Tools & Wizards About Us

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

rahavan.vn

Trung Tâm học lái xe ô tô chuyên nghiệp nhất Việt Nam

Page Load Speed

23.8 sec in total

First Response

1.2 sec

Resources Loaded

22.3 sec

Page Rendered

292 ms

About Website

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

Trung tâm học lái xe ô tô uy tín số 01 Việt Nam. Cung cấp đầy đủ thông tin và những lớp học chất lượng phù hợp với nhu cầu, thuận tiện cho bạn. Xem ngay

Visit rahavan.vn

Key Findings

We analyzed Rahavan.vn page load time and found that the first response time was 1.2 sec and then it took 22.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

rahavan.vn performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

rahavan.vn

1235 ms

bootstrap.min.css

26 ms

jquery-ui.min.css

532 ms

jquery.bxslider.css

541 ms

styles.css

556 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 89% of them (51 requests) were addressed to the original Rahavan.vn, 5% (3 requests) were made to Maxcdn.bootstrapcdn.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Rahavan.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 550.6 kB (18%)

Content Size

3.1 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rahavan.vn main page is 3.1 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. 45% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 104.2 kB

  • Original 115.6 kB
  • After minification 83.6 kB
  • After compression 11.4 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 32.0 kB, which is 28% 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 104.2 kB or 90% of the original size.

Image Optimization

-17%

Potential reduce by 443.7 kB

  • Original 2.6 MB
  • After minification 2.2 MB

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, Rahavan needs image optimization as it can save up to 443.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.5 kB

  • Original 315.8 kB
  • After minification 315.8 kB
  • After compression 314.3 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

-9%

Potential reduce by 1.3 kB

  • Original 13.7 kB
  • After minification 13.7 kB
  • After compression 12.4 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. Rahavan.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (17%)

Requests Now

53

After Optimization

44

  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rahavan. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rahavan.vn accessibility score

71

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

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

rahavan.vn best practices score

67

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

Browser errors were logged to the console

SEO Factors

rahavan.vn SEO score

91

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 Rahavan.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 Rahavan.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 Rahavan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: