Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 78

    SEO

    Google-friendlier than
    40% of websites

giasubaochau.net

Gia sư tại Trung tâm gia sư uy tín chất lượng số 1 Việt Nam

Page Load Speed

8 sec in total

First Response

2 sec

Resources Loaded

5.7 sec

Page Rendered

335 ms

giasubaochau.net screenshot

About Website

Welcome to giasubaochau.net homepage info - get ready to check Gia Subaochau best content for Vietnam right away, or after learning these important things about giasubaochau.net

Trung tâm gia sư sư phạm uy tín chất lượng. Tìm nhanh giáo viên, sinh viên nhiều năm kinh nghiệm, truyền đạt dễ hiểu, đã dạy là chắc chắn giỏi tại Hà Nội, Hồ Chí Minh, Đà Nẵng... Chuyên trị học sinh m...

Visit giasubaochau.net

Key Findings

We analyzed Giasubaochau.net page load time and found that the first response time was 2 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

giasubaochau.net performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.606

10/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

giasubaochau.net

1998 ms

jquery.min.js

1645 ms

3f5e3ee8e739473c2368ad5259fb46dc1450067657.js

476 ms

e95c259287d50334ba7a9fef18e87c601452997074.js

475 ms

bootstrap.min.css

1288 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 74% of them (29 requests) were addressed to the original Giasubaochau.net, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Static-v.tawk.to. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Giasubaochau.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 812.3 kB (70%)

Content Size

1.2 MB

After Optimization

352.1 kB

In fact, the total size of Giasubaochau.net main page is 1.2 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. 25% of websites need less resources to load. Javascripts take 854.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 58.0 kB

  • Original 68.7 kB
  • After minification 68.6 kB
  • After compression 10.7 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 58.0 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 3.8 kB

  • Original 84.9 kB
  • After minification 81.0 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. Gia Subaochau images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 623.5 kB

  • Original 854.8 kB
  • After minification 854.8 kB
  • After compression 231.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 623.5 kB or 73% of the original size.

CSS Optimization

-81%

Potential reduce by 126.9 kB

  • Original 156.0 kB
  • After minification 155.7 kB
  • After compression 29.1 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. Giasubaochau.net needs all CSS files to be minified and compressed as it can save up to 126.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (56%)

Requests Now

34

After Optimization

15

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gia Subaochau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

giasubaochau.net accessibility score

80

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

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

High

Image elements do not have [alt] attributes

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.

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

giasubaochau.net best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

giasubaochau.net SEO score

78

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 Giasubaochau.net 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 Giasubaochau.net 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 Gia Subaochau. 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: