Tools & Wizards About Us
duyduc.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

duyduc.com

vé máy bay giá rẻ | Đại lý phòng vé quốc tế Việt Mỹ

Page Load Speed

6.9 sec in total

First Response

762 ms

Resources Loaded

5.8 sec

Page Rendered

321 ms

duyduc.com screenshot

About Website

Click here to check amazing Duyduc content for Vietnam. Otherwise, check out these important facts you probably never knew about duyduc.com

duyduc.com website vé máy bay giá rẻ phòng vé Việt Mỹ, đại lý vé máy bay cấp 1 các hãng hàng không quốc tế và trong nước. ĐT: 0908 380 888

Visit duyduc.com

Key Findings

We analyzed Duyduc.com page load time and found that the first response time was 762 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

duyduc.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.366

29/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

duyduc.com

762 ms

duyduc.com

1863 ms

css

42 ms

global.css

247 ms

style.min.css

492 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 45% of them (27 requests) were addressed to the original Duyduc.com, 23% (14 requests) were made to Vemaybayvietmy.com.vn and 10% (6 requests) were made to Uhchat.net. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Duyduc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.7 kB (22%)

Content Size

996.0 kB

After Optimization

773.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duyduc.com main page is 996.0 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. 35% of websites need less resources to load. Images take 710.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 70.2 kB

  • Original 86.0 kB
  • After minification 85.3 kB
  • After compression 15.9 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 70.2 kB or 82% of the original size.

Image Optimization

-21%

Potential reduce by 146.3 kB

  • Original 710.8 kB
  • After minification 564.5 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. Obviously, Duyduc needs image optimization as it can save up to 146.3 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 3.9 kB

  • Original 156.0 kB
  • After minification 156.0 kB
  • After compression 152.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 2.4 kB

  • Original 43.3 kB
  • After minification 43.3 kB
  • After compression 40.9 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. Duyduc.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (47%)

Requests Now

43

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duyduc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duyduc.com

duyduc.com

762 ms

duyduc.com

duyduc.com

1863 ms

css

css

42 ms

global.css

global.css

247 ms

style.min.css

style.min.css

492 ms

css

css

63 ms

style.css

style.css

723 ms

font-awesome.min.css

font-awesome.min.css

732 ms

jquery.min.js

jquery.min.js

738 ms

jquery-migrate.min.js

jquery-migrate.min.js

753 ms

circle-progress.js

circle-progress.js

759 ms

global.js

global.js

887 ms

scripts.js

scripts.js

963 ms

code.php

code.php

629 ms

so-css-mh-magazine-lite.css

so-css-mh-magazine-lite.css

1103 ms

wds_effects.css

wds_effects.css

1103 ms

font-awesome.css

font-awesome.css

1104 ms

wds_frontend.css

wds_frontend.css

1106 ms

front-legacy.css

front-legacy.css

1176 ms

jquery.mobile.js

jquery.mobile.js

1207 ms

wds_frontend.js

wds_frontend.js

1220 ms

Plane.png

Plane.png

754 ms

embed

embed

299 ms

Skype-logo200-e1497607196804.png

Skype-logo200-e1497607196804.png

758 ms

money-e1497861702194.png

money-e1497861702194.png

764 ms

payment-e1497861807633.png

payment-e1497861807633.png

767 ms

gnome-home-e1497861851685.png

gnome-home-e1497861851685.png

775 ms

bank-home--e1497861893760.png

bank-home--e1497861893760.png

839 ms

ngan-hang-giao-dich.png

ngan-hang-giao-dich.png

982 ms

duyducve-may-bay.jpg

duyducve-may-bay.jpg

733 ms

0.gif

0.gif

262 ms

bay-cung-bamboo.jpg

bay-cung-bamboo.jpg

881 ms

khung-tra-gia-mau-xanh-duyd.png

khung-tra-gia-mau-xanh-duyd.png

1455 ms

dai-ly-ve-may-bay-cap-2-dd.gif

dai-ly-ve-may-bay-cap-2-dd.gif

463 ms

map-footer-dd.png

map-footer-dd.png

262 ms

phong-ve-may-bay-48-cach-ma.jpg

phong-ve-may-bay-48-cach-ma.jpg

1207 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

52 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVQ.woff

59 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

66 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

67 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

65 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVQ.woff

64 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

872 ms

chat-15.png

chat-15.png

42 ms

684 ms

map-footer-dd.png

map-footer-dd.png

681 ms

js

js

35 ms

geometry.js

geometry.js

4 ms

search.js

search.js

8 ms

main.js

main.js

15 ms

Plane.png

Plane.png

989 ms

Skype-logo200-e1497607196804.png

Skype-logo200-e1497607196804.png

991 ms

money-e1497861702194.png

money-e1497861702194.png

991 ms

payment-e1497861807633.png

payment-e1497861807633.png

983 ms

gnome-home-e1497861851685.png

gnome-home-e1497861851685.png

1010 ms

c977b96c71ea33fead0476579b745251.jpg

c977b96c71ea33fead0476579b745251.jpg

9 ms

online.gif

online.gif

10 ms

noavatar.png

noavatar.png

22 ms

bank-home--e1497861893760.png

bank-home--e1497861893760.png

963 ms

ngan-hang-giao-dich.png

ngan-hang-giao-dich.png

1242 ms

Accessibility Review

duyduc.com accessibility score

91

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.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

duyduc.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

duyduc.com SEO score

98

Search Engine Optimization Advices

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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duyduc.com 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 Duyduc.com 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

duyduc.com

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