Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

saomaicenter.org

Tăng Năng Lực Người Khiếm Thị Với Công Nghệ Trợ Giúp | Trung Tâm Hướng Nghiệp & Công Nghệ Trợ Giúp Cho Người Mù Sao Mai

Page Load Speed

41.2 sec in total

First Response

3.5 sec

Resources Loaded

37.3 sec

Page Rendered

404 ms

saomaicenter.org screenshot

About Website

Visit saomaicenter.org now to see the best up-to-date Sao Mai Center content for Vietnam and also check out these interesting facts you probably never knew about saomaicenter.org

Trung Tâm Vì Người Mù Sao Mai (SMCB) được thành lập vào năm 2001, là một tổ chức phi lợi nhuận có trụ sở hoạt động tạiViệt Nam. Chúng tôi thực hiện các hoạt động chính: nghiên cứu, phát triển và ứng d...

Visit saomaicenter.org

Key Findings

We analyzed Saomaicenter.org page load time and found that the first response time was 3.5 sec and then it took 37.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

saomaicenter.org performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.2 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.53

14/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

Network Requests Diagram

saomaicenter.org

3492 ms

system.base.css

979 ms

system.menus.css

674 ms

system.messages.css

659 ms

system.theme.css

843 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that all of those requests were addressed to Saomaicenter.org and no external sources were called. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Saomaicenter.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 296.7 kB (69%)

Content Size

432.7 kB

After Optimization

136.0 kB

In fact, the total size of Saomaicenter.org main page is 432.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Javascripts take 300.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 19.7 kB

  • Original 24.8 kB
  • After minification 23.9 kB
  • After compression 5.1 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 19.7 kB or 79% of the original size.

Image Optimization

-13%

Potential reduce by 6.4 kB

  • Original 47.8 kB
  • After minification 41.5 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, Sao Mai Center needs image optimization as it can save up to 6.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 221.8 kB

  • Original 300.8 kB
  • After minification 251.4 kB
  • After compression 78.9 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 221.8 kB or 74% of the original size.

CSS Optimization

-82%

Potential reduce by 48.8 kB

  • Original 59.3 kB
  • After minification 41.1 kB
  • After compression 10.4 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. Saomaicenter.org needs all CSS files to be minified and compressed as it can save up to 48.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (85%)

Requests Now

34

After Optimization

5

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sao Mai Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

saomaicenter.org accessibility score

82

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

[id] attributes on active, focusable elements are not unique

ARIA

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.

Impact

Issue

High

ARIA IDs are not unique

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

Image elements do not have [alt] attributes

Best Practices

saomaicenter.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

saomaicenter.org SEO score

86

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

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 Saomaicenter.org 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 Saomaicenter.org 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 description is not detected on the main page of Sao Mai Center. 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: