Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

hoidau.vn

HOIDAU.VN - Chữa, Trị, Chống Hói Đầu, Rụng Tóc Nhanh Hiệu Quả

Page Load Speed

3 sec in total

First Response

277 ms

Resources Loaded

2.5 sec

Page Rendered

232 ms

hoidau.vn screenshot

About Website

Click here to check amazing HOIDAU content for Vietnam. Otherwise, check out these important facts you probably never knew about hoidau.vn

Cung cấp những sản phẩm chữa chống trị hói đầu, rụng tóc hiệu quả cao và nhanh nhất như lược laser hakiba,lược kích thích mọc tóc số 1 Nhật Bản. Tất cả sản phẩm của chúng tôi là hàng chính hãng đến từ...

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Key Findings

We analyzed Hoidau.vn page load time and found that the first response time was 277 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

hoidau.vn performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value2,790 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.436

21/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

hoidau.vn

277 ms

www.hoidau.vn

725 ms

3566091532-css_bundle_v2.css

27 ms

css

26 ms

font-awesome.min.css

19 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 8% of them (6 requests) were addressed to the original Hoidau.vn, 16% (12 requests) were made to Blogger.googleusercontent.com and 9% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Bietduoc.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.4 kB (21%)

Content Size

1.0 MB

After Optimization

830.3 kB

In fact, the total size of Hoidau.vn main page is 1.0 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. 70% of websites need less resources to load. Javascripts take 565.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 127.6 kB

  • Original 161.7 kB
  • After minification 160.8 kB
  • After compression 34.1 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 127.6 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 11.1 kB

  • Original 250.9 kB
  • After minification 239.8 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. HOIDAU images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 76.7 kB

  • Original 565.8 kB
  • After minification 563.8 kB
  • After compression 489.1 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 76.7 kB or 14% of the original size.

CSS Optimization

-0%

Potential reduce by 2 B

  • Original 67.3 kB
  • After minification 67.3 kB
  • After compression 67.3 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. Hoidau.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (37%)

Requests Now

62

After Optimization

39

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HOIDAU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hoidau.vn accessibility score

36

Accessibility Issues

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

hoidau.vn best practices score

58

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

hoidau.vn SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hoidau.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Hoidau.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

Open Graph description is not detected on the main page of HOIDAU. 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: