Tools & Wizards About Us

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

bachkhoa-npower.vn

Đào tạo quản trị mạng và lập trình viên quốc tế Bách Khoa N-Power

Page Load Speed

3.9 sec in total

First Response

1000 ms

Resources Loaded

2.4 sec

Page Rendered

499 ms

About Website

Welcome to bachkhoa-npower.vn homepage info - get ready to check Bach Khoa N Power best content for Vietnam right away, or after learning these important things about bachkhoa-npower.vn

Công nghệ đào tạo theo chuẩn quốc tế từ chương trình đến giảng viên. Đội ngũ giảng viên đều đạt các chứng chỉ cho chuẩn giảng viên quốc tế của APTECH

Visit bachkhoa-npower.vn

Key Findings

We analyzed Bachkhoa-npower.vn page load time and found that the first response time was 1000 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bachkhoa-npower.vn performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.301

39/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

bachkhoa-npower.vn

1000 ms

wp-emoji-release.min.js

281 ms

style.min.css

278 ms

styles.css

43 ms

style.min.css

299 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 88% of them (66 requests) were addressed to the original Bachkhoa-npower.vn, 8% (6 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Bachkhoa-npower.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 374.6 kB (27%)

Content Size

1.4 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bachkhoa-npower.vn main page is 1.4 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 95.7 kB

  • Original 112.9 kB
  • After minification 98.9 kB
  • After compression 17.3 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 14.0 kB, which is 12% 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 95.7 kB or 85% of the original size.

Image Optimization

-24%

Potential reduce by 266.5 kB

  • Original 1.1 MB
  • After minification 836.5 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. Obviously, Bach Khoa N Power needs image optimization as it can save up to 266.5 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 6.6 kB

  • Original 87.3 kB
  • After minification 87.2 kB
  • After compression 80.7 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

-8%

Potential reduce by 5.9 kB

  • Original 75.1 kB
  • After minification 75.1 kB
  • After compression 69.2 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. Bachkhoa-npower.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (55%)

Requests Now

66

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bach Khoa N Power. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bachkhoa-npower.vn accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

bachkhoa-npower.vn best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bachkhoa-npower.vn SEO score

85

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Bachkhoa-npower.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 Bachkhoa-npower.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 Bach Khoa N Power. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: