Access davinci.edu.vn. Da Vinci Academy – Viện thực hành đầu tư tài chính – Ai cũng có thể đầu tư thành công nếu được đào t...

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value15.9 s

0/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

davinci.edu.vn

2118 ms

wp-emoji-release.min.js

510 ms

animations.css

545 ms

shortcodes.css

853 ms

animations.css

555 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 74% of them (87 requests) were addressed to the original Davinci.edu.vn, 4% (5 requests) were made to Fonts.googleapis.com and 3% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Davinci.edu.vn.

Content Size

3.2 MB

After Optimization

1.2 MB

In fact, the total size of Davinci.edu.vn main page is 3.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 62.4 kB

Original 80.5 kB
After minification 77.7 kB
After compression 18.1 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 62.4 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 15.7 kB

Original 639.2 kB
After minification 623.6 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. Da Vinci images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 969.9 kB

Original 1.4 MB
After minification 1.3 MB
After compression 391.5 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 969.9 kB or 71% of the original size.

CSS Optimization

-82%

Potential reduce by 886.5 kB

Original 1.1 MB
After minification 956.8 kB
After compression 192.4 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. Davinci.edu.vn needs all CSS files to be minified and compressed as it can save up to 886.5 kB or 82% of the original size.

Requests Now

110

After Optimization

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Da Vinci. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

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>).

High

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

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

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

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Davinci.edu.vn 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 Davinci.edu.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

davinci.edu.vn

Open Graph data is detected on the main page of Da Vinci. 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

Da Vinci Academy – Viện thực hành đầu tư tài chính – Ai cũng có thể đầu tư thành công nếu được đào tạo đúng cách

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

davinci.edu.vn

wp-emoji-release.min.js

animations.css

shortcodes.css

animations.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

davinci.edu.vn

wp-emoji-release.min.js

animations.css

shortcodes.css

animations.css

css

dashicons.min.css

admin-bar.min.css

admin-bar.min.css

buddypress.css

styles.css

button.css

style.css

frontend.css

settings.css

adminbar-302.min.css

style.css

font-awesome.min.css

style.css

css

css

css

responsive.css

css

jquery.js

jquery-migrate.min.js

confirm.min.js

widget-members.min.js

jquery-query.min.js

jquery-cookie.min.js

jquery-scroll-to.min.js

buddypress.min.js

jquery.themepunch.tools.min.js

jquery.themepunch.revolution.min.js

modernizr.min.js

conversion.js

core.min.js

datepicker.min.js

jquery-ui-timepicker-addon.js

inview.js

jquery.tabs.min.js

jquery.viewport.js

jquery.carouFredSel-6.2.1-packed.js