Access th-kimdong-quangtri.violet.vn. Website của Trường Tiểu học Kim Đồng

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

th-kimdong-quangtri.violet.vn

2303 ms

628a69fef0b35a37e21212b3ebd519b7_1456802193.css

718 ms

6c87eda583a786978ac625e852d2d780_1456802179.js

1448 ms

Widget.js

491 ms

GenerateJS.aspx

492 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 29% of them (19 requests) were addressed to the original Th-kimdong-quangtri.violet.vn, 20% (13 requests) were made to D2.violet.vn and 14% (9 requests) were made to D4.violet.vn. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source D4.violet.vn.

Content Size

1.7 MB

After Optimization

1.1 MB

In fact, the total size of Th-kimdong-quangtri.violet.vn main page is 1.7 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. 40% of websites need less resources to load. Images take 990.6 kB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 381.1 kB

Original 398.9 kB
After minification 390.3 kB
After compression 17.8 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 381.1 kB or 96% of the original size.

Image Optimization

-4%

Potential reduce by 43.9 kB

Original 990.6 kB
After minification 946.7 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. Th Kim Dongquangtri Violet images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 221.8 kB

Original 307.9 kB
After minification 307.7 kB
After compression 86.1 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 72% of the original size.

CSS Optimization

-76%

Potential reduce by 20.5 kB

Original 27.0 kB
After minification 25.6 kB
After compression 6.5 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. Th-kimdong-quangtri.violet.vn needs all CSS files to be minified and compressed as it can save up to 20.5 kB or 76% of the original size.

Requests Now

After Optimization

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Th Kim Dongquangtri Violet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

High

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

Areas of Improvement

High

Does not use HTTPS

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

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

High

Document uses plugins

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 Th-kimdong-quangtri.violet.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 Th-kimdong-quangtri.violet.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

th-kimdong-quangtri.violet.vn

Open Graph description is not detected on the main page of Th Kim Dongquangtri Violet. 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

Website của Trường Tiểu học Kim Đồng

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

th-kimdong-quangtri.violet.vn

628a69fef0b35a37e21212b3ebd519b7_1456802193.css

6c87eda583a786978ac625e852d2d780_1456802179.js

Widget.js

GenerateJS.aspx

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

th-kimdong-quangtri.violet.vn

628a69fef0b35a37e21212b3ebd519b7_1456802193.css

6c87eda583a786978ac625e852d2d780_1456802179.js

Widget.js

GenerateJS.aspx

jsapi

jcat140330195124.js

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