Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

isango.vn

Isango - Nhà Phân Phối Sàn Gỗ

Page Load Speed

11.4 sec in total

First Response

3.2 sec

Resources Loaded

7.8 sec

Page Rendered

424 ms

isango.vn screenshot

About Website

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

Isango là công ty chuyên cung cấp và thi công sàn gỗ công nghiệp, sàn gỗ tự nhiên, sàn nhựa, tấm nhựa ốp tường. Các loại phụ kiện sàn gỗ

Visit isango.vn

Key Findings

We analyzed Isango.vn page load time and found that the first response time was 3.2 sec and then it took 8.2 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

isango.vn performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value21.5 s

0/100

10%

TBT (Total Blocking Time)

Value13,520 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value22.9 s

1/100

10%

Network Requests Diagram

isango.vn

3184 ms

A.responsive.css.pagespeed.cf.vqrP59jX4d0APYJriv_a.css

1332 ms

A.stylesheet.css.pagespeed.cf.AKkAakOz-GBsEu-5EYCA.css

1642 ms

Style.css

541 ms

jquery.js

1699 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 73% of them (71 requests) were addressed to the original Isango.vn, 7% (7 requests) were made to Apis.google.com and 3% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Isango.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (75%)

Content Size

1.3 MB

After Optimization

335.9 kB

In fact, the total size of Isango.vn main page is 1.3 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. 50% of websites need less resources to load. Javascripts take 642.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 238.1 kB

  • Original 284.0 kB
  • After minification 220.0 kB
  • After compression 45.9 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 64.0 kB, which is 23% 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 238.1 kB or 84% of the original size.

Image Optimization

-20%

Potential reduce by 15.3 kB

  • Original 74.5 kB
  • After minification 59.3 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, Isango needs image optimization as it can save up to 15.3 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 473.3 kB

  • Original 642.0 kB
  • After minification 599.5 kB
  • After compression 168.7 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 473.3 kB or 74% of the original size.

CSS Optimization

-82%

Potential reduce by 287.3 kB

  • Original 349.3 kB
  • After minification 253.8 kB
  • After compression 62.0 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. Isango.vn needs all CSS files to be minified and compressed as it can save up to 287.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (65%)

Requests Now

71

After Optimization

25

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isango. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

isango.vn accessibility score

84

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

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

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

isango.vn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

isango.vn SEO score

99

Search Engine Optimization Advices

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 Isango.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 Isango.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 Isango. 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: