Access blog.hanhtrinhdelta.edu.vn. Hành Trình Delta - Kỹ năng bổ ích

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.464

19/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

blog.hanhtrinhdelta.edu.vn

1447 ms

analytics.js

21 ms

shortcodes.css

1030 ms

prettyPhoto.css

1027 ms

style.css

1728 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Blog.hanhtrinhdelta.edu.vn, 38% (33 requests) were made to Thuvien.kyna.vn and 17% (15 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Thuvien.kyna.vn.

Content Size

1.3 MB

After Optimization

801.9 kB

In fact, the total size of Blog.hanhtrinhdelta.edu.vn main page is 1.3 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 647.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 28.2 kB

Original 35.9 kB
After minification 32.2 kB
After compression 7.8 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 28.2 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 10.2 kB

Original 647.6 kB
After minification 637.4 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. Blog Hanhtrinh Delta images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 282.4 kB

Original 411.6 kB
After minification 387.1 kB
After compression 129.2 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 282.4 kB or 69% of the original size.

CSS Optimization

-89%

Potential reduce by 217.5 kB

Original 245.0 kB
After minification 159.3 kB
After compression 27.5 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. Blog.hanhtrinhdelta.edu.vn needs all CSS files to be minified and compressed as it can save up to 217.5 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Hanhtrinh Delta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Links do not have a discernible name

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

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

Search Engine Optimization Advices

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

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 Blog.hanhtrinhdelta.edu.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 Blog.hanhtrinhdelta.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

blog.hanhtrinhdelta.edu.vn

Open Graph description is not detected on the main page of Blog Hanhtrinh Delta. 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

Hành Trình Delta - Kỹ năng bổ ích - Giải đáp kiến thức hằng ngày

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

blog.hanhtrinhdelta.edu.vn

analytics.js

shortcodes.css

prettyPhoto.css

style.css

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

blog.hanhtrinhdelta.edu.vn

analytics.js

shortcodes.css

prettyPhoto.css

style.css

style.css

perfect-scrollbar-0.4.6.min.css

mediaelementplayer.min.css

responsive.css

grimag_custom.css

jquery.js

jquery-migrate.min.js

perfect-scrollbar-0.4.6.with-mousewheel.min.js

custom_style.css

collect

jquery.shortcodes.js

jquery.prettyPhoto.js

jquery.postviews.js

jquery.menu.js

jquery.theme.js

jquery.st.js

jquery.ie.js

script.js

mediaelement-and-player.min.js

exit_page.js

collect

noise.png

flores.jpg

hodanje_setnja.jpg

shutterstock_177507158-1000x592.jpg

email_subscribe

5.jpg

popupblog1.gif

logo_v4.png

ab829f6c899535f9620ef74bee881a8d.jpg

menu.png

line-light.png

view.png

arrow-right-2.png

line.png

dich-vu-Copy.jpg

calendar.png

su-phat-trien-cua-nao.jpg