Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

link.ssis.edu.vn

SSIS Link | HomePage

Page Load Speed

6.1 sec in total

First Response

1.2 sec

Resources Loaded

4.8 sec

Page Rendered

114 ms

link.ssis.edu.vn screenshot

About Website

Welcome to link.ssis.edu.vn homepage info - get ready to check Link SSIS best content for Vietnam right away, or after learning these important things about link.ssis.edu.vn

SSIS Link

Visit link.ssis.edu.vn

Key Findings

We analyzed Link.ssis.edu.vn page load time and found that the first response time was 1.2 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

link.ssis.edu.vn performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value18.3 s

0/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value27.5 s

0/100

10%

Network Requests Diagram

link.ssis.edu.vn

1161 ms

jquery-1.11.0.min.js

777 ms

jquery-migrate-1.2.1.min.js

511 ms

bootstrap.min.css

773 ms

bootstrap-theme.min.css

515 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Link.ssis.edu.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Link.ssis.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 303.2 kB (73%)

Content Size

413.2 kB

After Optimization

110.0 kB

In fact, the total size of Link.ssis.edu.vn main page is 413.2 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. 25% of websites need less resources to load. Javascripts take 190.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 19.2 kB

  • Original 25.7 kB
  • After minification 24.6 kB
  • After compression 6.4 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 19.2 kB or 75% of the original size.

Image Optimization

-28%

Potential reduce by 8.3 kB

  • Original 29.2 kB
  • After minification 20.9 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, Link SSIS needs image optimization as it can save up to 8.3 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 137.0 kB

  • Original 190.8 kB
  • After minification 169.9 kB
  • After compression 53.8 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 137.0 kB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 138.7 kB

  • Original 167.6 kB
  • After minification 165.5 kB
  • After compression 28.9 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. Link.ssis.edu.vn needs all CSS files to be minified and compressed as it can save up to 138.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (70%)

Requests Now

23

After Optimization

7

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Link SSIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

link.ssis.edu.vn accessibility score

89

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.

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

High

Links do not have a discernible name

Best Practices

link.ssis.edu.vn best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

link.ssis.edu.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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Link.ssis.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Link.ssis.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

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