Access fast500.vn. FAST500 - Bảng xếp hạng Top 500 Doanh nghiệp tăng trưởng nhanh nhất Việt Nam

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value21.6 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value1,710 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

fast500.vn

1099 ms

jquery-1.11.2.min.js

797 ms

style.css

527 ms

index.js

533 ms

normalize.css

532 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 36% of them (39 requests) were addressed to the original Fast500.vn, 47% (50 requests) were made to Cms.vietnamreport.net and 7% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (5.3 sec) relates to the external source Cms.vietnamreport.net.

Content Size

30.5 MB

After Optimization

28.1 MB

In fact, the total size of Fast500.vn main page is 30.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 29.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 115.8 kB

Original 134.4 kB
After minification 94.9 kB
After compression 18.6 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 39.5 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 115.8 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 2.1 MB

Original 29.8 MB
After minification 27.7 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. FAST500 images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 159.6 kB

Original 508.6 kB
After minification 485.0 kB
After compression 349.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 159.6 kB or 31% of the original size.

CSS Optimization

-16%

Potential reduce by 18.7 kB

Original 119.7 kB
After minification 119.6 kB
After compression 101.0 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. Fast500.vn needs all CSS files to be minified and compressed as it can save up to 18.7 kB or 16% of the original size.

Requests Now

103

After Optimization

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FAST500. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 15 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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fast500.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Fast500.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

fast500.vn

Open Graph description is not detected on the main page of FAST500. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

FAST500 - Bảng xếp hạng Top 500 Doanh nghiệp tăng trưởng nhanh nhất Việt Nam

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

fast500.vn

jquery-1.11.2.min.js

style.css

index.js

normalize.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

fast500.vn

jquery-1.11.2.min.js

style.css

index.js

normalize.css

bootstrap.min.css

flexslider.css

owl.carousel.css

owl.theme.css

font-awesome.min.css

style.css

FrontEndJS.js

js

adsbygoogle.js

jquery.bxslider.css

jquery.bxslider.js

element.js

swfobject.js

jquery.msg.css

jquery.center.min.js

jquery.msg.js

jquery.dataTables.css

jquery.dataTables.js

h3c-constants.js

h3c-helper.js

jquery.msgBox.js

msgBoxLight.css

bootstrap.min.js

jquery.flexslider.js

owl.carousel.min.js

jquery.dm-uploader.min.css

styles.css

jquery.dm-uploader.min.js

uploader-ui.js

logofast.png

photo.jpg

1_LogoVNR_headerVNR500.png

1_LogoVietnamnet_headerVNR500.png

20240712164745Banner_Kiem_chung_Profit500_2024.jpg

20240805155111Banner_KC_Top10_TP-DU_2024.png

20240805155116Banner_KC_Top10_BanLe_2024.png

20240805155122Banner_KC_Top10_Baobi_2024.png

20240808155112Banner_KC_Top10_TaiChinh_2024.png