Tools & Wizards About Us
nhasachviet.vn screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

nhasachviet.vn

Mua sách online, Mua sách trực tuyến nhanh nhất tại nhasachviet.vn Nhasachviet.vn

Page Load Speed

67.7 sec in total

First Response

13.3 sec

Resources Loaded

52.1 sec

Page Rendered

2.3 sec

nhasachviet.vn screenshot

About Website

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

Mua sách online tại Nhà sách trực tuyến nhasachviet.vn, Tặng Bọc sách Cao cấp Miễn Phí, Đóng gói cẩn thận, Freeship Giao hàng nhanh tại Hà Nội, Hồ Chí Minh, Giao nhanh trong Hà Nội chỉ với 3H, ngoại t...

Visit nhasachviet.vn

Key Findings

We analyzed Nhasachviet.vn page load time and found that the first response time was 13.3 sec and then it took 54.4 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 17 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

nhasachviet.vn performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value19.6 s

0/100

10%

TBT (Total Blocking Time)

Value17,850 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.23

54/100

15%

TTI (Time to Interactive)

Value33.5 s

0/100

10%

Network Requests Diagram

nhasachviet.vn

13319 ms

style.css

1741 ms

default.css

992 ms

jquery.js

7274 ms

azdesign.js

641 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 63% of them (96 requests) were addressed to the original Nhasachviet.vn, 8% (12 requests) were made to Static.xx.fbcdn.net and 5% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Nhasachviet.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 921.7 kB (16%)

Content Size

5.7 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nhasachviet.vn main page is 5.7 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. 60% of websites need less resources to load. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 98.1 kB

  • Original 113.4 kB
  • After minification 84.5 kB
  • After compression 15.3 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 28.9 kB, which is 25% 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 98.1 kB or 87% of the original size.

Image Optimization

-13%

Potential reduce by 668.9 kB

  • Original 5.3 MB
  • After minification 4.6 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, Nhasachviet needs image optimization as it can save up to 668.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 121.0 kB

  • Original 219.4 kB
  • After minification 216.6 kB
  • After compression 98.4 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 121.0 kB or 55% of the original size.

CSS Optimization

-84%

Potential reduce by 33.7 kB

  • Original 40.0 kB
  • After minification 31.3 kB
  • After compression 6.3 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. Nhasachviet.vn needs all CSS files to be minified and compressed as it can save up to 33.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (24%)

Requests Now

129

After Optimization

98

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nhasachviet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nhasachviet.vn

nhasachviet.vn

13319 ms

style.css

style.css

1741 ms

default.css

default.css

992 ms

jquery.js

jquery.js

7274 ms

azdesign.js

azdesign.js

641 ms

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1300 ms

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572 ms

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543 ms

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400 ms

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227 ms

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369 ms

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131 ms

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111 ms

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427 ms

postmessageRelay

postmessageRelay

256 ms

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320 ms

rpc:shindig_random.js

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114 ms

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arrow.png

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17739 ms

online

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1366 ms

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588 ms

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258 ms

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base.js

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782 ms

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conversion.js

conversion.js

177 ms

counter.js

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278 ms

t.php

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189 ms

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179 ms

407 ms

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16722 ms

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like.php

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16584 ms

veBs87dwiCXgZb9CwomBYiW1hyWXgp0ohA3Vj3gnbUg.js

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109 ms

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444 ms

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83 ms

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175 ms

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13810 ms

Accessibility Review

nhasachviet.vn accessibility score

75

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

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.

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 IDs are not unique

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

nhasachviet.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

nhasachviet.vn SEO score

92

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 Nhasachviet.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 Nhasachviet.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

nhasachviet.vn

Open Graph description is not detected on the main page of Nhasachviet. 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: