Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dulichdaiviet.vn

Công ty TNHH Du Lịch Quốc Tế Đại Việt | GRAND VIET TOUR

Page Load Speed

16.2 sec in total

First Response

856 ms

Resources Loaded

14.6 sec

Page Rendered

703 ms

About Website

Welcome to dulichdaiviet.vn homepage info - get ready to check Du Lichdai VIET best content for Vietnam right away, or after learning these important things about dulichdaiviet.vn

Công ty Du lịch Quốc Tế Đại Việt (Grand Viet Tour) là công ty du lịch uy tín. Cung cấp dịch vụ du lịch chuyên nghiệp, tour du lịch háp dẫn.

Visit dulichdaiviet.vn

Key Findings

We analyzed Dulichdaiviet.vn page load time and found that the first response time was 856 ms and then it took 15.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

dulichdaiviet.vn performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value17.2 s

0/100

10%

TBT (Total Blocking Time)

Value3,180 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.26

47/100

15%

TTI (Time to Interactive)

Value35.1 s

0/100

10%

Network Requests Diagram

dulichdaiviet.vn

856 ms

dulichdaiviet.vn

1921 ms

font.css

273 ms

style.css

545 ms

grid.css

795 ms

Our browser made a total of 172 requests to load all elements on the main page. We found that 62% of them (106 requests) were addressed to the original Dulichdaiviet.vn, 12% (20 requests) were made to Static.xx.fbcdn.net and 8% (13 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Dulichdaiviet.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 785.0 kB (12%)

Content Size

6.7 MB

After Optimization

5.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dulichdaiviet.vn main page is 6.7 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. Only a small number of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 218.3 kB

  • Original 246.4 kB
  • After minification 205.8 kB
  • After compression 28.1 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. This page needs HTML code to be minified as it can gain 40.6 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 218.3 kB or 89% of the original size.

Image Optimization

-7%

Potential reduce by 392.9 kB

  • Original 6.0 MB
  • After minification 5.6 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. Du Lichdai VIET images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 153.8 kB

  • Original 376.3 kB
  • After minification 376.3 kB
  • After compression 222.5 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 153.8 kB or 41% of the original size.

CSS Optimization

-22%

Potential reduce by 20.0 kB

  • Original 90.8 kB
  • After minification 83.4 kB
  • After compression 70.8 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. Dulichdaiviet.vn needs all CSS files to be minified and compressed as it can save up to 20.0 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (28%)

Requests Now

151

After Optimization

109

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 151 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Du Lichdai VIET. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dulichdaiviet.vn accessibility score

78

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Names and labels

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.

Impact

Issue

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

Internationalization and localization

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

Impact

Issue

High

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

Best Practices

dulichdaiviet.vn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dulichdaiviet.vn SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dulichdaiviet.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 language. Our system also found out that Dulichdaiviet.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

Open Graph data is detected on the main page of Du Lichdai VIET. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: