Tools & Wizards About Us
nuvair.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

nuvair.com

NUVAIR: Breathing Air Systems, Industrial Compressors, Nitrox

Page Load Speed

5.6 sec in total

First Response

214 ms

Resources Loaded

4.9 sec

Page Rendered

451 ms

nuvair.com screenshot

About Website

Visit nuvair.com now to see the best up-to-date NUVAIR content for United States and also check out these interesting facts you probably never knew about nuvair.com

Nuvair manufactures high- and low-pressure gas compressors (breathing air, nitrox, nitrogen, CNG and industrial air), gas analyzers, fill containment stations, and fill panels for diving, paintball, m...

Visit nuvair.com

Key Findings

We analyzed Nuvair.com page load time and found that the first response time was 214 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

nuvair.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.238

52/100

15%

TTI (Time to Interactive)

Value28.1 s

0/100

10%

Network Requests Diagram

nuvair.com

214 ms

40f97860073895eb3398ad99ce8e6aaf.css

51 ms

styles-l.css

38 ms

77e0af07dd0b263e187b0e48eaba3a40.js

34 ms

css

95 ms

Our browser made a total of 249 requests to load all elements on the main page. We found that 88% of them (218 requests) were addressed to the original Nuvair.com, 7% (17 requests) were made to Fonts.gstatic.com and 2% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Nuvair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 485.9 kB (11%)

Content Size

4.5 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nuvair.com main page is 4.5 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 219.0 kB

  • Original 242.4 kB
  • After minification 184.8 kB
  • After compression 23.4 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. This page needs HTML code to be minified as it can gain 57.6 kB, which is 24% 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 219.0 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 21.1 kB

  • Original 3.4 MB
  • After minification 3.4 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. NUVAIR images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 232.9 kB

  • Original 722.6 kB
  • After minification 718.8 kB
  • After compression 489.7 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 232.9 kB or 32% of the original size.

CSS Optimization

-8%

Potential reduce by 12.9 kB

  • Original 158.3 kB
  • After minification 158.3 kB
  • After compression 145.5 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. Nuvair.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 156 (69%)

Requests Now

225

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 225 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NUVAIR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 144 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nuvair.com

nuvair.com

214 ms

40f97860073895eb3398ad99ce8e6aaf.css

40f97860073895eb3398ad99ce8e6aaf.css

51 ms

styles-l.css

styles-l.css

38 ms

77e0af07dd0b263e187b0e48eaba3a40.js

77e0af07dd0b263e187b0e48eaba3a40.js

34 ms

css

css

95 ms

js

js

104 ms

js

js

142 ms

css

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126 ms

css

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162 ms

css

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163 ms

bootstrap.optimized.min.css

bootstrap.optimized.min.css

45 ms

animate.optimized.css

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36 ms

type1.css

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44 ms

custom.css

custom.css

85 ms

design_default.css

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94 ms

settings_default.css

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92 ms

addthis_widget.js

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102 ms

email-decode.min.js

email-decode.min.js

65 ms

chatloader.min.js

chatloader.min.js

228 ms

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33 ms

common.js

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34 ms

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38 ms

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33 ms

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42 ms

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73 ms

FormData.js

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120 ms

form-key-provider.js

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51 ms

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50 ms

theme.js

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119 ms

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157 ms

css2

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60 ms

domReady.js

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88 ms

main.js

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87 ms

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86 ms

template.js

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87 ms

confirm.js

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87 ms

widget.js

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120 ms

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87 ms

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44 ms

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298 ms

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318 ms

opensans-300.woff

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311 ms

opensans-600.woff

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309 ms

chatscript.min.js

chatscript.min.js

165 ms

opensans-700.woff

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358 ms

sw_megamenu.js

sw_megamenu.js

357 ms

callforprice.js

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357 ms

owl.carousel.min.js

owl.carousel.min.js

356 ms

enquire.js

enquire.js

354 ms

knockout.js

knockout.js

356 ms

knockout-es5.js

knockout-es5.js

361 ms

underscore.js

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363 ms

translate.js

translate.js

360 ms

modal.js

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358 ms

wrapper.js

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359 ms

traveler-northstar-gas.jpg

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360 ms

jquery.sticky.min.js

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359 ms

owl.carousel.js

owl.carousel.js

256 ms

engine.js

engine.js

254 ms

bootstrap.js

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254 ms

observable_array.js

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254 ms

fbevents.js

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bound-nodes.js

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532 ms

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203 ms

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201 ms

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scripts.js

214 ms

smart-keyboard-handler.js

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215 ms

mage.js

mage.js

212 ms

ie-class-fixer.js

ie-class-fixer.js

520 ms

jquery.lazyload.js

jquery.lazyload.js

521 ms

js-translation.json

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525 ms

porto-icons.woff

porto-icons.woff

471 ms

fa-brands-400.woff

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466 ms

titan.jpg

titan.jpg

437 ms

pn-nitrox_2.jpg

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437 ms

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436 ms

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385 ms

vds-full.jpg

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386 ms

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384 ms

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386 ms

pn04_1.jpg

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343 ms

coltri-compressors.jpg

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337 ms

champion-pneumatic.jpg

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compair.jpg

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compat.js

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311 ms

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3186 ms

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3412 ms

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3410 ms

key-codes.js

key-codes.js

101 ms

core.js

core.js

100 ms

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knockout-repeat.js

101 ms

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102 ms

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66 ms

renderer.js

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resizable.js

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67 ms

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keyboard.js

keyboard.js

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Accessibility Review

nuvair.com accessibility score

69

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

nuvair.com best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nuvair.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Nuvair.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 Nuvair.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

nuvair.com

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