Access kientanh.blogtiengviet.net.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value530 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

kientanh.blogtiengviet.net

1604 ms

style.css

2702 ms

jquery.min.js

90 ms

jquery.corner.js

3262 ms

show_ads.js

11 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 14% of them (12 requests) were addressed to the original Kientanh.blogtiengviet.net, 37% (31 requests) were made to Blogtiengviet.net and 7% (6 requests) were made to Thumbnail.image.rakuten.co.jp. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Blogtiengviet.net.

Content Size

754.6 kB

After Optimization

380.5 kB

In fact, the total size of Kientanh.blogtiengviet.net main page is 754.6 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. 50% of websites need less resources to load. Javascripts take 270.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 82.0 kB

Original 108.2 kB
After minification 97.6 kB
After compression 26.2 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 82.0 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 5.5 kB

Original 247.8 kB
After minification 242.3 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. Kientanh Blogtiengviet images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 168.8 kB

Original 270.4 kB
After minification 256.2 kB
After compression 101.6 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 168.8 kB or 62% of the original size.

CSS Optimization

-92%

Potential reduce by 117.9 kB

Original 128.2 kB
After minification 124.5 kB
After compression 10.3 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. Kientanh.blogtiengviet.net needs all CSS files to be minified and compressed as it can save up to 117.9 kB or 92% of the original size.

Requests Now

After Optimization

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kientanh Blogtiengviet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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-*] attributes do not match their roles

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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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>).

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.

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

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

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 Kientanh.blogtiengviet.net 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 Kientanh.blogtiengviet.net 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

kientanh.blogtiengviet.net

Open Graph description is not detected on the main page of Kientanh Blogtiengviet. 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

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

kientanh.blogtiengviet.net

style.css

jquery.min.js

jquery.corner.js

show_ads.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

kientanh.blogtiengviet.net

style.css

jquery.min.js

jquery.corner.js

show_ads.js

brand

brand

prettify-jPlayer.css

jplayer.pink.flag.css

jquery.jplayer.min.js

jplayer.playlist.min.js

jquery.jplayer.inspector.js

multiplayer.js

backmusic.js

rakuten_widget.js

ajax.js

bullet.gif

ga.js

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CHUTHUHANG2013P.jpg

0.gif

B2733_A33335_TGet_ADVTrue.aspx

daihiep5.jpg

0899AAAAA.JPG

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AnhCHUBUT7.JPG

tanchau.JPG

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