Access rongbay.com. Rao vặt toàn quốc, thông tin rao vặt miễn phí

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%

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.

Content Size

1.4 MB

After Optimization

797.2 kB

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 Now

113

After Optimization

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.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

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

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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

rongbay.com

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

rongbay.com

service.css

tooltip.css

Common.css

tooltip.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

rongbay.com

service.css

tooltip.css

Common.css

tooltip.css

ui.datepicker.css

jquery.autocomplete.css

thumbnailviewer.css

jquery.lightbox.css

style.css

style.css

header_new.min.css

list_item.css

font-awesome.css

HomePage.css

LandingCar.css

modal.v1.css

popupDetail.css

jquery.1.10.2.min.js

library.min.js

rb_lib.min.js

global_lib.js

jquery.blockUI.js

header.min.js

tooltip.js

service.min.js

gold.min.js

cartGold.min.js

log_recommend.js

jquery.jcache.js

jquery.cookie.js

footer.js

jquery.pack.js

ui.datepicker.js

library.js

boxdropdown.js

cities.js

common.js

ming.js

vietid_core.js

arf-jfjj64y5.min.js

jquery-1.9.1.min.js

jquery.menu-aim.min.js