Tools & Wizards About Us
cosanbong.vn screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

cosanbong.vn

AFD Grass | Cỏ Sân Bóng Sân Vườn Giá Tốt | Thi Công Sân Cỏ Nhân Tạo

Page Load Speed

10 sec in total

First Response

1.2 sec

Resources Loaded

7.9 sec

Page Rendered

894 ms

cosanbong.vn screenshot

About Website

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

Chuyên tư vấn, thiết kế thi công sân cỏ nhân tạo, cỏ sân bóng, cỏ sân vườn, sân golf, cỏ trang trí khu vui chơi, trường học. Cung cấp cỏ nhân tạo chất lượng cao giá tốt độ bền cao, hotline 0949631111

Visit cosanbong.vn

Key Findings

We analyzed Cosanbong.vn page load time and found that the first response time was 1.2 sec and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cosanbong.vn performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.193

64/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

cosanbong.vn

1215 ms

styles

494 ms

scripts

988 ms

js

71 ms

sdk.js

136 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 90% of them (81 requests) were addressed to the original Cosanbong.vn, 4% (4 requests) were made to Maps.googleapis.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Cosanbong.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 845.6 kB (13%)

Content Size

6.3 MB

After Optimization

5.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cosanbong.vn main page is 6.3 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. 70% of websites need less resources to load. Images take 6.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 91.0 kB

  • Original 103.1 kB
  • After minification 66.2 kB
  • After compression 12.2 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 37.0 kB, which is 36% 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 91.0 kB or 88% of the original size.

Image Optimization

-12%

Potential reduce by 753.6 kB

  • Original 6.1 MB
  • After minification 5.4 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, Cosanbong needs image optimization as it can save up to 753.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.1 kB

  • Original 83.9 kB
  • After minification 83.9 kB
  • After compression 82.8 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.

Requests Breakdown

Number of requests can be reduced by 7 (8%)

Requests Now

89

After Optimization

82

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cosanbong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cosanbong.vn

cosanbong.vn

1215 ms

styles

styles

494 ms

scripts

scripts

988 ms

js

js

71 ms

sdk.js

sdk.js

136 ms

embed

embed

304 ms

icons8-address-24.png

icons8-address-24.png

299 ms

logo.png

logo.png

772 ms

bg-search2.png

bg-search2.png

544 ms

icons8-phone-48.png

icons8-phone-48.png

791 ms

bg-sub.png

bg-sub.png

972 ms

313.jpg

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2128 ms

327.jpg

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1254 ms

328.jpg

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1037 ms

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2796 ms

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1816 ms

homepagelist_bg.png

homepagelist_bg.png

1201 ms

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1284 ms

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2114 ms

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1734 ms

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1531 ms

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1778 ms

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1975 ms

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2024 ms

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2069 ms

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2456 ms

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2271 ms

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2322 ms

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2343 ms

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2357 ms

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2516 ms

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2575 ms

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2573 ms

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2590 ms

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2696 ms

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2761 ms

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2801 ms

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2828 ms

391.png

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2821 ms

348.jpg

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2937 ms

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349.jpg

3007 ms

327.jpg

327.jpg

2999 ms

sdk.js

sdk.js

5 ms

40 ms

326.jpg

326.jpg

2735 ms

js

js

32 ms

search.js

search.js

6 ms

geometry.js

geometry.js

10 ms

main.js

main.js

16 ms

318.jpg

318.jpg

2511 ms

320.jpg

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2313 ms

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2392 ms

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2283 ms

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2226 ms

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2098 ms

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2034 ms

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2053 ms

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269.JPG

1891 ms

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1767 ms

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1942 ms

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1702 ms

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1573 ms

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1567 ms

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1835 ms

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1633 ms

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1623 ms

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1528 ms

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1522 ms

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1606 ms

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1634 ms

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1526 ms

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1534 ms

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1523 ms

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1570 ms

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1588 ms

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1518 ms

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1474 ms

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1506 ms

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2052 ms

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2045 ms

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1580 ms

pattern-brick.png

pattern-brick.png

1507 ms

123(1).png

123(1).png

1481 ms

307.png

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1520 ms

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1592 ms

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1623 ms

icon-top.png

icon-top.png

1651 ms

bg-call.png

bg-call.png

1621 ms

slider_bg.png

slider_bg.png

1616 ms

arrow.png

arrow.png

1647 ms

Accessibility Review

cosanbong.vn accessibility score

66

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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

cosanbong.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cosanbong.vn SEO score

91

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

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cosanbong.vn 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 Cosanbong.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

cosanbong.vn

Open Graph data is detected on the main page of Cosanbong. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: