Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

rongbay.com

Rao vặt toàn quốc, thông tin rao vặt miễn phí | Rongbay.com

Page Load Speed

9.8 sec in total

First Response

2 sec

Resources Loaded

7.6 sec

Page Rendered

149 ms

About Website

Visit rongbay.com now to see the best up-to-date Rongbay content for Vietnam and also check out these interesting facts you probably never knew about rongbay.com

Rao vặt toàn quốc - Trang thông tin rao vặt miễn phí toàn quốc không cần đăng ký.

Visit rongbay.com

Key Findings

We analyzed Rongbay.com page load time and found that the first response time was 2 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

rongbay.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value1,760 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

rongbay.com

2044 ms

service.css

1145 ms

tooltip.css

1163 ms

Common.css

1700 ms

tooltip.css

1188 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 26% of them (31 requests) were addressed to the original Rongbay.com, 59% (69 requests) were made to Static16.rongbaycdn.com and 5% (6 requests) were made to Media1.admicro.vn. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Static16.rongbaycdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 581.4 kB (42%)

Content Size

1.4 MB

After Optimization

797.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rongbay.com main page is 1.4 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. Javascripts take 450.5 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 345.9 kB

  • Original 384.7 kB
  • After minification 192.4 kB
  • After compression 38.7 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 192.2 kB, which is 50% 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 345.9 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 3.8 kB

  • Original 286.4 kB
  • After minification 282.6 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. Rongbay images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 105.6 kB

  • Original 450.5 kB
  • After minification 450.5 kB
  • After compression 344.9 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 105.6 kB or 23% of the original size.

CSS Optimization

-49%

Potential reduce by 126.0 kB

  • Original 257.0 kB
  • After minification 240.7 kB
  • After compression 131.1 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. Rongbay.com needs all CSS files to be minified and compressed as it can save up to 126.0 kB or 49% of the original size.

Requests Breakdown

Number of requests can be reduced by 90 (80%)

Requests Now

113

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rongbay. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rongbay.com accessibility score

49

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

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

rongbay.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rongbay.com SEO score

85

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

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