Access dha.blogtiengviet.net.

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,970 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

dha.blogtiengviet.net

2644 ms

jsapi

70 ms

jquery.min.js

97 ms

jquery-ui.css

52 ms

jquery-ui.min.js

113 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 54% of them (58 requests) were addressed to the original Dha.blogtiengviet.net, 34% (37 requests) were made to Blogtiengviet.net and 3% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (7 sec) relates to the external source Blogtiengviet.net.

Content Size

3.4 MB

After Optimization

3.1 MB

In fact, the total size of Dha.blogtiengviet.net main page is 3.4 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. 65% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 65.5 kB

Original 79.2 kB
After minification 69.2 kB
After compression 13.7 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 10.0 kB, which is 13% 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 65.5 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 146.9 kB

Original 3.1 MB
After minification 3.0 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. Dha Blogtiengviet images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 153.8 kB

Original 219.2 kB
After minification 172.9 kB
After compression 65.4 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 153.8 kB or 70% of the original size.

CSS Optimization

-68%

Potential reduce by 12.9 kB

Original 19.0 kB
After minification 14.4 kB
After compression 6.0 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. Dha.blogtiengviet.net needs all CSS files to be minified and compressed as it can save up to 12.9 kB or 68% of the original size.

Requests Now

105

After Optimization

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dha 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 16 to 1 for JavaScripts and from 10 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

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

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 Dha.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 Dha.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

dha.blogtiengviet.net

Open Graph description is not detected on the main page of Dha 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

dha.blogtiengviet.net

jsapi

jquery.min.js

jquery-ui.css

jquery-ui.min.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

dha.blogtiengviet.net

jsapi

jquery.min.js

jquery-ui.css

jquery-ui.min.js

jquery.corner.js

functions.js

evoextra.js

smiles.js

plusone.js

js.js

democracy.css

starrating.js

stars.css

main.css

galleria-1.2.8.min.js

brand

brand

jquery.icolor.min.js

cb=gapi.loaded_0

ga.js

__utm.gif

basic.css

img.css

blog_elements.css

forms.css

comments.css

online

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