Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 55

    SEO

    Google-friendlier than
    30% of websites

Page Load Speed

4.2 sec in total

First Response

1.4 sec

Resources Loaded

2.7 sec

Page Rendered

92 ms

topdeal.vn screenshot

About Website

Visit topdeal.vn now to see the best up-to-date Topdeal content and also check out these interesting facts you probably never knew about topdeal.vn

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Key Findings

We analyzed Topdeal.vn page load time and found that the first response time was 1.4 sec and then it took 2.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

topdeal.vn performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

topdeal.vn

1382 ms

style.css

507 ms

location.js

521 ms

stickyImg

523 ms

pavietnam.gif

518 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Topdeal.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Topdeal.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.6 kB (52%)

Content Size

52.6 kB

After Optimization

25.0 kB

In fact, the total size of Topdeal.vn main page is 52.6 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. Only 10% of websites need less resources to load. Images take 27.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 16.6 kB

  • Original 19.8 kB
  • After minification 13.6 kB
  • After compression 3.2 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 6.2 kB, which is 31% 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 16.6 kB or 84% of the original size.

Image Optimization

-22%

Potential reduce by 6.1 kB

  • Original 27.0 kB
  • After minification 20.9 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. Obviously, Topdeal needs image optimization as it can save up to 6.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 679 B

  • Original 943 B
  • After minification 661 B
  • After compression 264 B

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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 679 B or 72% of the original size.

CSS Optimization

-87%

Potential reduce by 4.3 kB

  • Original 4.9 kB
  • After minification 4.1 kB
  • After compression 618 B

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. Topdeal.vn needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Topdeal. According to our analytics all requests are already optimized.

Accessibility Review

topdeal.vn accessibility score

68

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

Document doesn't have a <title> element

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

topdeal.vn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

topdeal.vn SEO score

55

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

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Topdeal.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Topdeal.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 Topdeal. 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: