Tools & Wizards About Us
purifier.org screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

purifier.org

CaluTech UV Air Purifier - Ultraviolet Germicidal UV for HVAC

Page Load Speed

812 ms in total

First Response

99 ms

Resources Loaded

400 ms

Page Rendered

313 ms

purifier.org screenshot

About Website

Welcome to purifier.org homepage info - get ready to check Purifier best content right away, or after learning these important things about purifier.org

Manufacturer of UV air purifier systems and whole house UV lights for HVAC. Product offering includes consumer, commercial, industrial and government UV air purification devices.

Visit purifier.org

Key Findings

We analyzed Purifier.org page load time and found that the first response time was 99 ms and then it took 713 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

purifier.org performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

purifier.org

99 ms

default2.css

64 ms

flexslider.css

57 ms

fixed-navigation.css

80 ms

css

37 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 64% of them (30 requests) were addressed to the original Purifier.org, 9% (4 requests) were made to Platform.twitter.com and 9% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (180 ms) belongs to the original domain Purifier.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.3 kB (8%)

Content Size

846.7 kB

After Optimization

775.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Purifier.org main page is 846.7 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. 35% of websites need less resources to load. Images take 643.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 25.5 kB

  • Original 34.9 kB
  • After minification 33.2 kB
  • After compression 9.4 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. 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 25.5 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 1.2 kB

  • Original 643.6 kB
  • After minification 642.4 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. Purifier images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 26.2 kB

  • Original 146.0 kB
  • After minification 131.8 kB
  • After compression 119.8 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 26.2 kB or 18% of the original size.

CSS Optimization

-82%

Potential reduce by 18.3 kB

  • Original 22.3 kB
  • After minification 16.8 kB
  • After compression 4.0 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. Purifier.org needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (24%)

Requests Now

42

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Purifier. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

purifier.org

purifier.org

99 ms

default2.css

default2.css

64 ms

flexslider.css

flexslider.css

57 ms

fixed-navigation.css

fixed-navigation.css

80 ms

css

css

37 ms

jquery.min.js

jquery.min.js

24 ms

jquery.flexslider.js

jquery.flexslider.js

91 ms

default.js

default.js

60 ms

js

js

60 ms

widgets.js

widgets.js

51 ms

sep-hor.gif

sep-hor.gif

45 ms

sep-vert.gif

sep-vert.gif

45 ms

calutech.gif

calutech.gif

45 ms

gallery2.jpg

gallery2.jpg

67 ms

gallery4.jpg

gallery4.jpg

84 ms

gallery3.jpg

gallery3.jpg

66 ms

gallery5.jpg

gallery5.jpg

94 ms

gallery6.jpg

gallery6.jpg

93 ms

gallery7.jpg

gallery7.jpg

98 ms

gallery8.jpg

gallery8.jpg

126 ms

gallery11.jpg

gallery11.jpg

107 ms

gallery9.jpg

gallery9.jpg

126 ms

gallery10.jpg

gallery10.jpg

127 ms

gallery12.jpg

gallery12.jpg

135 ms

gallery15.jpg

gallery15.jpg

134 ms

gallery14.jpg

gallery14.jpg

148 ms

content01.jpg

content01.jpg

151 ms

content02.png

content02.png

153 ms

content03.gif

content03.gif

156 ms

content05.gif

content05.gif

162 ms

img-news01.jpg

img-news01.jpg

165 ms

blue-air-uv-purifier.jpg

blue-air-uv-purifier.jpg

168 ms

blueray-germicidal-protection-uv-air-purifier.jpg

blueray-germicidal-protection-uv-air-purifier.jpg

180 ms

galleryControls.png

galleryControls.png

180 ms

jizaRExUiTo99u79D0KEw8OPIDU.woff

jizaRExUiTo99u79D0KEw8OPIDU.woff

41 ms

jizaRExUiTo99u79D0yEw8OPIDUg-g.woff

jizaRExUiTo99u79D0yEw8OPIDUg-g.woff

43 ms

jizaRExUiTo99u79D0aEw8OPIDUg-g.woff

jizaRExUiTo99u79D0aEw8OPIDUg-g.woff

45 ms

jizaRExUiTo99u79D0-Ew8OPIDUg-g.woff

jizaRExUiTo99u79D0-Ew8OPIDUg-g.woff

47 ms

sdk.js

sdk.js

39 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

19 ms

settings

settings

74 ms

sdk.js

sdk.js

8 ms

43 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

3 ms

embeds

embeds

30 ms

embeds

embeds

58 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

13 ms

Accessibility Review

purifier.org accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

purifier.org best practices score

75

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

High

Browser errors were logged to the console

SEO Factors

purifier.org SEO score

100

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 uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Purifier.org 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 Purifier.org 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

purifier.org

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