Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

giasudaykem.com.vn

Trung Tâm Gia Sư Dạy Kèm Uy Tín Gia Sư Tài Năng Việt

Page Load Speed

9.7 sec in total

First Response

1.3 sec

Resources Loaded

7.8 sec

Page Rendered

547 ms

giasudaykem.com.vn screenshot

About Website

Visit giasudaykem.com.vn now to see the best up-to-date Gia Sudaykem content for Vietnam and also check out these interesting facts you probably never knew about giasudaykem.com.vn

Trung tâm Gia sư dạy kèm tại nhà Tài Năng Việt Chuyên nhận dạy kèm từ lớp 1 đến lop81 12 , Gia sư giỏi , uy tín Miễn Phí dạy thử 3b, Cam kết tiến bộ trong 10 buổi

Visit giasudaykem.com.vn

Key Findings

We analyzed Giasudaykem.com.vn page load time and found that the first response time was 1.3 sec and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

giasudaykem.com.vn performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

giasudaykem.com.vn

1325 ms

font-awesome.min.css

475 ms

global.css

479 ms

all.min.css

39 ms

ddsmoothmenu.css

481 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 73% of them (82 requests) were addressed to the original Giasudaykem.com.vn, 8% (9 requests) were made to Static.xx.fbcdn.net and 4% (5 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Giasudaykem.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 332.1 kB (16%)

Content Size

2.1 MB

After Optimization

1.8 MB

In fact, the total size of Giasudaykem.com.vn main page is 2.1 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 193.8 kB

  • Original 224.7 kB
  • After minification 194.9 kB
  • After compression 30.9 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 29.8 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 193.8 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 59.9 kB

  • Original 1.6 MB
  • After minification 1.5 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. Gia Sudaykem images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 36.6 kB

  • Original 193.5 kB
  • After minification 193.4 kB
  • After compression 156.8 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 36.6 kB or 19% of the original size.

CSS Optimization

-45%

Potential reduce by 41.9 kB

  • Original 92.0 kB
  • After minification 52.0 kB
  • After compression 50.2 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. Giasudaykem.com.vn needs all CSS files to be minified and compressed as it can save up to 41.9 kB or 45% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (55%)

Requests Now

108

After Optimization

49

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gia Sudaykem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

giasudaykem.com.vn accessibility score

64

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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>).

Best Practices

giasudaykem.com.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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

giasudaykem.com.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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Giasudaykem.com.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 Giasudaykem.com.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 data is detected on the main page of Gia Sudaykem. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: