Access uvelux.com. VELUX Skylights | See our selection of skylight windows

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value15,870 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.367

29/100

15%

TTI (Time to Interactive)

Value44.3 s

0/100

10%

www.veluxusa.com

495 ms

tailwind.min.css

342 ms

marketing.min.css

401 ms

jquery-3.3.0.min.js

16 ms

jquery-migrate-3.3.2.js

17 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Uvelux.com, 5% (5 requests) were made to Youtube.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Veluxusa.com.

Content Size

17.4 MB

After Optimization

5.3 MB

In fact, the total size of Uvelux.com main page is 17.4 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. Only a small number of websites need less resources to load. Images take 16.6 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 218.6 kB

Original 238.9 kB
After minification 126.4 kB
After compression 20.4 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 112.5 kB, which is 47% 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 218.6 kB or 91% of the original size.

Image Optimization

-71%

Potential reduce by 11.9 MB

Original 16.6 MB
After minification 4.7 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. Obviously, U VELUX needs image optimization as it can save up to 11.9 MB or 71% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

Original 248.6 kB
After minification 248.6 kB
After compression 245.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

Original 332.9 kB
After minification 332.9 kB
After compression 332.9 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. Uvelux.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U VELUX. 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 as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

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/).

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 Uvelux.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 Uvelux.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

uvelux.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

VELUX Skylights | See our selection of skylight windows

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.veluxusa.com

tailwind.min.css

marketing.min.css

jquery-3.3.0.min.js

jquery-migrate-3.3.2.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.veluxusa.com

tailwind.min.css

marketing.min.css

jquery-3.3.0.min.js

jquery-migrate-3.3.2.js

common.min.js

components.min.js

js

686777ed6d.js

gtm.js

gtm.js

FB1t3SD6p5U

header-bottom-bg.png

velux%20logo.svg

bg_global_menu.png

velux-sprite.png

hgtv-logos-2023-2.png

icon-chevron-small-right.png

facebook.png

instagram.png

twitter.png

linkedin-icon.png

youtube.png

vimeo.png

pinterest.png

email.png

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trustedadvisor-3.jpg

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