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nitrogen-generators.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

nitrogen-generators.com

Nitrogen Generators - Compressed Gas Technologies

Page Load Speed

1.7 sec in total

First Response

37 ms

Resources Loaded

1.2 sec

Page Rendered

464 ms

nitrogen-generators.com screenshot

About Website

Welcome to nitrogen-generators.com homepage info - get ready to check Nitrogen Generators best content right away, or after learning these important things about nitrogen-generators.com

Compressed Gas Technologies (CGT) Supplying Nitrogen to Laboratories, Universities, Pharmaceutical Companies Since 2001. Nitrogen Generators

Visit nitrogen-generators.com

Key Findings

We analyzed Nitrogen-generators.com page load time and found that the first response time was 37 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

nitrogen-generators.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value27.8 s

0/100

25%

SI (Speed Index)

Value22.1 s

0/100

10%

TBT (Total Blocking Time)

Value2,440 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value31.0 s

0/100

10%

Network Requests Diagram

nitrogen-generators.com

37 ms

nitrogen-generators.com

230 ms

js

91 ms

gtm.js

77 ms

js_composer.min.css

153 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 90% of them (111 requests) were addressed to the original Nitrogen-generators.com, 2% (3 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (379 ms) belongs to the original domain Nitrogen-generators.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.6 kB (2%)

Content Size

4.0 MB

After Optimization

3.9 MB

  • Images
  • JavaScript

In fact, the total size of Nitrogen-generators.com main page is 4.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-0%

Potential reduce by -8 B

  • Original 0 B

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 web page is already compressed.

Image Optimization

-1%

Potential reduce by 36.4 kB

  • Original 3.7 MB
  • After minification 3.7 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. Nitrogen Generators images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 58.2 kB

  • Original 305.5 kB
  • After minification 305.4 kB
  • After compression 247.2 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 58.2 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 76 (64%)

Requests Now

119

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nitrogen Generators. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nitrogen-generators.com

nitrogen-generators.com

37 ms

nitrogen-generators.com

nitrogen-generators.com

230 ms

js

js

91 ms

gtm.js

gtm.js

77 ms

js_composer.min.css

js_composer.min.css

153 ms

formreset.min.css

formreset.min.css

55 ms

formsmain.min.css

formsmain.min.css

87 ms

readyclass.min.css

readyclass.min.css

68 ms

browsers.min.css

browsers.min.css

58 ms

bootstrap-light.min.css

bootstrap-light.min.css

58 ms

base.min.css

base.min.css

108 ms

widget-wd-recent-posts.min.css

widget-wd-recent-posts.min.css

73 ms

widget-nav.min.css

widget-nav.min.css

85 ms

int-mc4wp.min.css

int-mc4wp.min.css

89 ms

int-rev-slider.min.css

int-rev-slider.min.css

107 ms

int-wpb-base.min.css

int-wpb-base.min.css

111 ms

int-wpb-base-deprecated.min.css

int-wpb-base-deprecated.min.css

109 ms

opt-form-underline.min.css

opt-form-underline.min.css

110 ms

style.css

style.css

111 ms

header-base.min.css

header-base.min.css

112 ms

mod-tools.min.css

mod-tools.min.css

113 ms

header-el-base.min.css

header-el-base.min.css

113 ms

el-social-icons.min.css

el-social-icons.min.css

115 ms

el-info-box.min.css

el-info-box.min.css

116 ms

header-el-mobile-nav-dropdown.min.css

header-el-mobile-nav-dropdown.min.css

124 ms

widget-nav-mega-menu.min.css

widget-nav-mega-menu.min.css

122 ms

mod-nav-vertical.min.css

mod-nav-vertical.min.css

124 ms

mod-nav-vertical-design-default.min.css

mod-nav-vertical-design-default.min.css

130 ms

mod-nav-menu-label.min.css

mod-nav-menu-label.min.css

129 ms

el-section-title.min.css

el-section-title.min.css

137 ms

el-section-title-style-simple-and-brd.min.css

el-section-title-style-simple-and-brd.min.css

137 ms

mod-highlighted-text.min.css

mod-highlighted-text.min.css

137 ms

int-wbp-el-animations.min.css

int-wbp-el-animations.min.css

143 ms

el-responsive-text.min.css

el-responsive-text.min.css

144 ms

lib-magnific-popup.min.css

lib-magnific-popup.min.css

159 ms

footer-base.min.css

footer-base.min.css

159 ms

el-list.min.css

el-list.min.css

159 ms

opt-scrolltotop.min.css

opt-scrolltotop.min.css

160 ms

wd-search-form.min.css

wd-search-form.min.css

160 ms

css

css

37 ms

api.js

api.js

39 ms

js

js

75 ms

211868.js

211868.js

44 ms

css

css

33 ms

animate.min.css

animate.min.css

156 ms

v4-shims.min.css

v4-shims.min.css

121 ms

all.min.css

all.min.css

131 ms

rs6.css

rs6.css

130 ms

jquery.min.js

jquery.min.js

141 ms

hrf-script.js

hrf-script.js

110 ms

jquery.json.min.js

jquery.json.min.js

95 ms

gravityforms.min.js

gravityforms.min.js

101 ms

utils.min.js

utils.min.js

88 ms

device.min.js

device.min.js

88 ms

scrollBar.min.js

scrollBar.min.js

93 ms

rbtools.min.js

rbtools.min.js

224 ms

rs6.min.js

rs6.min.js

231 ms

dom-ready.min.js

dom-ready.min.js

221 ms

hooks.min.js

hooks.min.js

222 ms

i18n.min.js

i18n.min.js

221 ms

a11y.min.js

a11y.min.js

220 ms

jquery.maskedinput.min.js

jquery.maskedinput.min.js

221 ms

vendor-theme.min.js

vendor-theme.min.js

219 ms

scripts-theme.min.js

scripts-theme.min.js

219 ms

js_composer_front.min.js

js_composer_front.min.js

212 ms

cookie.min.js

cookie.min.js

212 ms

helpers.min.js

helpers.min.js

211 ms

woocommerceNotices.min.js

woocommerceNotices.min.js

205 ms

headerBuilder.min.js

headerBuilder.min.js

206 ms

menuOffsets.min.js

menuOffsets.min.js

199 ms

menuSetUp.min.js

menuSetUp.min.js

198 ms

menuDropdownsAJAX.min.js

menuDropdownsAJAX.min.js

199 ms

vc-waypoints.min.js

vc-waypoints.min.js

208 ms

magnific-popup.min.js

magnific-popup.min.js

194 ms

contentPopup.min.js

contentPopup.min.js

192 ms

scrollTop.min.js

scrollTop.min.js

191 ms

mobileNavigation.min.js

mobileNavigation.min.js

192 ms

46cquuw24i

46cquuw24i

160 ms

cellphone.svg

cellphone.svg

101 ms

CGT-Logo-new-stacked-small.png

CGT-Logo-new-stacked-small.png

129 ms

CGT-Logo-new-01.png

CGT-Logo-new-01.png

131 ms

CGT-HNS-Photo.png

CGT-HNS-Photo.png

156 ms

MNG-3-1-219x300.png

MNG-3-1-219x300.png

128 ms

HSS-127x300.png

HSS-127x300.png

129 ms

laser-cutting-header.png

laser-cutting-header.png

379 ms

lcms-header.png

lcms-header.png

218 ms

industrial-header3-1.png

industrial-header3-1.png

153 ms

brewery-header.png

brewery-header.png

154 ms

gas-header.jpg

gas-header.jpg

213 ms

Mega-Example.jpg

Mega-Example.jpg

213 ms

dummy.png

dummy.png

211 ms

home-icons-clock-04-150x150.png

home-icons-clock-04-150x150.png

136 ms

CGT_Icons-co2.png

CGT_Icons-co2.png

136 ms

CGT_Icons-FIBER.png

CGT_Icons-FIBER.png

137 ms

CGT_Icons-beampurge.png

CGT_Icons-beampurge.png

136 ms

CGT_Icons-LCMS.png

CGT_Icons-LCMS.png

137 ms

CGT_Icons-nmr.png

CGT_Icons-nmr.png

136 ms

CGT_Icons-fumehoods.png

CGT_Icons-fumehoods.png

136 ms

CGT_Icons-gloveboxes.png

CGT_Icons-gloveboxes.png

137 ms

CGT_Icons-MAP.png

CGT_Icons-MAP.png

136 ms

CGT_Icons-CAS.png

CGT_Icons-CAS.png

136 ms

CGT_Icons-Bottling.png

CGT_Icons-Bottling.png

136 ms

CGT_Icons-Blanketing.png

CGT_Icons-Blanketing.png

136 ms

CGT_Icons-Sparging.png

CGT_Icons-Sparging.png

141 ms

CGT_Icons-Electronics.png

CGT_Icons-Electronics.png

142 ms

CGT_Icons-Prototyping.png

CGT_Icons-Prototyping.png

142 ms

CGT_Icons-Heat.png

CGT_Icons-Heat.png

141 ms

CGT_Icons-AlumEx.png

CGT_Icons-AlumEx.png

141 ms

pxiEyp8kv8JHgFVrJJfedA.woff

pxiEyp8kv8JHgFVrJJfedA.woff

55 ms

pxiByp8kv8JHgFVrLEj6Z1xlEw.woff

pxiByp8kv8JHgFVrLEj6Z1xlEw.woff

55 ms

CGT_Icons-Purging.png

CGT_Icons-Purging.png

154 ms

laboratories.png

laboratories.png

152 ms

Gas-seals.png

Gas-seals.png

153 ms

home-icons-01-150x150.png

home-icons-01-150x150.png

151 ms

home-icons-02-150x150.png

home-icons-02-150x150.png

151 ms

home-icons-03-150x150.png

home-icons-03-150x150.png

153 ms

CGT-Logo-new-stacked-noshadow-e1586972504836-252x176.png

CGT-Logo-new-stacked-noshadow-e1586972504836-252x176.png

127 ms

wd-phone-dark.svg

wd-phone-dark.svg

127 ms

wd-envelope-dark.svg

wd-envelope-dark.svg

127 ms

wd-cursor-dark.svg

wd-cursor-dark.svg

247 ms

vertical-line-bg-left.png

vertical-line-bg-left.png

248 ms

clarity.js

clarity.js

65 ms

recaptcha__en.js

recaptcha__en.js

184 ms

Accessibility Review

nitrogen-generators.com accessibility score

89

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

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

nitrogen-generators.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nitrogen-generators.com SEO score

84

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nitrogen-generators.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 Nitrogen-generators.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

nitrogen-generators.com

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