Tools & Wizards About Us
vitrowindowglass.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

vitrowindowglass.com

Residential Window Glass | by Vitro Architectural Glass

Page Load Speed

904 ms in total

First Response

33 ms

Resources Loaded

694 ms

Page Rendered

177 ms

vitrowindowglass.com screenshot

About Website

Welcome to vitrowindowglass.com homepage info - get ready to check Vitro Window Glass best content right away, or after learning these important things about vitrowindowglass.com

Vitro Architectural Glass makes residential window glass for any home in any climate. The company’s cradle to cradle certified line of low-e glass is energy efficient.

Visit vitrowindowglass.com

Key Findings

We analyzed Vitrowindowglass.com page load time and found that the first response time was 33 ms and then it took 871 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

vitrowindowglass.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

vitrowindowglass.com

33 ms

www.vitrowindowglass.com

260 ms

gtm.js

59 ms

jquery-1.9.1.min.js

101 ms

bootstrap.min.js

143 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 74% of them (25 requests) were addressed to the original Vitrowindowglass.com, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (260 ms) belongs to the original domain Vitrowindowglass.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 616.5 kB (34%)

Content Size

1.8 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vitrowindowglass.com main page is 1.8 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. 35% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 45.0 kB

  • Original 53.4 kB
  • After minification 46.3 kB
  • After compression 8.4 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 7.1 kB, which is 13% 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 45.0 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 26.5 kB

  • Original 1.0 MB
  • After minification 986.6 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. Vitro Window Glass images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 404.0 kB

  • Original 601.1 kB
  • After minification 578.5 kB
  • After compression 197.1 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 404.0 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 140.9 kB

  • Original 166.1 kB
  • After minification 151.0 kB
  • After compression 25.1 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. Vitrowindowglass.com needs all CSS files to be minified and compressed as it can save up to 140.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (53%)

Requests Now

30

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vitro Window Glass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vitrowindowglass.com

vitrowindowglass.com

33 ms

www.vitrowindowglass.com

www.vitrowindowglass.com

260 ms

gtm.js

gtm.js

59 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

101 ms

bootstrap.min.js

bootstrap.min.js

143 ms

waypoints.min.js

waypoints.min.js

119 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

150 ms

jquery.fancybox.css

jquery.fancybox.css

124 ms

css

css

25 ms

cufon-yui.js

cufon-yui.js

149 ms

CartoGothic_Std_400-CartoGothic_Std_700-CartoGothic_Std_italic_400-CartoGothic_Std_italic_700.font.js

CartoGothic_Std_400-CartoGothic_Std_700-CartoGothic_Std_italic_400-CartoGothic_Std_italic_700.font.js

179 ms

HelveticaNeue_400.font.js

HelveticaNeue_400.font.js

148 ms

restive.min.js

restive.min.js

200 ms

bootstrap.min.css

bootstrap.min.css

228 ms

main.css

main.css

198 ms

yamm.css

yamm.css

171 ms

jquery.cycle.all.min.js

jquery.cycle.all.min.js

24 ms

analytics.js

analytics.js

84 ms

1977288.js

1977288.js

107 ms

app.js

app.js

140 ms

sprite.png

sprite.png

96 ms

French_Flag_Small_Icon.jpg

French_Flag_Small_Icon.jpg

87 ms

Vitro-PPG_Logo_RGB_Graident.png

Vitro-PPG_Logo_RGB_Graident.png

87 ms

glenn_nav.png

glenn_nav.png

86 ms

home-sunny.jpg

home-sunny.jpg

109 ms

home-partsunny.jpg

home-partsunny.jpg

153 ms

home-rain.jpg

home-rain.jpg

158 ms

home-windrain.jpg

home-windrain.jpg

157 ms

home-snow.jpg

home-snow.jpg

136 ms

HP-bluetirangle.png

HP-bluetirangle.png

113 ms

circle-sprites.jpg

circle-sprites.jpg

136 ms

font

font

18 ms

font

font

33 ms

collect

collect

13 ms

Accessibility Review

vitrowindowglass.com accessibility score

76

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

Image elements do not have [alt] attributes

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

vitrowindowglass.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

vitrowindowglass.com SEO score

89

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

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vitrowindowglass.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vitrowindowglass.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

vitrowindowglass.com

Open Graph description is not detected on the main page of Vitro Window Glass. 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: