Access namnhattan.bizz.vn. Trang vàng - Danh bạ doanh nghiệp, trang vàng Việt nam

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

namnhattan.bizz.vn

845 ms

trangvangvietnam.com

1566 ms

yellowpagescss.css

767 ms

homenew_css.css

518 ms

autocomplete.css

522 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Namnhattan.bizz.vn, 92% (55 requests) were made to Trangvangvietnam.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Trangvangvietnam.com.

Content Size

521.3 kB

After Optimization

344.1 kB

In fact, the total size of Namnhattan.bizz.vn main page is 521.3 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. 25% of websites need less resources to load. Images take 263.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 50.1 kB

Original 59.3 kB
After minification 50.3 kB
After compression 9.2 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 9.0 kB, which is 15% 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 50.1 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 6.4 kB

Original 263.6 kB
After minification 257.2 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. Nam Nhattan Bizz images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 88.4 kB

Original 159.2 kB
After minification 154.2 kB
After compression 70.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 88.4 kB or 56% of the original size.

CSS Optimization

-83%

Potential reduce by 32.3 kB

Original 39.2 kB
After minification 28.8 kB
After compression 6.9 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. Namnhattan.bizz.vn needs all CSS files to be minified and compressed as it can save up to 32.3 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nam Nhattan Bizz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 Namnhattan.bizz.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 Namnhattan.bizz.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

namnhattan.bizz.vn

Open Graph description is not detected on the main page of Nam Nhattan Bizz. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Trang vàng - Danh bạ doanh nghiệp, trang vàng Việt nam

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

namnhattan.bizz.vn

trangvangvietnam.com

yellowpagescss.css

homenew_css.css

autocomplete.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

namnhattan.bizz.vn

trangvangvietnam.com

yellowpagescss.css

homenew_css.css

autocomplete.css

jquery.js

dimensions.js

autocomplete.js

autocomplete1.js

default.css

nivo-slider.css

Automatic-ImageSlider.css

jquery-1.6.4.min.js

jquery.nivo.slider.pack.js

Automatic-ImageSlider.js

js9.js

header_bg.png

hearder_bg.png

subpages.png

bg_banner_new2015.png

logo-yellowpagesvietnam.png

search_buttom.png

hotline.gif

loading.gif

nhungtrangvangvietnam.jpg

congtyquatang.jpg

maymacdongphuc.jpg

cameraquansat.jpg

baoholaodong.jpg

dangkytrangvang.gif

Pages_bg.gif

aothudongphuc.gif

tuivaikhongdet.gif

vanphongpham.gif

quatangdoanhnghiep.gif

inanvathietke.gif

chuyenphatnhanh.gif

dichvubaove.gif

vesinhcongnghiep.gif

line_categories.png

dulich.jpg

giaonhan.gif

vanphongpham.jpg