Access dulichnhatban.net. Du Lịch Nhật Bản 2026: Tour Nhật Bản Trọn Gói & Thủ Tục Visa

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value25.4 s

0/100

25%

SI (Speed Index)

Value21.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.937

3/100

15%

TTI (Time to Interactive)

Value35.2 s

0/100

10%

dulichnhatban.net

774 ms

dulichnhatban.net

1554 ms

jquery.bxslider.css

540 ms

owl.carousel.css

807 ms

bootstrap.min.css

1678 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 71% of them (87 requests) were addressed to the original Dulichnhatban.net, 8% (10 requests) were made to Youtube.com and 5% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Static.subiz.com.

Content Size

7.6 MB

After Optimization

6.4 MB

In fact, the total size of Dulichnhatban.net main page is 7.6 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. 70% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 45.0 kB

Original 60.4 kB
After minification 54.8 kB
After compression 15.4 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 45.0 kB or 74% of the original size.

Image Optimization

-11%

Potential reduce by 689.3 kB

Original 6.4 MB
After minification 5.7 MB

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, Du Lichnhatban needs image optimization as it can save up to 689.3 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

-34%

Potential reduce by 291.9 kB

Original 846.5 kB
After minification 763.0 kB
After compression 554.6 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 291.9 kB or 34% of the original size.

CSS Optimization

-71%

Potential reduce by 252.5 kB

Original 354.8 kB
After minification 311.1 kB
After compression 102.3 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. Dulichnhatban.net needs all CSS files to be minified and compressed as it can save up to 252.5 kB or 71% of the original size.

Requests Now

107

After Optimization

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Du Lichnhatban. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 10 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 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

Links do not have a discernible name

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 interpretation of your content by users in different locales.

High

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

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

High

Issues were logged in the Issues panel in Chrome Devtools

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 Dulichnhatban.net 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 Dulichnhatban.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

dulichnhatban.net

Open Graph description is not detected on the main page of Du Lichnhatban. 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

Du Lịch Nhật Bản 2026: Tour Nhật Bản Trọn Gói & Thủ Tục Visa

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

dulichnhatban.net

dulichnhatban.net

jquery.bxslider.css

owl.carousel.css

bootstrap.min.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

dulichnhatban.net

dulichnhatban.net

jquery.bxslider.css

owl.carousel.css

bootstrap.min.css

custom.css

animate.css

conversion_async.js

conversion.js

jquery-2.1.1.js

owl.carousel.min.js

jquery.bxslider.js

bootstrap.min.js

jquery.imgpreload.min.js

imagesloaded.pkgd.js

map.js

samurai.js

custom.js

animate.js

wow.min.js

js_address.js

platform.js

lienhe.css

stylesheet.css

stylesheet.css

analytics.js

top_logo.png

menu-mobile.png

icon_ytb.png

icon_fbb.png

search-mobile.png

btn-search.png

5e314263b15693a09786b8260a47f5b6.jpeg

b203d0566625373f8b3f9db1d97edcf3.png

a83a3aaf0850c501b85e7a9e746756cb.png

eda26a66190b5fc0acf9b7aa52b48448.png

912bea84702eefb0f644fa1e200d4373.jpeg

timthumb.php

timthumb.php

timthumb.php

timthumb.php

timthumb.php

timthumb.php