Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

zaloapp.com

Zalo PC - Tải Zalo PC để làm việc nhóm hiệu quả và gửi file nhanh

Page Load Speed

8.2 sec in total

First Response

777 ms

Resources Loaded

7.2 sec

Page Rendered

234 ms

zaloapp.com screenshot

About Website

Visit zaloapp.com now to see the best up-to-date Zalo App content for Vietnam and also check out these interesting facts you probably never knew about zaloapp.com

Tải Zalo PC cho máy tính để sử dụng các tính năng vượt trội như gửi file 1GB, Chụp màn hình, Phân loại nhóm,... Download Zalo trên các nền tảng Windows, Mac OS

Visit zaloapp.com

Key Findings

We analyzed Zaloapp.com page load time and found that the first response time was 777 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

zaloapp.com performance score

0

Network Requests Diagram

zaloapp.com

777 ms

screen01.css

507 ms

blinds.css

508 ms

scrollable-horizontal.css

511 ms

popupyoutube.css

511 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 81% of them (43 requests) were addressed to the original Zaloapp.com, 6% (3 requests) were made to Facebook.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Zaloapp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.9 kB (18%)

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Zaloapp.com main page is 1.6 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 18.0 kB

  • Original 23.6 kB
  • After minification 20.3 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 3.3 kB, which is 14% 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 18.0 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 159.2 kB

  • Original 1.4 MB
  • After minification 1.2 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, Zalo App needs image optimization as it can save up to 159.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 99.2 kB

  • Original 168.4 kB
  • After minification 165.9 kB
  • After compression 69.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 99.2 kB or 59% of the original size.

CSS Optimization

-76%

Potential reduce by 10.5 kB

  • Original 13.8 kB
  • After minification 10.3 kB
  • After compression 3.3 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. Zaloapp.com needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (15%)

Requests Now

52

After Optimization

44

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zalo App. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

SEO Factors

zaloapp.com SEO score

0

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zaloapp.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zaloapp.com 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 Zalo App. 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: