Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

onepay.vn

OnePay | Giải pháp thanh toán hiện đại cho kinh doanh của bạn

Page Load Speed

48 sec in total

First Response

1.2 sec

Resources Loaded

30.1 sec

Page Rendered

16.8 sec

onepay.vn screenshot

About Website

Welcome to onepay.vn homepage info - get ready to check One Pay best content for Vietnam right away, or after learning these important things about onepay.vn

Cung cấp đa dạng các phương thức thanh toán cho khách hàng của bạn.

Visit onepay.vn

Key Findings

We analyzed Onepay.vn page load time and found that the first response time was 1.2 sec and then it took 46.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 5 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

onepay.vn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

onepay.vn

1181 ms

onepay.com.vn

955 ms

system.css

580 ms

general.css

580 ms

font-opensans.css

565 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Onepay.vn, 91% (41 requests) were made to Onepay.com.vn and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Onepay.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 411.1 kB (18%)

Content Size

2.3 MB

After Optimization

1.9 MB

In fact, the total size of Onepay.vn main page is 2.3 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. 50% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 26.4 kB

  • Original 32.4 kB
  • After minification 26.7 kB
  • After compression 6.0 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. This page needs HTML code to be minified as it can gain 5.8 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 26.4 kB or 82% of the original size.

Image Optimization

-12%

Potential reduce by 246.6 kB

  • Original 2.1 MB
  • After minification 1.8 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. Obviously, One Pay needs image optimization as it can save up to 246.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 85.9 kB

  • Original 149.8 kB
  • After minification 148.9 kB
  • After compression 64.0 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 85.9 kB or 57% of the original size.

CSS Optimization

-80%

Potential reduce by 52.2 kB

  • Original 65.2 kB
  • After minification 56.5 kB
  • After compression 13.0 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. Onepay.vn needs all CSS files to be minified and compressed as it can save up to 52.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (13%)

Requests Now

32

After Optimization

28

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of One Pay. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

onepay.vn accessibility score

86

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

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.

Best Practices

onepay.vn 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

SEO Factors

onepay.vn SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onepay.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Onepay.vn 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 data is detected on the main page of One Pay. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: