Access tapdanhmay.com. Tập đánh máy - Luyện tập kỹ năng đánh máy, gõ phím bằng 10 ngón

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value3,780 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

tapdanhmay.com

767 ms

style.css

487 ms

trangnhat.js

551 ms

mobile.js

507 ms

plusone.js

63 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 72% of them (72 requests) were addressed to the original Tapdanhmay.com, 8% (8 requests) were made to Apis.google.com and 3% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Tapdanhmay.com.

Content Size

2.6 MB

After Optimization

1.5 MB

In fact, the total size of Tapdanhmay.com main page is 2.6 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. 55% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 19.7 kB

Original 25.6 kB
After minification 24.0 kB
After compression 5.9 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. 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 19.7 kB or 77% of the original size.

Image Optimization

-41%

Potential reduce by 1.0 MB

Original 2.5 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. Obviously, Tapdanhmay needs image optimization as it can save up to 1.0 MB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-32%

Potential reduce by 17.4 kB

Original 53.7 kB
After minification 53.5 kB
After compression 36.3 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 17.4 kB or 32% of the original size.

CSS Optimization

-79%

Potential reduce by 15.0 kB

Original 18.9 kB
After minification 14.2 kB
After compression 3.9 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. Tapdanhmay.com needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tapdanhmay. 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 as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

These items highlight common accessibility best practices.

High

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

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

Language and Encoding

Language Detected

VI
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tapdanhmay.com 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 Tapdanhmay.com 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

tapdanhmay.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Tập đánh máy - Luyện tập kỹ năng đánh máy, gõ phím bằng 10 ngón

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

tapdanhmay.com

style.css

trangnhat.js

mobile.js

plusone.js

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

tapdanhmay.com

style.css

trangnhat.js

mobile.js

plusone.js

stylef9.css

taigame.gif

bg32.jpg

head-bg.gif

pattern.png

logo.png

menu-bg.gif

medal.png

rocket-fly.png

game.png

direction.png

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