Tools & Wizards About Us

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

vietnamvisa-center.org

Vietnam Visa Center | The official website for applying Vietnam Visa on Arrival Online

Page Load Speed

1.2 sec in total

First Response

68 ms

Resources Loaded

866 ms

Page Rendered

287 ms

About Website

Click here to check amazing Vietnam Visa Center content. Otherwise, check out these important facts you probably never knew about vietnamvisa-center.org

Vietnamvisa-center.org is offering travelers the most convenient way to get their visas to Vietnam, that is visa on arrival.

Visit vietnamvisa-center.org

Key Findings

We analyzed Vietnamvisa-center.org page load time and found that the first response time was 68 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

vietnamvisa-center.org performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value6.6 s

58/100

10%

Network Requests Diagram

vietnamvisa-center.org

68 ms

vietnamvisa-center.org

599 ms

gtm.js

105 ms

jquery-ui-1.12.1.css

18 ms

style.css

38 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 89% of them (32 requests) were addressed to the original Vietnamvisa-center.org, 6% (2 requests) were made to Googletagmanager.com and 6% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (599 ms) belongs to the original domain Vietnamvisa-center.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.6 kB (9%)

Content Size

350.3 kB

After Optimization

317.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vietnamvisa-center.org main page is 350.3 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. 55% of websites need less resources to load. Images take 250.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 19.4 kB

  • Original 25.0 kB
  • After minification 22.3 kB
  • After compression 5.6 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 2.6 kB, which is 11% 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 19.4 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 11.0 kB

  • Original 250.7 kB
  • After minification 239.6 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 Center images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 337 B

  • Original 53.9 kB
  • After minification 53.9 kB
  • After compression 53.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 1.9 kB

  • Original 20.8 kB
  • After minification 20.8 kB
  • After compression 18.9 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. Vietnamvisa-center.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (48%)

Requests Now

33

After Optimization

17

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

Accessibility Review

vietnamvisa-center.org accessibility score

92

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

Heading elements are not in a sequentially-descending order

Best Practices

vietnamvisa-center.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vietnamvisa-center.org SEO score

97

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

    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-center.org 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-center.org 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 Vietnam Visa Center. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: