Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

vietnamvisa.org.vn

Vietnam Visa On Arrival - Official site for Vietnam visa online

Page Load Speed

5.2 sec in total

First Response

622 ms

Resources Loaded

2.9 sec

Page Rendered

1.7 sec

About Website

Welcome to vietnamvisa.org.vn homepage info - get ready to check Vietnam Visa best content for Australia right away, or after learning these important things about vietnamvisa.org.vn

Official site of Vietnam visa agent online. Applying Vietnam visa on arrival for tourist is highly recommended by TripAdvisor and travellers.

Visit vietnamvisa.org.vn

Key Findings

We analyzed Vietnamvisa.org.vn page load time and found that the first response time was 622 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

vietnamvisa.org.vn performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value2,440 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

www.vietnamvisa.org.vn

622 ms

bootstrap.min.css

292 ms

fontawesome-all.min.css

339 ms

theme.css

282 ms

style.min.css

81 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 75% of them (21 requests) were addressed to the original Vietnamvisa.org.vn, 7% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (958 ms) belongs to the original domain Vietnamvisa.org.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.9 kB (13%)

Content Size

527.4 kB

After Optimization

456.5 kB

In fact, the total size of Vietnamvisa.org.vn main page is 527.4 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. 50% of websites need less resources to load. Images take 329.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 64.8 kB

  • Original 74.5 kB
  • After minification 44.2 kB
  • After compression 9.7 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 30.3 kB, which is 41% 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 64.8 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 5.4 kB

  • Original 329.0 kB
  • After minification 323.6 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. Vietnam Visa images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 750 B

  • Original 74.6 kB
  • After minification 74.6 kB
  • After compression 73.8 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

-0%

Potential reduce by 22 B

  • Original 49.4 kB
  • After minification 49.4 kB
  • After compression 49.4 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. Vietnamvisa.org.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (60%)

Requests Now

25

After Optimization

10

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vietnam Visa. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vietnamvisa.org.vn accessibility score

88

Accessibility Issues

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

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

vietnamvisa.org.vn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vietnamvisa.org.vn SEO score

79

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Document doesn't have a valid hreflang

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vietnamvisa.org.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vietnamvisa.org.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 description is not detected on the main page of Vietnam Visa. 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: