Access iid.edu.vn. học đấu thầu

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

iid.edu.vn

1999 ms

styles.css

1090 ms

thickbox.css

750 ms

javascripts.js

751 ms

jquery.js

1818 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 87% of them (79 requests) were addressed to the original Iid.edu.vn, 2% (2 requests) were made to Apis.google.com and 2% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Iid.edu.vn.

Content Size

881.2 kB

After Optimization

668.9 kB

In fact, the total size of Iid.edu.vn main page is 881.2 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. 45% of websites need less resources to load. Images take 719.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 80.4 kB

Original 95.0 kB
After minification 90.1 kB
After compression 14.6 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 80.4 kB or 85% of the original size.

Image Optimization

-11%

Potential reduce by 82.1 kB

Original 719.5 kB
After minification 637.3 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, Iid needs image optimization as it can save up to 82.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 31.3 kB

Original 43.9 kB
After minification 36.5 kB
After compression 12.6 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 31.3 kB or 71% of the original size.

CSS Optimization

-81%

Potential reduce by 18.5 kB

Original 22.9 kB
After minification 18.0 kB
After compression 4.3 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. Iid.edu.vn needs all CSS files to be minified and compressed as it can save up to 18.5 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iid. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

VI
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iid.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Iid.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

iid.edu.vn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

học đấu thầu

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

iid.edu.vn

styles.css

thickbox.css

javascripts.js

jquery.js

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

iid.edu.vn

styles.css

thickbox.css

javascripts.js

jquery.js

thickbox.js

chrome.js

aitechjsc-marquee04.js

online

bg_top_left.gif

logo_1321400553.jpg

bg_top_right.gif

EN.gif

bg_nav.gif

icon_arrow.jpg

logo_1319795264.gif

logo_1329181761.jpg

logo_1325587481.gif

logo_1328324955.jpg

logo_1322133049.gif

logo_1379317052.jpg

logo_1329182120.jpg

logo_1321402066.jpg

logo_1378981963.bmp

logo_1378888787.jpg

logo_1378884531.jpg

logo_1378981773.jpg

logo_1317717823.jpg

logo_1328603931.jpg

logo_1328603471.png

logo_1317717854.jpg

logo_1317717784.jpg

logo_1330772003.gif

training.jpg

news_1336990313.gif

thumb_news_1423037123.jpg

thumb_news_1318388149.JPG

thumb_news_1319099130.JPG

thumb_course_1375410830.jpg

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thumb_course_1420708083jpeg

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