Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

support.acc.vn

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

Page Load Speed

19.1 sec in total

First Response

792 ms

Resources Loaded

17.3 sec

Page Rendered

957 ms

support.acc.vn screenshot

About Website

Welcome to support.acc.vn homepage info - get ready to check Support ACC best content for Vietnam right away, or after learning these important things about support.acc.vn

Phòng khám ACC tiên phong ứng dụng Chiropractic trong điều trị các bệnh cơ xương khớp và chữa đau tận gốc, với 4 cơ sở tại TP. Hồ Chí Minh, Đà Nẵng và Hà Nội.

Visit support.acc.vn

Key Findings

We analyzed Support.acc.vn page load time and found that the first response time was 792 ms and then it took 18.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

support.acc.vn performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value31.8 s

0/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

support.acc.vn

792 ms

acc.vn

1917 ms

_dmca_premi_badge_1.png

107 ms

autoptimize_2c3c459104e45962f75de67c3e7b5a9c.js

269 ms

cropped-logo-acc-fv.png

791 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 Support.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 (14.4 sec) relates to the external source Acc.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 936.2 kB (27%)

Content Size

3.4 MB

After Optimization

2.5 MB

In fact, the total size of Support.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, Support 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 Breakdown

Number of requests can be reduced by 10 (17%)

Requests Now

59

After Optimization

49

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Support 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 Review

support.acc.vn accessibility score

68

Accessibility Issues

Names and labels

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.

Impact

Issue

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

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

support.acc.vn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

support.acc.vn SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

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 Support.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 Support.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

Open Graph data is detected on the main page of Support ACC. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: