Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

barcodescannermodule.com

Quality Barcode Scanner Module & 2D Barcode Scanner Module factory from China

Page Load Speed

1.5 sec in total

First Response

73 ms

Resources Loaded

1.1 sec

Page Rendered

315 ms

About Website

Visit barcodescannermodule.com now to see the best up-to-date Barcode Scanner Module content and also check out these interesting facts you probably never knew about barcodescannermodule.com

China leading provider of Barcode Scanner Module and 2D Barcode Scanner Module, Shenzhen Rakinda Technology Development Co., Ltd. is 2D Barcode Scanner Module factory.

Visit barcodescannermodule.com

Key Findings

We analyzed Barcodescannermodule.com page load time and found that the first response time was 73 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

barcodescannermodule.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.296

40/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

barcodescannermodule.com

73 ms

www.barcodescannermodule.com

178 ms

www.barcodescannermodule.com

65 ms

jquery.js

131 ms

www.barcodescannermodule.com

163 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 64% of them (27 requests) were addressed to the original Barcodescannermodule.com, 31% (13 requests) were made to Embed.tawk.to and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (465 ms) belongs to the original domain Barcodescannermodule.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 200.4 kB (8%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Barcodescannermodule.com main page is 2.5 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. 25% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 148.8 kB

  • Original 173.3 kB
  • After minification 142.9 kB
  • After compression 24.6 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 30.4 kB, which is 18% 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 148.8 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 2.9 kB

  • Original 2.0 MB
  • After minification 2.0 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. Barcode Scanner Module images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 42.1 kB

  • Original 319.8 kB
  • After minification 319.8 kB
  • After compression 277.6 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 42.1 kB or 13% of the original size.

CSS Optimization

-15%

Potential reduce by 6.6 kB

  • Original 44.2 kB
  • After minification 44.2 kB
  • After compression 37.6 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. Barcodescannermodule.com needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (46%)

Requests Now

37

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Barcode Scanner Module. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

barcodescannermodule.com 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.

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

barcodescannermodule.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

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

SEO Factors

barcodescannermodule.com SEO score

92

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

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 Barcodescannermodule.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 Barcodescannermodule.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

Open Graph description is not detected on the main page of Barcode Scanner Module. 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: