Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

supcom.vn

SUPCOM - Tư vấn, thiết kế dịch vụ chữ ký số, bộ nhận diện thương hiệu

Page Load Speed

8.6 sec in total

First Response

479 ms

Resources Loaded

7.8 sec

Page Rendered

333 ms

supcom.vn screenshot

About Website

Visit supcom.vn now to see the best up-to-date SUPCOM content and also check out these interesting facts you probably never knew about supcom.vn

SUPCOM là công ty hàng đầu về tư vấn , đăng ký và thiết kế các dịch vụ Chữ ký số, nhận diện thương hiệu uy tín hàng đầu tại Hà nội nói riêng và toàn quốc nói chung. Hãy liên hệ với chúng tôi để có đượ...

Visit supcom.vn

Key Findings

We analyzed Supcom.vn page load time and found that the first response time was 479 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

supcom.vn performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value22.8 s

0/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.158

74/100

15%

TTI (Time to Interactive)

Value24.8 s

0/100

10%

Network Requests Diagram

supcom.vn

479 ms

supcom.vn

1587 ms

twemoji.js

777 ms

wp-emoji.js

778 ms

farbtastic.css

546 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 67% of them (86 requests) were addressed to the original Supcom.vn, 8% (10 requests) were made to Static.xx.fbcdn.net and 5% (7 requests) were made to Page.widget.zalo.me. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Supcom.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 294.4 kB (14%)

Content Size

2.1 MB

After Optimization

1.8 MB

In fact, the total size of Supcom.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. 65% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 82.4 kB

  • Original 101.6 kB
  • After minification 93.9 kB
  • After compression 19.1 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 82.4 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 180.5 kB

  • Original 1.1 MB
  • After minification 964.4 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, SUPCOM needs image optimization as it can save up to 180.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 19.6 kB

  • Original 657.0 kB
  • After minification 656.1 kB
  • After compression 637.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 11.9 kB

  • Original 157.2 kB
  • After minification 157.2 kB
  • After compression 145.4 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. Supcom.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 71 (60%)

Requests Now

118

After Optimization

47

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SUPCOM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

supcom.vn accessibility score

57

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

High

Links do not have a discernible name

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>).

High

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

Best Practices

supcom.vn best practices score

58

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

supcom.vn SEO score

85

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Supcom.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 Supcom.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 SUPCOM. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: