Tools & Wizards About Us
heaterzone.com screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

heaterzone.com

www.heaterzone.com

Page Load Speed

3.7 sec in total

First Response

530 ms

Resources Loaded

3 sec

Page Rendered

128 ms

heaterzone.com screenshot

About Website

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

Welcome to HeaterZone.com , the internet source for heater cable & controls. The service team at HeaterZone.com brings more than forty years of experience in the heater cable business. That experienc...

Visit heaterzone.com

Key Findings

We analyzed Heaterzone.com page load time and found that the first response time was 530 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

heaterzone.com performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

Default.asp

530 ms

jquery-ui.css

38 ms

default.css

163 ms

jquery-3.7.1.min.js

31 ms

jquery-migrate-merged.js

142 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 78% of them (36 requests) were addressed to the original Heaterzone.com, 4% (2 requests) were made to Ajax.googleapis.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (530 ms) belongs to the original domain Heaterzone.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.7 kB (7%)

Content Size

384.0 kB

After Optimization

358.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heaterzone.com main page is 384.0 kB. 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 267.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 23.5 kB

  • Original 31.2 kB
  • After minification 31.1 kB
  • After compression 7.7 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 23.5 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 267.8 kB
  • After minification 266.4 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. Heaterzone images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 739 B

  • Original 68.9 kB
  • After minification 68.9 kB
  • After compression 68.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 181 B

  • Original 16.2 kB
  • After minification 16.2 kB
  • After compression 16.0 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. Heaterzone.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (69%)

Requests Now

45

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heaterzone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Default.asp

Default.asp

530 ms

jquery-ui.css

jquery-ui.css

38 ms

default.css

default.css

163 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

31 ms

jquery-migrate-merged.js

jquery-migrate-merged.js

142 ms

jquery-ui.min.js

jquery-ui.min.js

43 ms

volusion.js

volusion.js

195 ms

content.css

content.css

159 ms

paypal-rest-default-buttons.js

paypal-rest-default-buttons.js

158 ms

soft_add.css

soft_add.css

219 ms

javascripts.js

javascripts.js

300 ms

f2c8c7e93216e073_complete.js

f2c8c7e93216e073_complete.js

37 ms

Imports.css

Imports.css

348 ms

js

js

93 ms

js

js

63 ms

email-decode.min.js

email-decode.min.js

138 ms

class-name-watcher.js

class-name-watcher.js

209 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

58 ms

fontello.css

fontello.css

99 ms

ionicons.min.css

ionicons.min.css

113 ms

Colors.css

Colors.css

173 ms

Content_Area.css

Content_Area.css

111 ms

Template.css

Template.css

103 ms

Navigation.css

Navigation.css

182 ms

spacer.gif

spacer.gif

105 ms

header_bg.jpg

header_bg.jpg

134 ms

btn_go.gif

btn_go.gif

135 ms

left_nav_tile.gif

left_nav_tile.gif

137 ms

nav_menu_bottom.gif

nav_menu_bottom.gif

165 ms

left_nav_title_background.gif

left_nav_title_background.gif

103 ms

Menu1_Bullet.gif

Menu1_Bullet.gif

235 ms

Menu1_Bullet_End.gif

Menu1_Bullet_End.gif

261 ms

cc_logo1.gif

cc_logo1.gif

247 ms

seal_volusion1.png

seal_volusion1.png

243 ms

clear1x1.gif

clear1x1.gif

286 ms

heater%20new.jpg

heater%20new.jpg

245 ms

cable%20on%20roof.jpg

cable%20on%20roof.jpg

346 ms

heater%204.jpg

heater%204.jpg

345 ms

hltj.jpg

hltj.jpg

348 ms

ta735.jpg

ta735.jpg

349 ms

lt&clt%20cb.jpg

lt&clt%20cb.jpg

415 ms

footer_background.gif

footer_background.gif

412 ms

b6361faf-9c21-42e1-a6f7-eef864670f5e.js

b6361faf-9c21-42e1-a6f7-eef864670f5e.js

98 ms

blank.gif

blank.gif

38 ms

help_green_left_en.png

help_green_left_en.png

23 ms

main.js

main.js

10 ms

Accessibility Review

heaterzone.com accessibility score

77

Accessibility Issues

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

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

heaterzone.com best practices score

83

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

SEO Factors

heaterzone.com SEO score

92

Search Engine Optimization Advices

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heaterzone.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 Heaterzone.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

heaterzone.com

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