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lennoxinternational.com screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 0

    Best Practices

  • 74

    SEO

    Google-friendlier than
    32% of websites

lennoxinternational.com

Air Conditioning and Heating Solutions | Lennox

Page Load Speed

2.5 sec in total

First Response

257 ms

Resources Loaded

2.2 sec

Page Rendered

133 ms

lennoxinternational.com screenshot

About Website

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

Explore Lennox comfort and energy-efficient solutions for heating and cooling your space. Upgrade your home's HVAC system with industry-leading solutions.

Visit lennoxinternational.com

Key Findings

We analyzed Lennoxinternational.com page load time and found that the first response time was 257 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

lennoxinternational.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.6 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,700 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.203

61/100

15%

TTI (Time to Interactive)

Value29.4 s

0/100

10%

Network Requests Diagram

lennoxinternational.com

257 ms

style.css

216 ms

styles.css

155 ms

global.css

165 ms

html5.js

36 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 57% of them (20 requests) were addressed to the original Lennoxinternational.com, 17% (6 requests) were made to Phx.corporate-ir.net and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Lennoxinternational.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.5 kB (20%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lennoxinternational.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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 13.4 kB

  • Original 17.2 kB
  • After minification 14.6 kB
  • After compression 3.8 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 2.6 kB, which is 15% 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 13.4 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 23.2 kB

  • Original 1.1 MB
  • After minification 1.1 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. Lennox International images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 162.7 kB

  • Original 271.1 kB
  • After minification 251.0 kB
  • After compression 108.5 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 162.7 kB or 60% of the original size.

CSS Optimization

-88%

Potential reduce by 96.2 kB

  • Original 109.6 kB
  • After minification 70.4 kB
  • After compression 13.4 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. Lennoxinternational.com needs all CSS files to be minified and compressed as it can save up to 96.2 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (32%)

Requests Now

34

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lennox International. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lennoxinternational.com

lennoxinternational.com

257 ms

style.css

style.css

216 ms

styles.css

styles.css

155 ms

global.css

global.css

165 ms

html5.js

html5.js

36 ms

flexslider.css

flexslider.css

156 ms

jquery.min.js

jquery.min.js

35 ms

jquery.flexslider.js

jquery.flexslider.js

123 ms

phoenix.zhtml

phoenix.zhtml

108 ms

phoenix.zhtml

phoenix.zhtml

67 ms

logo.jpg

logo.jpg

68 ms

menu_bg.jpg

menu_bg.jpg

101 ms

banner1.jpg

banner1.jpg

1662 ms

banner2.jpg

banner2.jpg

388 ms

banner3.jpg

banner3.jpg

324 ms

banner4.jpg

banner4.jpg

443 ms

banner5.jpg

banner5.jpg

235 ms

banner6.jpg

banner6.jpg

334 ms

working_img.jpg

working_img.jpg

323 ms

driving_img.jpg

driving_img.jpg

385 ms

indutry_img.jpg

indutry_img.jpg

411 ms

fb.jpg

fb.jpg

403 ms

linkedin.jpg

linkedin.jpg

446 ms

analytics.js

analytics.js

5 ms

collect

collect

25 ms

HttpCombiner.ashx

HttpCombiner.ashx

10 ms

ccbnIR.css

ccbnIR.css

219 ms

HttpCombiner.ashx

HttpCombiner.ashx

143 ms

s_code.js

s_code.js

11 ms

CoreClientCode.js

CoreClientCode.js

12 ms

stockbg1.jpg

stockbg1.jpg

31 ms

stockdiv.jpg

stockdiv.jpg

26 ms

s34391530489083

s34391530489083

12 ms

s32706711688078

s32706711688078

7 ms

bg_direction_nav.png

bg_direction_nav.png

62 ms

Accessibility Review

lennoxinternational.com accessibility score

75

Accessibility Issues

ARIA

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.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs are not unique

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

<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

SEO Factors

lennoxinternational.com SEO score

74

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Lennoxinternational.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 Lennoxinternational.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

lennoxinternational.com

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