Report Summary

  • 34

    Performance

    Renders faster than
    55% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

tanphivan.com.vn

Đặt mua vé máy bay giá rẻ trong nước và quốc tế. Dịch vụ hỗ trợ 24/7

Page Load Speed

7 sec in total

First Response

728 ms

Resources Loaded

5.9 sec

Page Rendered

381 ms

tanphivan.com.vn screenshot

About Website

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

Đặt mua vé máy bay giá rẻ trực tuyến. Tư vấn chặng bay và giữ chổ hành trình đối với đường bay quốc tế giá rẻ nhất. Phục vụ 24/24.

Visit tanphivan.com.vn

Key Findings

We analyzed Tanphivan.com.vn page load time and found that the first response time was 728 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tanphivan.com.vn performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.672

8/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

tanphivan.com.vn

728 ms

tanphivan.com.vn

1547 ms

js

106 ms

536bee5d0c76690169f138dfbade26a4.js

1041 ms

bg-tanphivan-1.jpg

1477 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 90% of them (43 requests) were addressed to the original Tanphivan.com.vn, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Tanphivan.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.6 kB (9%)

Content Size

682.7 kB

After Optimization

624.1 kB

In fact, the total size of Tanphivan.com.vn main page is 682.7 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. 30% of websites need less resources to load. Images take 551.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 46.2 kB

  • Original 57.8 kB
  • After minification 54.7 kB
  • After compression 11.7 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. 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 46.2 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 12.2 kB

  • Original 551.9 kB
  • After minification 539.7 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. Tanphivan images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 63 B

  • Original 20.0 kB
  • After minification 20.0 kB
  • After compression 20.0 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

-0%

Potential reduce by 109 B

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 52.8 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. Tanphivan.com.vn has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

43

After Optimization

43

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tanphivan. According to our analytics all requests are already optimized.

Accessibility Review

tanphivan.com.vn accessibility score

80

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

tanphivan.com.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

tanphivan.com.vn SEO score

92

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tanphivan.com.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Tanphivan.com.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 data is detected on the main page of Tanphivan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: