Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

onbarcode.com

OnBarcode - Complete barcode solutions for .net, Java, iOS, Android platforms.

Page Load Speed

820 ms in total

First Response

80 ms

Resources Loaded

554 ms

Page Rendered

186 ms

onbarcode.com screenshot

About Website

Click here to check amazing On Barcode content for Turkey. Otherwise, check out these important facts you probably never knew about onbarcode.com

Barcode Generator & Reader for Java, .NET, C#, ASP.NET, VB.NET, Android, IPhone projects by OnBarcode

Visit onbarcode.com

Key Findings

We analyzed Onbarcode.com page load time and found that the first response time was 80 ms and then it took 740 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

onbarcode.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.246

50/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

onbarcode.com

80 ms

www.onbarcode.com

125 ms

main2.css

68 ms

ga.js

28 ms

header-bg.jpg

62 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original Onbarcode.com, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (287 ms) belongs to the original domain Onbarcode.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.7 kB (61%)

Content Size

108.9 kB

After Optimization

42.2 kB

In fact, the total size of Onbarcode.com main page is 108.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. HTML takes 40.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 34.6 kB

  • Original 40.4 kB
  • After minification 28.9 kB
  • After compression 5.8 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 11.5 kB, which is 29% 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 34.6 kB or 86% of the original size.

Image Optimization

-23%

Potential reduce by 4.4 kB

  • Original 19.0 kB
  • After minification 14.6 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. Obviously, On Barcode needs image optimization as it can save up to 4.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-86%

Potential reduce by 27.7 kB

  • Original 32.4 kB
  • After minification 21.2 kB
  • After compression 4.7 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. Onbarcode.com needs all CSS files to be minified and compressed as it can save up to 27.7 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of On Barcode. According to our analytics all requests are already optimized.

Accessibility Review

onbarcode.com accessibility score

67

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

onbarcode.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

SEO Factors

onbarcode.com SEO score

62

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

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

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