Tools & Wizards About Us
vl-pc.com screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vl-pc.com

Alpha Measurement Solutions - Test and Measurement Platform

Page Load Speed

1.7 sec in total

First Response

165 ms

Resources Loaded

619 ms

Page Rendered

883 ms

vl-pc.com screenshot

About Website

Visit vl-pc.com now to see the best up-to-date Vl Pc content and also check out these interesting facts you probably never knew about vl-pc.com

AlpHa Measurement Solutions is a liquid sensing technology platform with unmatched precision, reliability, innovation, and flexibility.

Visit vl-pc.com

Key Findings

We analyzed Vl-pc.com page load time and found that the first response time was 165 ms and then it took 1.5 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

vl-pc.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value6.9 s

53/100

10%

Network Requests Diagram

vl-pc.com

165 ms

alpha-measure.com

67 ms

quicklatex-format.css

17 ms

wp_predictive_search.css

30 ms

blocks.style.build.css

31 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vl-pc.com, 84% (82 requests) were made to Alpha-measure.com and 10% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (165 ms) belongs to the original domain Vl-pc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 245.6 kB (10%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vl-pc.com main page is 2.5 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. 70% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 112.7 kB

  • Original 138.0 kB
  • After minification 133.6 kB
  • After compression 25.3 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 112.7 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 69.0 kB

  • Original 2.1 MB
  • After minification 2.0 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. Vl Pc images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 50.7 kB

  • Original 217.0 kB
  • After minification 217.0 kB
  • After compression 166.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 50.7 kB or 23% of the original size.

CSS Optimization

-17%

Potential reduce by 13.2 kB

  • Original 78.5 kB
  • After minification 77.8 kB
  • After compression 65.3 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. Vl-pc.com needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (73%)

Requests Now

83

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vl Pc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vl-pc.com

vl-pc.com

165 ms

alpha-measure.com

alpha-measure.com

67 ms

quicklatex-format.css

quicklatex-format.css

17 ms

wp_predictive_search.css

wp_predictive_search.css

30 ms

blocks.style.build.css

blocks.style.build.css

31 ms

trp-floater-language-switcher.css

trp-floater-language-switcher.css

29 ms

trp-language-switcher.css

trp-language-switcher.css

27 ms

style.min.css

style.min.css

31 ms

theme.min.css

theme.min.css

39 ms

header-footer.min.css

header-footer.min.css

43 ms

frontend.min.css

frontend.min.css

40 ms

post-6.css

post-6.css

38 ms

style.basic.css

style.basic.css

34 ms

style-simple-blue.css

style-simple-blue.css

39 ms

widget-image.min.css

widget-image.min.css

46 ms

widget-nav-menu.min.css

widget-nav-menu.min.css

44 ms

widget-heading.min.css

widget-heading.min.css

45 ms

widget-text-editor.min.css

widget-text-editor.min.css

46 ms

widget-icon-list.min.css

widget-icon-list.min.css

46 ms

elementor-icons.min.css

elementor-icons.min.css

47 ms

swiper.min.css

swiper.min.css

51 ms

e-swiper.min.css

e-swiper.min.css

52 ms

frontend.min.css

frontend.min.css

52 ms

global.css

global.css

50 ms

widget-divider.min.css

widget-divider.min.css

50 ms

widget-posts.min.css

widget-posts.min.css

52 ms

post-28.css

post-28.css

57 ms

post-15.css

post-15.css

60 ms

post-65.css

post-65.css

60 ms

wp_predictive_search.min.css

wp_predictive_search.min.css

59 ms

css

css

80 ms

fontawesome.min.css

fontawesome.min.css

51 ms

solid.min.css

solid.min.css

62 ms

brands.min.css

brands.min.css

60 ms

jquery.min.js

jquery.min.js

63 ms

jquery-migrate.min.js

jquery-migrate.min.js

60 ms

wp-quicklatex-frontend.js

wp-quicklatex-frontend.js

60 ms

css

css

102 ms

js

js

159 ms

DVWDChao8F-56b467b4.js

DVWDChao8F-56b467b4.js

76 ms

hAFwWrllEX-f96b10de.js

hAFwWrllEX-f96b10de.js

59 ms

hello-frontend.min.js

hello-frontend.min.js

56 ms

asl-prereq.js

asl-prereq.js

58 ms

asl-core.js

asl-core.js

56 ms

asl-settings.js

asl-settings.js

41 ms

asl-results-vertical.js

asl-results-vertical.js

42 ms

asl-load.js

asl-load.js

46 ms

asl-wrapper.js

asl-wrapper.js

41 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

41 ms

jquery.sticky.min.js

jquery.sticky.min.js

37 ms

imagesloaded.min.js

imagesloaded.min.js

34 ms

underscore.min.js

underscore.min.js

34 ms

backbone.min.js

backbone.min.js

32 ms

backbone.localStorage.js

backbone.localStorage.js

32 ms

jquery.autocomplete.js

jquery.autocomplete.js

34 ms

predictive-search.backbone.js

predictive-search.backbone.js

29 ms

predictive-search-popup.backbone.js

predictive-search-popup.backbone.js

29 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

30 ms

webpack.runtime.min.js

webpack.runtime.min.js

30 ms

frontend-modules.min.js

frontend-modules.min.js

31 ms

hooks.min.js

hooks.min.js

29 ms

i18n.min.js

i18n.min.js

28 ms

frontend.min.js

frontend.min.js

25 ms

core.min.js

core.min.js

26 ms

frontend.min.js

frontend.min.js

26 ms

elements-handlers.min.js

elements-handlers.min.js

27 ms

logo.png

logo.png

53 ms

icon_Parameters.png

icon_Parameters.png

28 ms

icon_Applications-.png

icon_Applications-.png

26 ms

icon_Meters-Transmitters-1.png

icon_Meters-Transmitters-1.png

28 ms

iStock-1266743807.jpg

iStock-1266743807.jpg

29 ms

4.jpg

4.jpg

29 ms

iso.png

iso.png

28 ms

3-1.jpg

3-1.jpg

30 ms

iStock-1282300429-1-scaled-1.jpg

iStock-1282300429-1-scaled-1.jpg

34 ms

2.jpg

2.jpg

33 ms

category-bg.svg

category-bg.svg

31 ms

icon-white-2.png

icon-white-2.png

31 ms

blog-title-01.png

blog-title-01.png

32 ms

icon-blue-1.png

icon-blue-1.png

35 ms

PTSA-featured-image.png

PTSA-featured-image.png

35 ms

Heavy-Metals-Featured-Image-scaled.jpg

Heavy-Metals-Featured-Image-scaled.jpg

51 ms

DO-featured-image.jpg

DO-featured-image.jpg

37 ms

logo-1.png

logo-1.png

35 ms

en_US.png

en_US.png

36 ms

zh_CN.png

zh_CN.png

38 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

40 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

5 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aX8.ttf

34 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aX8.ttf

50 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

54 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

51 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

52 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

51 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aX8.ttf

50 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aX8.ttf

52 ms

fa-solid-900.woff

fa-solid-900.woff

33 ms

fa-brands-400.woff

fa-brands-400.woff

48 ms

Accessibility Review

vl-pc.com accessibility score

95

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.

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

Links do not have a discernible name

Best Practices

vl-pc.com best practices score

92

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

SEO Factors

vl-pc.com SEO score

91

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

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 Vl-pc.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 Vl-pc.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

vl-pc.com

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