Access taibkav.tin.vn.

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value4,180 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value20.9 s

2/100

10%

taibkav.tin.vn

1039 ms

ga.js

7 ms

default.css

905 ms

widget.css

980 ms

util.js

1065 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Taibkav.tin.vn, 29% (23 requests) were made to Static.xx.fbcdn.net and 28% (22 requests) were made to Web.tin.vn. The less responsive or slowest element that took the longest time to load (11.9 sec) relates to the external source Web.tin.vn.

Content Size

436.4 kB

After Optimization

310.8 kB

In fact, the total size of Taibkav.tin.vn main page is 436.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 270.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 26.4 kB

Original 36.4 kB
After minification 36.1 kB
After compression 10.0 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. HTML code on this page is well minified. 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 73% of the original size.

Image Optimization

-10%

Potential reduce by 28.4 kB

Original 270.6 kB
After minification 242.2 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. Taibkav Tin images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 48.1 kB

Original 101.2 kB
After minification 101.2 kB
After compression 53.0 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 48.1 kB or 48% of the original size.

CSS Optimization

-80%

Potential reduce by 22.7 kB

Original 28.3 kB
After minification 21.6 kB
After compression 5.6 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. Taibkav.tin.vn needs all CSS files to be minified and compressed as it can save up to 22.7 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Taibkav Tin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 7 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

Heading elements are not in a sequentially-descending order

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

High

robots.txt is not valid

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

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 Taibkav.tin.vn 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 Taibkav.tin.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

taibkav.tin.vn

Open Graph data is detected on the main page of Taibkav Tin. 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

taibkav.tin.vn

ga.js

default.css

widget.css

util.js

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

taibkav.tin.vn

ga.js

default.css

widget.css

util.js

slide_ads1.js

all.js

jquery.js

hoverIntent.js

superfish.js

menu.css

fixCss.js

__utm.gif

analytics.js

online

logo-tin.png

blog.png

elearning.png

bkav-2013_1.jpg

menu-alt-32.png

home.png

Tai-Bkav01.jpg

Tai-Bkav02(1).jpg

Tai-Bkav03.jpg

mua-hang-phan-mem-diet-virus-tot-nhat-2013.jpg

tai-bkav(1).gif

chatbutton_32px.png

plusone.js

collect

xd_arbiter.php

xd_arbiter.php

cb=gapi.loaded_0

cb=gapi.loaded_1

fastbutton

postmessageRelay

cb=gapi.loaded_0

cb=gapi.loaded_1

3193398744-postmessagerelay.js

rpc:shindig_random.js

cb=gapi.loaded_0

W5F8_SL0XFawnjxHGsZjJA.ttf

tags.gif

js15_as.js

comments.php