Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

subzeropartsnow.com

Sub-Zero Parts Refrigerator Part Replacements - SubZero Refrigerator Replacement parts Retail & Wholesale 4204400 4204410 4204420 4204430 4204440 7014...

Page Load Speed

657 ms in total

First Response

89 ms

Resources Loaded

343 ms

Page Rendered

225 ms

subzeropartsnow.com screenshot

About Website

Click here to check amazing Sub Zero Parts Now content. Otherwise, check out these important facts you probably never knew about subzeropartsnow.com

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Key Findings

We analyzed Subzeropartsnow.com page load time and found that the first response time was 89 ms and then it took 568 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

subzeropartsnow.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

subzeropartsnow.com

89 ms

btn_viewcart_LG.gif

34 ms

logo.jpg

53 ms

switch.jpg

49 ms

icemaker_150.jpg

49 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 83% of them (19 requests) were addressed to the original Subzeropartsnow.com, 9% (2 requests) were made to Paypalobjects.com and 4% (1 request) were made to Knowledge.digicert.com. The less responsive or slowest element that took the longest time to load (265 ms) relates to the external source Knowledge.digicert.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.0 kB (8%)

Content Size

355.2 kB

After Optimization

327.3 kB

In fact, the total size of Subzeropartsnow.com main page is 355.2 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. 20% of websites need less resources to load. Images take 304.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 27.9 kB

  • Original 35.9 kB
  • After minification 32.1 kB
  • After compression 8.0 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 3.8 kB, which is 11% 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 27.9 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 19 B

  • Original 304.8 kB
  • After minification 304.8 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. Sub Zero Parts Now images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 14.6 kB
  • After minification 14.6 kB
  • After compression 14.6 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.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sub Zero Parts Now. According to our analytics all requests are already optimized.

Accessibility Review

subzeropartsnow.com accessibility score

62

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

subzeropartsnow.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

subzeropartsnow.com SEO score

67

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

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 Subzeropartsnow.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 Subzeropartsnow.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

Open Graph description is not detected on the main page of Sub Zero Parts Now. 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: