Tools & Wizards About Us
deltaviet.vn screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

deltaviet.vn

Home - DeltaViet

Page Load Speed

8.9 sec in total

First Response

2.2 sec

Resources Loaded

5.5 sec

Page Rendered

1.3 sec

deltaviet.vn screenshot

About Website

Visit deltaviet.vn now to see the best up-to-date Delta Viet content for Vietnam and also check out these interesting facts you probably never knew about deltaviet.vn

Visit deltaviet.vn

Key Findings

We analyzed Deltaviet.vn page load time and found that the first response time was 2.2 sec and then it took 6.8 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

deltaviet.vn performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

deltaviet.vn

2174 ms

style.min.css

732 ms

desert-import-public.css

509 ms

slick.css

538 ms

all.min.css

548 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Deltaviet.vn, 5% (2 requests) were made to 2.gravatar.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Deltaviet.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.8 kB (14%)

Content Size

1.0 MB

After Optimization

888.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deltaviet.vn main page is 1.0 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. 55% of websites need less resources to load. Images take 754.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 117.3 kB

  • Original 132.6 kB
  • After minification 117.0 kB
  • After compression 15.3 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 15.6 kB, which is 12% 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 117.3 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 18.9 kB

  • Original 754.4 kB
  • After minification 735.5 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. Delta Viet images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 813 B

  • Original 52.1 kB
  • After minification 51.6 kB
  • After compression 51.3 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

-8%

Potential reduce by 7.7 kB

  • Original 94.1 kB
  • After minification 94.0 kB
  • After compression 86.5 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. Deltaviet.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (55%)

Requests Now

33

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta 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 7 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

deltaviet.vn

deltaviet.vn

2174 ms

style.min.css

style.min.css

732 ms

desert-import-public.css

desert-import-public.css

509 ms

slick.css

slick.css

538 ms

all.min.css

all.min.css

548 ms

animate.min.css

animate.min.css

557 ms

core.css

core.css

561 ms

themes.css

themes.css

1276 ms

woo-styles.css

woo-styles.css

805 ms

dark.css

dark.css

821 ms

responsive.css

responsive.css

834 ms

style.css

style.css

842 ms

d1c509452ae328bd83ce3d6a933e0313.css

d1c509452ae328bd83ce3d6a933e0313.css

967 ms

style.css

style.css

1073 ms

jquery.min.js

jquery.min.js

1097 ms

jquery-migrate.min.js

jquery-migrate.min.js

1111 ms

desert-import-public.js

desert-import-public.js

1122 ms

slick.min.js

slick.min.js

1208 ms

theme.js

theme.js

1251 ms

custom.js

custom.js

1250 ms

js-cron.js

js-cron.js

1247 ms

5c418636b7b8a0434ce3738062fcc46f

5c418636b7b8a0434ce3738062fcc46f

195 ms

cropped-lg1-e1623155300300-1.png

cropped-lg1-e1623155300300-1.png

279 ms

icons.svg

icons.svg

262 ms

tu-lanh-het-gas-3.jpg

tu-lanh-het-gas-3.jpg

842 ms

hoe_hoa.jpg

hoe_hoa.jpg

1108 ms

may-giat-rung-lac-manh.jpg

may-giat-rung-lac-manh.jpg

246 ms

89-hom-3-1497707936814.jpg

89-hom-3-1497707936814.jpg

574 ms

sua-may-giat-92873-1.jpg

sua-may-giat-92873-1.jpg

726 ms

sua-may-giat-92873.jpg

sua-may-giat-92873.jpg

522 ms

qyjmqemn7y9j_aod74i4i4cgqrj2opqb5pv4ln-k9m7bdhrfmpxhqztugotob9qnljzhpgferzmf6cngwjdezv6jqijacerlagibxhlx.jpg

qyjmqemn7y9j_aod74i4i4cgqrj2opqb5pv4ln-k9m7bdhrfmpxhqztugotob9qnljzhpgferzmf6cngwjdezv6jqijacerlagibxhlx.jpg

821 ms

code-editing-redefined.webp

code-editing-redefined.webp

1283 ms

mylivewallpapers-live-anime-wallpapers.png

mylivewallpapers-live-anime-wallpapers.png

2232 ms

5c418636b7b8a0434ce3738062fcc46f

5c418636b7b8a0434ce3738062fcc46f

19 ms

fa-regular-400.ttf

fa-regular-400.ttf

818 ms

fa-solid-900.ttf

fa-solid-900.ttf

1507 ms

fa-brands-400.ttf

fa-brands-400.ttf

1261 ms

admin-ajax.php

admin-ajax.php

1602 ms

Accessibility Review

deltaviet.vn accessibility score

68

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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs 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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

Best Practices

deltaviet.vn best practices score

92

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

SEO Factors

deltaviet.vn SEO score

84

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

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 Deltaviet.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 Deltaviet.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

deltaviet.vn

Open Graph description is not detected on the main page of Delta Viet. 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: