Access thegioivantay.com.

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value920 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.682

8/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

thegioivantay.com.vn

1467 ms

jquery-ui.css

241 ms

bootstrap.min.css

484 ms

bootstrap-chosen.css

700 ms

bootstrap-datepicker.min.css

712 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Thegioivantay.com, 4% (5 requests) were made to Connect.facebook.net and 3% (3 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Thegioivantay.com.vn.

Content Size

2.6 MB

After Optimization

2.1 MB

In fact, the total size of Thegioivantay.com main page is 2.6 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. 75% 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 148.4 kB

Original 170.4 kB
After minification 138.8 kB
After compression 22.0 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 31.6 kB, which is 19% 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 148.4 kB or 87% of the original size.

Image Optimization

-16%

Potential reduce by 311.6 kB

Original 2.0 MB
After minification 1.6 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, Thegioivantay needs image optimization as it can save up to 311.6 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 10.0 kB

Original 336.9 kB
After minification 336.8 kB
After compression 326.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-28%

Potential reduce by 42.0 kB

Original 149.9 kB
After minification 143.9 kB
After compression 107.9 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. Thegioivantay.com needs all CSS files to be minified and compressed as it can save up to 42.0 kB or 28% of the original size.

Requests Now

109

After Optimization

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thegioivantay. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

<html> element does not have a valid value for its [lang] attribute.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

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

High

Document doesn't have a valid hreflang

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

N/A
Language Claimed

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thegioivantay.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Vietnamese. Our system also found out that Thegioivantay.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

thegioivantay.com

Open Graph data is detected on the main page of Thegioivantay. 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

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

thegioivantay.com.vn

jquery-ui.css

bootstrap.min.css

bootstrap-chosen.css

bootstrap-datepicker.min.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

thegioivantay.com.vn

jquery-ui.css

bootstrap.min.css

bootstrap-chosen.css

bootstrap-datepicker.min.css

owl.carousel.css

jquery.gritter.min.css

style-menu.css

fonts_vnsitecss.css

main.css

main2.css

style-theme.css

font-awesome.css

fontello.css

page.css

css_custom.css

jquery.2.1.1.min.js

jquery-ui.js

bootstrap.min.js

chosen.jquery.min.js

bootstrap-dialog.min.js

bootstrap-datepicker.min.js

owl.carousel.min.js

jquery.session.js

jquery.gritter.min.js

draggable-0.1.js

light.js

jquery.elevatezoom.js

jquery.validate.min.js

main.js

style-menu.js

jquery.dependClass-0.1.js

member.js

product.js

cart.js

page.js

api:client.js

js_custom.js

css

gtm.js

fbevents.js

sdk.js

cb=gapi.loaded_0

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