Tools & Wizards About Us
nvx.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

nvx.com

NVX Car Speakers, Subwoofers, Amplifiers and Installation Accessories

Page Load Speed

3.3 sec in total

First Response

470 ms

Resources Loaded

2.5 sec

Page Rendered

406 ms

nvx.com screenshot

About Website

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

Developed by and for music buffs, NVX provides a range of audio solutions for any ride. Shop our vehicle specific BOOST boxes, premium speakers, stereos and accessories. All designed and engineered in...

Visit nvx.com

Key Findings

We analyzed Nvx.com page load time and found that the first response time was 470 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

nvx.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value3,560 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.119

84/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

nvx.com

470 ms

preloads.js

51 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

36 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

35 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

32 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 91% of them (70 requests) were addressed to the original Nvx.com, 5% (4 requests) were made to Cdn.shopify.com and 1% (1 request) were made to Cdn.judge.me. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Nvx.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 440.4 kB (8%)

Content Size

5.2 MB

After Optimization

4.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nvx.com main page is 5.2 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 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 269.6 kB

  • Original 318.5 kB
  • After minification 271.1 kB
  • After compression 48.9 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 47.5 kB, which is 15% 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 269.6 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 170.0 kB

  • Original 4.5 MB
  • After minification 4.3 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. NVX images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 424 B

  • Original 375.3 kB
  • After minification 375.2 kB
  • After compression 374.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 290 B

  • Original 67.8 kB
  • After minification 67.8 kB
  • After compression 67.5 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. Nvx.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (21%)

Requests Now

70

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NVX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nvx.com

nvx.com

470 ms

preloads.js

preloads.js

51 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

36 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

35 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

32 ms

theme.css

theme.css

53 ms

countdown_timer_essential_apps.min.js

countdown_timer_essential_apps.min.js

45 ms

mr-embed-1.js

mr-embed-1.js

44 ms

shopify-perf-kit-unstable.min.js

shopify-perf-kit-unstable.min.js

35 ms

empire.js

empire.js

125 ms

ripple.css

ripple.css

109 ms

instantPage.min.js

instantPage.min.js

123 ms

salekit-v2.js

salekit-v2.js

123 ms

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

157 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

156 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

153 ms

NVX_Logo_Color_Mark_White_Text_856x175.png

NVX_Logo_Color_Mark_White_Text_856x175.png

110 ms

Converterss_1350x675.png

Converterss_1350x675.png

111 ms

Cameras_mosaic_1096x1096.png

Cameras_mosaic_1096x1096.png

109 ms

sddk12_1_edited_1350x1350.png

sddk12_1_edited_1350x1350.png

114 ms

Wiring_1350x675.png

Wiring_1350x675.png

172 ms

qbsta_700x700.jpg

qbsta_700x700.jpg

111 ms

qbsta_15_31dd2627-1cee-43d7-8819-0b7c80ea1c47_700x700.jpg

qbsta_15_31dd2627-1cee-43d7-8819-0b7c80ea1c47_700x700.jpg

915 ms

qbsta_18_700x700.jpg

qbsta_18_700x700.jpg

116 ms

qbsta_17_700x700.jpg

qbsta_17_700x700.jpg

969 ms

qbsta_19_1050x700.jpg

qbsta_19_1050x700.jpg

117 ms

qbsta_20_1050x700.jpg

qbsta_20_1050x700.jpg

114 ms

qbsta_13_700x700.jpg

qbsta_13_700x700.jpg

1086 ms

qbsta_1_700x700.jpg

qbsta_1_700x700.jpg

176 ms

qbsta_11_700x700.jpg

qbsta_11_700x700.jpg

176 ms

qbsta_5_700x700.jpg

qbsta_5_700x700.jpg

176 ms

qbsta_2_700x700.jpg

qbsta_2_700x700.jpg

977 ms

qbsta_14_700x700.jpg

qbsta_14_700x700.jpg

214 ms

qbsta_3_700x700.jpg

qbsta_3_700x700.jpg

197 ms

qbsta_4_700x700.jpg

qbsta_4_700x700.jpg

214 ms

qbsta_6_700x700.jpg

qbsta_6_700x700.jpg

234 ms

qbsta_7_700x700.jpg

qbsta_7_700x700.jpg

1123 ms

qbsta_8_700x700.jpg

qbsta_8_700x700.jpg

252 ms

qbsta_10_700x700.jpg

qbsta_10_700x700.jpg

274 ms

qbsta_9_9f800e61-1074-457e-8df1-cf1d99b8e526_700x700.jpg

qbsta_9_9f800e61-1074-457e-8df1-cf1d99b8e526_700x700.jpg

311 ms

qbsta_12_700x700.jpg

qbsta_12_700x700.jpg

355 ms

qbsta_75x75_crop_center.jpg

qbsta_75x75_crop_center.jpg

915 ms

qbsta_15_31dd2627-1cee-43d7-8819-0b7c80ea1c47_75x75_crop_center.jpg

qbsta_15_31dd2627-1cee-43d7-8819-0b7c80ea1c47_75x75_crop_center.jpg

961 ms

qbsta_18_75x75_crop_center.jpg

qbsta_18_75x75_crop_center.jpg

1737 ms

qbsta_17_75x75_crop_center.jpg

qbsta_17_75x75_crop_center.jpg

996 ms

qbsta_19_113x75_crop_center.jpg

qbsta_19_113x75_crop_center.jpg

1025 ms

helvetica_n4.8bddb85c18a0094c427a9bf65dee963ad88de4e8.woff

helvetica_n4.8bddb85c18a0094c427a9bf65dee963ad88de4e8.woff

995 ms

helvetica_n7.b95359461a6788d5549e702cb2123bc40c227e49.woff

helvetica_n7.b95359461a6788d5549e702cb2123bc40c227e49.woff

1009 ms

base.css

base.css

77 ms

helvetica_n9.4862c90300b0d3a24707a0b3bfee258cd6ae461f.woff

helvetica_n9.4862c90300b0d3a24707a0b3bfee258cd6ae461f.woff

948 ms

qbsta_20_113x75_crop_center.jpg

qbsta_20_113x75_crop_center.jpg

977 ms

qbsta_13_75x75_crop_center.jpg

qbsta_13_75x75_crop_center.jpg

961 ms

qbsta_1_75x75_crop_center.jpg

qbsta_1_75x75_crop_center.jpg

1013 ms

qbsta_11_75x75_crop_center.jpg

qbsta_11_75x75_crop_center.jpg

990 ms

qbsta_5_75x75_crop_center.jpg

qbsta_5_75x75_crop_center.jpg

986 ms

qbsta_2_75x75_crop_center.jpg

qbsta_2_75x75_crop_center.jpg

1061 ms

qbsta_14_75x75_crop_center.jpg

qbsta_14_75x75_crop_center.jpg

1002 ms

qbsta_3_75x75_crop_center.jpg

qbsta_3_75x75_crop_center.jpg

1605 ms

qbsta_4_75x75_crop_center.jpg

qbsta_4_75x75_crop_center.jpg

1014 ms

qbsta_6_75x75_crop_center.jpg

qbsta_6_75x75_crop_center.jpg

1022 ms

qbsta_7_75x75_crop_center.jpg

qbsta_7_75x75_crop_center.jpg

1066 ms

helvetica_o4.0063286aec443697ebae04eeb9c78b820f9f7805.woff

helvetica_o4.0063286aec443697ebae04eeb9c78b820f9f7805.woff

981 ms

helvetica_o7.b0a2026ae2aa64d060f9ce0ee1b3c3c1aa21bf88.woff

helvetica_o7.b0a2026ae2aa64d060f9ce0ee1b3c3c1aa21bf88.woff

1005 ms

helvetica_o9.7df193e829b33b5fb035e6b30c9c1ad282f5ccc0.woff

helvetica_o9.7df193e829b33b5fb035e6b30c9c1ad282f5ccc0.woff

1028 ms

qbsta_8_75x75_crop_center.jpg

qbsta_8_75x75_crop_center.jpg

1004 ms

qbsta_10_75x75_crop_center.jpg

qbsta_10_75x75_crop_center.jpg

1002 ms

qbsta_9_9f800e61-1074-457e-8df1-cf1d99b8e526_75x75_crop_center.jpg

qbsta_9_9f800e61-1074-457e-8df1-cf1d99b8e526_75x75_crop_center.jpg

990 ms

qbsta_12_75x75_crop_center.jpg

qbsta_12_75x75_crop_center.jpg

1028 ms

vsp65kit_400x400_crop_center.webp

vsp65kit_400x400_crop_center.webp

1010 ms

vad11005_400x400_crop_center.jpg

vad11005_400x400_crop_center.jpg

993 ms

vcw104_400x400_crop_center.webp

vcw104_400x400_crop_center.webp

975 ms

sound_deadening_400x400_crop_center.jpg

sound_deadening_400x400_crop_center.jpg

968 ms

xkit42_400x400_crop_center.webp

xkit42_400x400_crop_center.webp

1128 ms

fring65_ec522a91-6978-4407-b061-7633f42d8f6c_400x400_crop_center.jpg

fring65_ec522a91-6978-4407-b061-7633f42d8f6c_400x400_crop_center.jpg

363 ms

loader.js

loader.js

22 ms

nvx-audio.js

nvx-audio.js

45 ms

installed.js

installed.js

28 ms

Accessibility Review

nvx.com accessibility score

94

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

Links do not have a discernible name

Best Practices

nvx.com best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nvx.com 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

    EN

  • Encoding

    UTF-8

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

nvx.com

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