Access dan-tien-5851.blogtiengviet.net.

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

dan-tien-5851.blogtiengviet.net

1767 ms

jsapi

61 ms

jquery.min.js

77 ms

jquery-ui.css

38 ms

jquery-ui.min.js

63 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 34% of them (22 requests) were addressed to the original Dan-tien-5851.blogtiengviet.net, 31% (20 requests) were made to Blogtiengviet.net and 15% (10 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Dan-tien-5851.blogtiengviet.net.

Content Size

507.5 kB

After Optimization

295.5 kB

In fact, the total size of Dan-tien-5851.blogtiengviet.net main page is 507.5 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. 40% of websites need less resources to load. Images take 225.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 48.0 kB

Original 60.5 kB
After minification 55.1 kB
After compression 12.5 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 48.0 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 8.2 kB

Original 225.2 kB
After minification 217.0 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. Dan Tien 5851 Blogtiengviet images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 140.4 kB

Original 199.5 kB
After minification 154.1 kB
After compression 59.1 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 140.4 kB or 70% of the original size.

CSS Optimization

-69%

Potential reduce by 15.3 kB

Original 22.2 kB
After minification 17.3 kB
After compression 6.9 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. Dan-tien-5851.blogtiengviet.net needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 69% of the original size.

Requests Now

After Optimization

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dan Tien 5851 Blogtiengviet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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>).

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.

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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

N/A
Language Claimed

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dan-tien-5851.blogtiengviet.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Vietnamese. Our system also found out that Dan-tien-5851.blogtiengviet.net 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

dan-tien-5851.blogtiengviet.net

Open Graph description is not detected on the main page of Dan Tien 5851 Blogtiengviet. 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

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

dan-tien-5851.blogtiengviet.net

jsapi

jquery.min.js

jquery-ui.css

jquery-ui.min.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

dan-tien-5851.blogtiengviet.net

jsapi

jquery.min.js

jquery-ui.css

jquery-ui.min.js

jquery.corner.js

functions.js

evoextra.js

smiles.js

plusone.js

js.js

democracy.css

starrating.js

stars.css

style.css

jquery.icolor.min.js

galleria-1.2.8.min.js

brand

brand

cb=gapi.loaded_0

ga.js

basic.css

img.css

blog_elements.css

forms.css

comments.css

__utm.gif

online

539045.JPG

haoquang.gif

transino240.jpg

hodongbang.JPG

minipost.gif

envelope.gif

home.gif

feed-icon-16x16.gif

b2evolution_minilogo2.png

sky_cube_plg_title.gif

sky_cube_li.gif

iframe.html

sky_cube_entry_header.gif

icon_biggrin.gif

newsshow+af.css

google_custom_search_watermark.gif