Access dc.acc.vn. Chuyên gia Trị liệu Thần kinh cột sống

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value30.0 s

0/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

dc.acc.vn

1108 ms

acc.vn

1952 ms

_dmca_premi_badge_1.png

133 ms

autoptimize_2c3c459104e45962f75de67c3e7b5a9c.js

269 ms

cropped-logo-acc-fv.png

802 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dc.acc.vn, 97% (65 requests) were made to Acc.vn and 1% (1 request) were made to Images.dmca.com. The less responsive or slowest element that took the longest time to load (8.5 sec) relates to the external source Acc.vn.

Content Size

3.4 MB

After Optimization

2.5 MB

In fact, the total size of Dc.acc.vn 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. 40% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 568.5 kB

Original 690.3 kB
After minification 688.4 kB
After compression 121.8 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 568.5 kB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 367.8 kB

Original 2.7 MB
After minification 2.4 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, Dc ACC needs image optimization as it can save up to 367.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 19 B

Original 3.3 kB
After minification 3.3 kB
After compression 3.3 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.

Requests Now

After Optimization

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dc ACC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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

Form elements do not have associated labels

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 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

VI
Language Claimed

EN
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dc.acc.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Dc.acc.vn main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

dc.acc.vn

Open Graph data is detected on the main page of Dc ACC. 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

Chuyên gia Trị liệu Thần kinh cột sống | Phòng khám ACC

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

dc.acc.vn

acc.vn

_dmca_premi_badge_1.png

autoptimize_2c3c459104e45962f75de67c3e7b5a9c.js

cropped-logo-acc-fv.png

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

dc.acc.vn

acc.vn

_dmca_premi_badge_1.png

autoptimize_2c3c459104e45962f75de67c3e7b5a9c.js

cropped-logo-acc-fv.png

logo-acc-fv.png

vi.png

en.png

ja.png

zh-hant.png

ko.png

fr.png

header-facebook-icon.png

header-youtube-icon.png

logo-section-box-contact.png

find-a-doctor.png

book-appointment.png

faq-question.png

image-bottom-box-contact.png

thoat-vi-dia-dem-1.jpg

thoai-hoa-cot-song-lung.jpg

dau-day-than-kinh-toa.jpg

dau-that-lung.jpg

dau-dau-goi-1.jpg

chung-ban-chan-bet-1.jpg

dr-hoisang.png

about-acc-desk.svg

Ngoc-Thuy.png

quote.svg

Vu-Thi-Thuong_2.png

Phan-Tung-Ngoc.png

Co-Thanh-Mai.png

Benh-nhan-Duong-Dang-Quyet.png

dieu-tri-dau-nhuc-xuong-khop-tai-acc.png

bai-tap-dau-vai-gay.jpg

video-homepage.png

tuoitre-online-logo.png

tuoitre.png

logo_thanhnien.png

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