Access didonghan.vn. Điện thoại xách tay Samsung - iPhone chính hãng cũ mới giá rẻ nhất tại HN

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.684

7/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

didonghan.vn

735 ms

didonghan.vn

1941 ms

jquery-1.9.1.min.js

464 ms

jquery.lazy.min.js

701 ms

owl.carousel.min.js

938 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 92% of them (56 requests) were addressed to the original Didonghan.vn, 7% (4 requests) were made to Maps.googleapis.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Didonghan.vn.

Content Size

3.1 MB

After Optimization

2.1 MB

In fact, the total size of Didonghan.vn main page is 3.1 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. 45% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 173.6 kB

Original 215.4 kB
After minification 211.0 kB
After compression 41.8 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 173.6 kB or 81% of the original size.

Image Optimization

-25%

Potential reduce by 618.9 kB

Original 2.5 MB
After minification 1.9 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, Didonghan needs image optimization as it can save up to 618.9 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 171.6 kB

Original 333.3 kB
After minification 333.3 kB
After compression 161.7 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 171.6 kB or 51% of the original size.

Requests Now

After Optimization

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Didonghan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts 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 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

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

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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 Didonghan.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 Didonghan.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

didonghan.vn

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

Điện thoại xách tay Samsung - iPhone chính hãng cũ mới giá rẻ nhất tại HN

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

didonghan.vn

didonghan.vn

jquery-1.9.1.min.js

jquery.lazy.min.js

owl.carousel.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

didonghan.vn

didonghan.vn

jquery-1.9.1.min.js

jquery.lazy.min.js

owl.carousel.min.js

slick.min.js

jquery.fancybox.min.js

logo_89fa1718-4073-4c06-8d2b-5d5bd49c6071.png

searchRes.png

698d2606-f086-4f43-93c1-ca3f10adb647.png.ashx

61efe6f2-c7bb-4fb3-b059-e02b25c46a4a.jpg.ashx

1126d3c3-9f6e-4d23-8f11-43a30d4e69ed.png.ashx

4b7316d8-9a1b-44b6-bdb6-611d8a76d239.png.ashx

6f3f633c-5833-4311-abbb-87c68d01f74e.png.ashx

1385a0f3-a80d-4bc2-ae2b-5f808f8ec635.png.ashx

9913bf29-99df-4995-929b-88dfe54fe641.png.ashx

c85dbab6-0d30-4032-ad07-e79510f6487f.png.ashx

2c81a919-a03d-4b3e-b392-2bbb180e411e.jfif.ashx

e79790fb-9a65-4539-a5d0-f2f1d5f0a4e8.png.ashx

112f0c5d-bf5e-4413-a0f2-ff1e53411cc2.png.ashx

menu1_b24765bf-f1c0-4166-99e2-a7f4749b1122.png

menu2_3bd4d276-1fc3-48a3-9acb-88b3d62c2522.png

menu3_ce325909-e468-400b-aff9-dcc558320ac6.png

menu4_2e8904da-258b-4e3e-a507-57f6ddade3a7.png

menu5_23e3fd35-238c-4825-8022-c1b886b2716f.png

menu6_8f1660c6-be7f-467e-bea6-03c303471f65.png

menu7_55619fcb-0613-4b00-bc43-05142615a502.png

btnCart.png

afterNewsCate.png

Background_v2_pc.jpg

Icon_Flash_Sale.png

btnCartInItem.png

afterCate.png

embed

plug1.png

plug2.png

plug3.png

tik-tok.png

fa-solid-900.woff

js

geometry.js

search.js

main.js

fa-regular-400.woff