Access liebert.com. Liebert Thermal and Power Systems

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value4,820 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value32.8 s

0/100

10%

875 ms

ps-widget.js

44 ms

webfont.js

23 ms

content

45 ms

calibre.css

41 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Liebert.com, 7% (7 requests) were made to Googletagmanager.com and 4% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (875 ms) relates to the external source Vertiv.com.

Content Size

1.5 MB

After Optimization

1.1 MB

In fact, the total size of Liebert.com main page is 1.5 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. Only a small number of websites need less resources to load. Images take 825.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 341.0 kB

Original 388.5 kB
After minification 305.8 kB
After compression 47.5 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 82.7 kB, which is 21% 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 341.0 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 182 B

Original 825.7 kB
After minification 825.5 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. Liebert images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 61.0 kB

Original 261.1 kB
After minification 261.0 kB
After compression 200.0 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 61.0 kB or 23% of the original size.

CSS Optimization

-46%

Potential reduce by 464 B

Original 1.0 kB
After minification 1.0 kB
After compression 536 B

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. Liebert.com needs all CSS files to be minified and compressed as it can save up to 464 B or 46% of the original size.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Liebert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Missing source maps for large first-party JavaScript

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

High

Document doesn't have a valid hreflang

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 Liebert.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 Liebert.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

liebert.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Liebert Thermal and Power Systems | Vertiv Brands

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

ps-widget.js

webfont.js

content

calibre.css

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

ps-widget.js

webfont.js

content

calibre.css

jquery-2.2.1.min.js

_displaytiles-container.min.js

_subscribe-scroll-box.min.js

jquery.min.js

angular.min.js

angular-animate.min.js

angular-sanitize.min.js

global

portalswitch

consultant

twitter-user-timeline.js

_newsletter-subscribe-form.min.js

css

config.js

gtm.js

analytics.js

Vertiv-Logo.svg

1600x636-liebert_room_97147_0.jpg

cp-ups-na-800x600-266778-vertiv-hpl.jpg

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tilted-blue-gray.png

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pcs-gxt-800x600

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footer-image-01.jpg

newsletter-icon.png

Vertiv-Logo--White.svg

fc29c58d508940b6974b5194de0e60e1.aspx

ai.0.js

CalibreWeb-Regular.woff

CalibreWeb-Medium.woff

CalibreWeb-Light.woff

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