Access giasudaykem.com.vn. Trung Tâm Gia Sư Dạy Kèm Uy Tín Gia Sư Tài Năng Việt

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%

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.

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

-3%

Potential reduce by 4.7 kB

Original 161.4 kB
After minification 161.3 kB
After compression 156.7 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.

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 Now

108

After Optimization

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 Issues

These are opportunities to improve the legibility of your content.

High

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

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

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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

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

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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

giasudaykem.com.vn

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

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

giasudaykem.com.vn

font-awesome.min.css

global.css

all.min.css

ddsmoothmenu.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

giasudaykem.com.vn

font-awesome.min.css

global.css

all.min.css

ddsmoothmenu.css

backTop.css

java.php

cssnew.css

styles_menu.css

load.js

library.js

responsive.css

layouts.css

aui.js

js

conversion.js

css-queries.css

jquery-1.10.0.min.js

idangerous.swiper.min.js

frame_script.js

jquery-1.7.1.min.js

select2.min.css

select2.min.js

fontello.css

flexslider.css

flexslider.min.js

jquery.fancybox.pack.js

chosen.jquery.min.js

jquery.jdpicker.js

jdpicker.css

aui.js

jcarause.js

ddaccordion.js

jcarousellite_1.0.1c4.js

jquery.backTop.min.js

analytics.js

fbevents.js

gtm.js

BG1200.png

trung-tam-gia-su840.jpg

tc_right.png

bantay.gif

dang-ky-tim-gia-su.jpg