Tools & Wizards About Us
dulichdaiduong.vn screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dulichdaiduong.vn

Đặt vé máy bay trực tuyến và tour du lịch giá rẻ nhất

Page Load Speed

68.2 sec in total

First Response

836 ms

Resources Loaded

66.6 sec

Page Rendered

795 ms

dulichdaiduong.vn screenshot

About Website

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

Đại lý bán Vé Máy Bay Dulichdaiduong.vn, các thông tin vé máy bay giá rẻ và địa điểm du lịch trong ngoài nước

Visit dulichdaiduong.vn

Key Findings

We analyzed Dulichdaiduong.vn page load time and found that the first response time was 836 ms and then it took 67.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dulichdaiduong.vn performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value18.4 s

0/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

dulichdaiduong.vn

836 ms

dulichdaiduong.vn

4098 ms

Default.css

528 ms

layout.css

793 ms

jquery-1.9.1.min.js

1162 ms

Our browser made a total of 166 requests to load all elements on the main page. We found that 87% of them (145 requests) were addressed to the original Dulichdaiduong.vn, 5% (8 requests) were made to Facebook.com and 2% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Dulichdaiduong.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (9%)

Content Size

13.5 MB

After Optimization

12.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dulichdaiduong.vn main page is 13.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 12.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 252.0 kB

  • Original 286.5 kB
  • After minification 270.7 kB
  • After compression 34.5 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 252.0 kB or 88% of the original size.

Image Optimization

-7%

Potential reduce by 887.0 kB

  • Original 12.8 MB
  • After minification 12.0 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 Ong images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 79.7 kB

  • Original 332.3 kB
  • After minification 332.3 kB
  • After compression 252.6 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 79.7 kB or 24% of the original size.

CSS Optimization

-22%

Potential reduce by 13.3 kB

  • Original 60.8 kB
  • After minification 60.8 kB
  • After compression 47.5 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. Dulichdaiduong.vn needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (41%)

Requests Now

150

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Du Lichdai Ong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dulichdaiduong.vn

dulichdaiduong.vn

836 ms

dulichdaiduong.vn

dulichdaiduong.vn

4098 ms

Default.css

Default.css

528 ms

layout.css

layout.css

793 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

1162 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

1388 ms

atooltip.jquery.js

atooltip.jquery.js

1172 ms

jquery-validate.js

jquery-validate.js

1227 ms

jquery.infieldlabel.js

jquery.infieldlabel.js

1225 ms

jquery-ui-1.8.20.custom.min.js

jquery-ui-1.8.20.custom.min.js

1842 ms

vniscLibrary.js

vniscLibrary.js

1433 ms

highslide-with-html.js

highslide-with-html.js

1770 ms

jquery.tmpl.min.js

jquery.tmpl.min.js

1535 ms

jquery.tokeninput.js

jquery.tokeninput.js

1537 ms

json2.js

json2.js

1669 ms

535c853e-db64-496a-8b39-521ef0f590cc.css

535c853e-db64-496a-8b39-521ef0f590cc.css

1702 ms

booking-responsive.css

booking-responsive.css

1884 ms

default.css

default.css

1885 ms

flexisel.css

flexisel.css

1951 ms

font-awesome.css

font-awesome.css

1973 ms

font-awesome.min.css

font-awesome.min.css

2081 ms

iconFont.css

iconFont.css

2167 ms

jquery.dialog.css

jquery.dialog.css

2167 ms

jquery-ui-1.8.7.all.css

jquery-ui-1.8.7.all.css

2183 ms

nivo-slider.css

nivo-slider.css

2239 ms

reset.css

reset.css

2232 ms

style.css

style.css

2399 ms

token-input.css

token-input.css

2482 ms

token-input-facebook.css

token-input-facebook.css

2480 ms

token-input-mac.css

token-input-mac.css

2502 ms

bookingMonth.css

bookingMonth.css

2558 ms

nivo-slider.css

nivo-slider.css

2593 ms

default.css

default.css

2699 ms

jssor.core.js

jssor.core.js

2800 ms

jssor.utils.js

jssor.utils.js

2796 ms

jssor.slider.js

jssor.slider.js

2818 ms

jssor.js

jssor.js

2809 ms

DMCABadgeHelper.min.js

DMCABadgeHelper.min.js

32 ms

conversion.js

conversion.js

44 ms

jssor.slider.js

jssor.slider.js

2610 ms

jquery.dialog.js

jquery.dialog.js

2484 ms

ui.datepicker.lunar.min.js

ui.datepicker.lunar.min.js

2344 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

1956 ms

jquery.mousewheel-3.0.4.pack.js

jquery.mousewheel-3.0.4.pack.js

1908 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

1943 ms

jquery.flexisel.js

jquery.flexisel.js

1942 ms

jquery.jixedbar.min.js

jquery.jixedbar.min.js

1915 ms

fbds.js

fbds.js

24 ms

gtm.js

gtm.js

44 ms

fbevents.js

fbevents.js

9 ms

dmca_protected_sml_120m.png

dmca_protected_sml_120m.png

6 ms

vietnam.png

vietnam.png

868 ms

logo_v7.png

logo_v7.png

1052 ms

dongho-t.png

dongho-t.png

1052 ms

tuvan-t.png

tuvan-t.png

1052 ms

mangluoi-t.png

mangluoi-t.png

1052 ms

datkhachsan.png

datkhachsan.png

1106 ms

vetau.png

vetau.png

1085 ms

hotprice.gif

hotprice.gif

1337 ms

Untitled-2.png

Untitled-2.png

3223 ms

KTTT.png

KTTT.png

3311 ms

Untitled-2.jpg

Untitled-2.jpg

20393 ms

comboo%20hue.jpg

comboo%20hue.jpg

3649 ms

tg.jpg

tg.jpg

1997 ms

messenger.jpg

messenger.jpg

1660 ms

icon-sky-home.png

icon-sky-home.png

1981 ms

icon-call-home.png

icon-call-home.png

2298 ms

icon-yahoo-home.png

icon-yahoo-home.png

2301 ms

chuong.png

chuong.png

2613 ms

loading.gif

loading.gif

2605 ms

VJ.png

VJ.png

2925 ms

MS.gif

MS.gif

2936 ms

VN.gif

VN.gif

3143 ms

VJ.gif

VJ.gif

3182 ms

nhanhchong.png

nhanhchong.png

3345 ms

dadang.png

dadang.png

3250 ms

hieuqua.png

hieuqua.png

3288 ms

mangluoi.png

mangluoi.png

3294 ms

chungtay.png

chungtay.png

3533 ms

hotprice.gif

hotprice.gif

3501 ms

z4999517015681_a02cd7ba071a865707f5642dab085053.jpg

z4999517015681_a02cd7ba071a865707f5642dab085053.jpg

4591 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

19751 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

3336 ms

image.png

image.png

3332 ms

kiemtra.png

kiemtra.png

3489 ms

datve.png

datve.png

3510 ms

email.png

email.png

3527 ms

book.png

book.png

3390 ms

iconFont.woff

iconFont.woff

3588 ms

xfbml.customerchat.js

xfbml.customerchat.js

14 ms

170 ms

comment.png

comment.png

3434 ms

thuonggap.png

thuonggap.png

3430 ms

logo_v2.png

logo_v2.png

3429 ms

abcs.png

abcs.png

3704 ms

28 ms

air-mekong.png

air-mekong.png

3646 ms

asiairlines.png

asiairlines.png

3651 ms

bri.png

bri.png

3459 ms

canada.png

canada.png

3328 ms

china.png

china.png

3073 ms

fra.png

fra.png

3039 ms

jetstart.png

jetstart.png

2808 ms

lufff.png

lufff.png

2967 ms

malaixia.png

malaixia.png

2718 ms

quatar.png

quatar.png

2740 ms

sir.png

sir.png

2496 ms

swissair.png

swissair.png

2486 ms

thai.png

thai.png

2281 ms

viet-jet.png

viet-jet.png

2378 ms

vietnamairlines.png

vietnamairlines.png

2388 ms

flysky.png

flysky.png

2414 ms

tauhoasky.png

tauhoasky.png

2208 ms

hotelsky.png

hotelsky.png

2224 ms

carsky.png

carsky.png

2304 ms

passky.png

passky.png

2357 ms

gen_image.php.png

gen_image.php.png

2389 ms

secured.png

secured.png

2218 ms

visa.png

visa.png

2172 ms

mastercard.png

mastercard.png

2272 ms

paypal.png

paypal.png

2312 ms

vietcombank.png

vietcombank.png

2140 ms

techcombank.png

techcombank.png

2186 ms

dongabank.png

dongabank.png

2193 ms

martinbank.png

martinbank.png

2252 ms

tpbank.png

tpbank.png

2075 ms

tienphongbank.png

tienphongbank.png

2059 ms

mbbank.png

mbbank.png

2181 ms

acb.png

acb.png

2204 ms

agribank.png

agribank.png

2016 ms

namabank.png

namabank.png

2041 ms

oceanbank.png

oceanbank.png

2095 ms

vib.png

vib.png

2177 ms

vietinbank.png

vietinbank.png

2011 ms

20150827110756-dathongbao.png

20150827110756-dathongbao.png

2005 ms

icon-luot-ung-ho.png

icon-luot-ung-ho.png

2003 ms

location.png

location.png

2045 ms

timesky.png

timesky.png

2173 ms

ddl.png

ddl.png

2038 ms

loading.gif

loading.gif

2021 ms

b10.png

b10.png

1970 ms

a18.png

a18.png

2036 ms

images.jpg

images.jpg

2186 ms

loading.gif

loading.gif

2114 ms

ui-bg_highlight-soft_100_eeeeee_1x100.png

ui-bg_highlight-soft_100_eeeeee_1x100.png

1980 ms

len-tren.png

len-tren.png

1972 ms

sky.png

sky.png

2043 ms

button-pre.png

button-pre.png

2100 ms

button-next.png

button-next.png

2160 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

19526 ms

Untitled-2.jpg

Untitled-2.jpg

582 ms

Untitled-2.jpg

Untitled-2.jpg

540 ms

drop-shadow.png

drop-shadow.png

279 ms

134 ms

95 ms

zoomout.cur

zoomout.cur

326 ms

fontawesome-webfont.svg

fontawesome-webfont.svg

19534 ms

Untitled-2.jpg

Untitled-2.jpg

943 ms

123 ms

181 ms

customerchat.php

customerchat.php

60 ms

customerchat.php

customerchat.php

76 ms

e_HgBmX_maw.css

e_HgBmX_maw.css

19 ms

95 ms

86 ms

Untitled-2.jpg

Untitled-2.jpg

528 ms

Accessibility Review

dulichdaiduong.vn accessibility score

85

Accessibility Issues

ARIA

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.

Impact

Issue

High

ARIA input fields do not have accessible names

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

dulichdaiduong.vn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

dulichdaiduong.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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dulichdaiduong.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Dulichdaiduong.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

dulichdaiduong.vn

Open Graph description is not detected on the main page of Du Lichdai Ong. 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: