Tools & Wizards About Us
stellarnet.us screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 0

    Best Practices

  • 83

    SEO

    Google-friendlier than
    46% of websites

stellarnet.us

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Page Load Speed

3 sec in total

First Response

480 ms

Resources Loaded

2.2 sec

Page Rendered

355 ms

stellarnet.us screenshot

About Website

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

StellarNet, Inc. provides low cost miniature spectrometer systems and software for product analysis, research, education, and OEM. 

Visit stellarnet.us

Key Findings

We analyzed Stellarnet.us page load time and found that the first response time was 480 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

stellarnet.us performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value30.2 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.945

3/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

www.stellarnet.us

480 ms

wp-emoji-release.min.js

62 ms

cat-posts.css

47 ms

custom.css

46 ms

settings.css

66 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 81% of them (108 requests) were addressed to the original Stellarnet.us, 10% (13 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (480 ms) belongs to the original domain Stellarnet.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (57%)

Content Size

2.9 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stellarnet.us main page is 2.9 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. 70% of websites need less resources to load. CSS take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 224.5 kB

  • Original 256.5 kB
  • After minification 249.3 kB
  • After compression 32.0 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. 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 224.5 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 2.3 kB

  • Original 886.3 kB
  • After minification 884.0 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. Stellarnet images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 497.7 kB

  • Original 697.2 kB
  • After minification 657.7 kB
  • After compression 199.4 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 497.7 kB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 937.0 kB

  • Original 1.1 MB
  • After minification 962.7 kB
  • After compression 131.5 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. Stellarnet.us needs all CSS files to be minified and compressed as it can save up to 937.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (36%)

Requests Now

117

After Optimization

75

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stellarnet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.stellarnet.us

www.stellarnet.us

480 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

62 ms

cat-posts.css

cat-posts.css

47 ms

custom.css

custom.css

46 ms

settings.css

settings.css

66 ms

surbma-divi-gravity-forms.css

surbma-divi-gravity-forms.css

65 ms

style.css

style.css

158 ms

css

css

65 ms

style.css

style.css

71 ms

shortcodes.css

shortcodes.css

94 ms

shortcodes_responsive.css

shortcodes_responsive.css

83 ms

magnific_popup.css

magnific_popup.css

98 ms

ubermenu.min.css

ubermenu.min.css

126 ms

blackwhite2.css

blackwhite2.css

109 ms

font-awesome.min.css

font-awesome.min.css

135 ms

jquery.js

jquery.js

180 ms

jquery-migrate.min.js

jquery-migrate.min.js

144 ms

jquery.rwdImageMaps.min.js

jquery.rwdImageMaps.min.js

179 ms

scripts.js

scripts.js

179 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

213 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

199 ms

font-awesome.min.css

font-awesome.min.css

65 ms

font-awesome.min.css

font-awesome.min.css

68 ms

style.css

style.css

213 ms

css

css

14 ms

css

css

25 ms

formreset.min.css

formreset.min.css

13 ms

formsmain.min.css

formsmain.min.css

277 ms

readyclass.min.css

readyclass.min.css

38 ms

browsers.min.css

browsers.min.css

25 ms

galleries-shortcodes.css

galleries-shortcodes.css

275 ms

frontend-builder-global-functions.js

frontend-builder-global-functions.js

276 ms

call.js

call.js

277 ms

custom.js

custom.js

278 ms

jquery.fitvids.js

jquery.fitvids.js

276 ms

waypoints.min.js

waypoints.min.js

277 ms

jquery.magnific-popup.js

jquery.magnific-popup.js

279 ms

frontend-builder-scripts.js

frontend-builder-scripts.js

281 ms

js

js

272 ms

ubermenu.min.js

ubermenu.min.js

277 ms

wp-embed.min.js

wp-embed.min.js

278 ms

divi-mobile.js

divi-mobile.js

278 ms

analytics.js

analytics.js

166 ms

nav-picture.jpg

nav-picture.jpg

87 ms

blue.png

blue.png

86 ms

black.png

black.png

88 ms

silver.png

silver.png

89 ms

white.png

white.png

89 ms

green.png

green.png

90 ms

dwarf-red.png

dwarf-red.png

93 ms

mini-red.png

mini-red.png

92 ms

red.png

red.png

93 ms

Dual-System-in-hand.png

Dual-System-in-hand.png

94 ms

Raman-in-hand.png

Raman-in-hand.png

95 ms

Raman-system-150x125.jpg

Raman-system-150x125.jpg

95 ms

Raman-Tutorial-Video.jpg

Raman-Tutorial-Video.jpg

97 ms

leds-150x150.jpg

leds-150x150.jpg

99 ms

StellarRAD-Handheld.jpg

StellarRAD-Handheld.jpg

98 ms

LED.png

LED.png

99 ms

Solar.png

Solar.png

100 ms

laser.png

laser.png

189 ms

tablet.png

tablet.png

190 ms

plasma.png

plasma.png

191 ms

sl1-halogen.png

sl1-halogen.png

192 ms

sl3-deuterium.png

sl3-deuterium.png

193 ms

SL5-1.png

SL5-1.png

130 ms

sl1-and-sl3.png

sl1-and-sl3.png

130 ms

sl1-led-sources.png

sl1-led-sources.png

129 ms

StellarNet-Calibration-Services-150x150.jpg

StellarNet-Calibration-Services-150x150.jpg

129 ms

sl2-mercury.png

sl2-mercury.png

129 ms

Copy-of-cielab-hi-res-150x150.jpg

Copy-of-cielab-hi-res-150x150.jpg

128 ms

toolbox1-150x150.jpg

toolbox1-150x150.jpg

128 ms

Samples-and-Scores-Plot-ChemWiz-Chemometric-Predictor.jpg

Samples-and-Scores-Plot-ChemWiz-Chemometric-Predictor.jpg

128 ms

StellarCASE-Raman-rugged-raman-spectrometer-system.png

StellarCASE-Raman-rugged-raman-spectrometer-system.png

128 ms

StellarCase-NIR3.png

StellarCase-NIR3.png

127 ms

StellarCASE-LIBS-portable-elemental-analyzer1.png

StellarCASE-LIBS-portable-elemental-analyzer1.png

127 ms

StellarNet-integrating-sphere-266x300.jpg

StellarNet-integrating-sphere-266x300.jpg

127 ms

Fiber-Optic-Cables.png

Fiber-Optic-Cables.png

126 ms

www.stellarnet.us

www.stellarnet.us

468 ms

specialty-probes.png

specialty-probes.png

123 ms

shop-online-1.png

shop-online-1.png

123 ms

dummy.png

dummy.png

123 ms

StellarNet-Light-Measurement-home.jpg

StellarNet-Light-Measurement-home.jpg

123 ms

StellarCASE-LIBS-portable-elemental-analyzer.jpg

StellarCASE-LIBS-portable-elemental-analyzer.jpg

124 ms

raman-w-microscope-150x150.jpg

raman-w-microscope-150x150.jpg

120 ms

SW-SoftwareIcon.jpg

SW-SoftwareIcon.jpg

123 ms

compact-spectrometer-applications.png

compact-spectrometer-applications.png

119 ms

black-cave.jpg

black-cave.jpg

119 ms

tradeshows-and-events-180x40.jpg

tradeshows-and-events-180x40.jpg

120 ms

StellarNet-2016-Photonics-West-New-Product-Overview-200x130.jpg

StellarNet-2016-Photonics-West-New-Product-Overview-200x130.jpg

120 ms

StellarNet-News-180x40.jpg

StellarNet-News-180x40.jpg

119 ms

Blue-Wave-miniature-spectrometer.jpg

Blue-Wave-miniature-spectrometer.jpg

118 ms

StellarNet-RED-Wave-micro-NIR-spectrometer.jpg

StellarNet-RED-Wave-micro-NIR-spectrometer.jpg

119 ms

facebook.png

facebook.png

119 ms

twitter.png

twitter.png

182 ms

google_plus.png

google_plus.png

93 ms

linkedin.png

linkedin.png

94 ms

youtube.png

youtube.png

93 ms

shop-online-2.png

shop-online-2.png

92 ms

collect

collect

75 ms

MTP_ySUJH_bn48VBG8sNSha1RVmPjeKy21_GQJaLlJI.woff

MTP_ySUJH_bn48VBG8sNSha1RVmPjeKy21_GQJaLlJI.woff

10 ms

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

67 ms

EInbV5DfGHOiMmvb1Xr-hha1RVmPjeKy21_GQJaLlJI.woff

EInbV5DfGHOiMmvb1Xr-hha1RVmPjeKy21_GQJaLlJI.woff

66 ms

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

68 ms

DXI1ORHCpsQm3Vp6mXoaTRa1RVmPjeKy21_GQJaLlJI.woff

DXI1ORHCpsQm3Vp6mXoaTRa1RVmPjeKy21_GQJaLlJI.woff

66 ms

xjAJXh38I15wypJXxuGMBtIh4imgI8P11RFo6YPCPC0.woff

xjAJXh38I15wypJXxuGMBtIh4imgI8P11RFo6YPCPC0.woff

66 ms

PRmiXeptR36kaC0GEAetxrsuoFAk0leveMLeqYtnfAY.woff

PRmiXeptR36kaC0GEAetxrsuoFAk0leveMLeqYtnfAY.woff

67 ms

PRmiXeptR36kaC0GEAetxmWeb5PoA5ztb49yLyUzH1A.woff

PRmiXeptR36kaC0GEAetxmWeb5PoA5ztb49yLyUzH1A.woff

69 ms

PRmiXeptR36kaC0GEAetxoUt79146ZFaIJxILcpzmhI.woff

PRmiXeptR36kaC0GEAetxoUt79146ZFaIJxILcpzmhI.woff

68 ms

PRmiXeptR36kaC0GEAetxqQf9gnzM91ovO3JZgha9gY.woff

PRmiXeptR36kaC0GEAetxqQf9gnzM91ovO3JZgha9gY.woff

68 ms

ETmodules_v2_4.ttf

ETmodules_v2_4.ttf

69 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

66 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

67 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

69 ms

SpectraWizard-Chemistry-tshirt.jpg

SpectraWizard-Chemistry-tshirt.jpg

43 ms

revolution.extension.video.min.js

revolution.extension.video.min.js

142 ms

revolution.extension.slideanims.min.js

revolution.extension.slideanims.min.js

144 ms

revolution.extension.actions.min.js

revolution.extension.actions.min.js

136 ms

revolution.extension.layeranimation.min.js

revolution.extension.layeranimation.min.js

144 ms

revolution.extension.navigation.min.js

revolution.extension.navigation.min.js

146 ms

revolution.extension.parallax.min.js

revolution.extension.parallax.min.js

140 ms

iframe_api

iframe_api

118 ms

BLACK-Comet-Background.jpg

BLACK-Comet-Background.jpg

161 ms

IczWvq5y_Cwwv_rBjOtT0w.woff

IczWvq5y_Cwwv_rBjOtT0w.woff

13 ms

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13 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

12 ms

StellarNet-BLACK-Comet-TEC.png

StellarNet-BLACK-Comet-TEC.png

79 ms

BK-TEC-logo.png

BK-TEC-logo.png

86 ms

www-widgetapi.js

www-widgetapi.js

46 ms

hi_res_space3.jpg

hi_res_space3.jpg

101 ms

StellarNet-Raman-Spectrometers-Pharmaceuticals.png

StellarNet-Raman-Spectrometers-Pharmaceuticals.png

97 ms

saturn.jpg

saturn.jpg

89 ms

DWARF-Star2.png

DWARF-Star2.png

41 ms

Accessibility Review

stellarnet.us accessibility score

80

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

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

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.

SEO Factors

stellarnet.us SEO score

83

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

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 Stellarnet.us 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 Stellarnet.us 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

stellarnet.us

Open Graph data is detected on the main page of Stellarnet. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: