_home.png

downloads_home.png

65 ms

multiuser_icon.jpg

multiuser_icon.jpg

69 ms

comma_mg.jpg

comma_mg.jpg

69 ms

logo_icons.jpg

logo_icons.jpg

90 ms

logo_icons_mobile.jpg

logo_icons_mobile.jpg

91 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

90 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

111 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

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128 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

128 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

141 ms

icomoon.ttf

icomoon.ttf

75 ms

collect

collect

47 ms

js

js

92 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

71 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

54 ms

twk-event-polyfill.js

twk-event-polyfill.js

194 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

82 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

194 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

64 ms

twk-main.js

twk-main.js

113 ms

twk-vendor.js

twk-vendor.js

76 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

101 ms

twk-chunk-common.js

twk-chunk-common.js

90 ms

twk-runtime.js

twk-runtime.js

123 ms

twk-app.js

twk-app.js

113 ms

Accessibility Review

vtc.com accessibility score

88

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.

Best Practices

vtc.com 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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vtc.com SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtc.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 Vtc.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

vtc.com

Open Graph description is not detected on the main page of VTC. 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: