Tools & Wizards About Us
nnb.vn screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

nnb.vn

đồ Gia Dụng - Gia Dung, Phan Phoi, Sieu Thi

Page Load Speed

6.7 sec in total

First Response

38 ms

Resources Loaded

6.1 sec

Page Rendered

569 ms

nnb.vn screenshot

About Website

Welcome to nnb.vn homepage info - get ready to check Nnb best content right away, or after learning these important things about nnb.vn

Là nhà cung cấp hàng hóa đồ gia dụng cho Hệ thống siêu thị toàn quốc, cung cấp hàng hóa sĩ cho các cửa hàng tạp hóa.

Visit nnb.vn

Key Findings

We analyzed Nnb.vn page load time and found that the first response time was 38 ms and then it took 6.6 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

nnb.vn performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

nnb.vn

38 ms

nnb.vn

2042 ms

styles.css

33 ms

flatsome.css

25 ms

flatsome-shop.css

22 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 91% of them (52 requests) were addressed to the original Nnb.vn, 7% (4 requests) were made to Maps.googleapis.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Nnb.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 430.3 kB (9%)

Content Size

4.7 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nnb.vn main page is 4.7 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. 40% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 70.2 kB

  • Original 88.2 kB
  • After minification 84.5 kB
  • After compression 18.0 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 70.2 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 313.1 kB

  • Original 4.4 MB
  • After minification 4.1 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. Nnb images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 32.5 kB

  • Original 194.8 kB
  • After minification 194.6 kB
  • After compression 162.3 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 32.5 kB or 17% of the original size.

CSS Optimization

-28%

Potential reduce by 14.5 kB

  • Original 52.2 kB
  • After minification 51.9 kB
  • After compression 37.6 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. Nnb.vn needs all CSS files to be minified and compressed as it can save up to 14.5 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (38%)

Requests Now

50

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nnb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nnb.vn

nnb.vn

38 ms

nnb.vn

nnb.vn

2042 ms

styles.css

styles.css

33 ms

flatsome.css

flatsome.css

25 ms

flatsome-shop.css

flatsome-shop.css

22 ms

style.css

style.css

33 ms

jquery.min.js

jquery.min.js

32 ms

jquery-migrate.min.js

jquery-migrate.min.js

43 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

46 ms

add-to-cart.min.js

add-to-cart.min.js

48 ms

js.cookie.min.js

js.cookie.min.js

47 ms

nnb_logo-1024x402.webp

nnb_logo-1024x402.webp

534 ms

blob-1200x800.webp

blob-1200x800.webp

1527 ms

xe-day-hang-sieu-thi.jpg

xe-day-hang-sieu-thi.jpg

546 ms

rsw_365h_365cg_true-2.webp

rsw_365h_365cg_true-2.webp

549 ms

rsw_388h_194cg_true.webp

rsw_388h_194cg_true.webp

544 ms

rsw_388h_194cg_truem.webp

rsw_388h_194cg_truem.webp

791 ms

rsw_388h_194cg_true-1.webp

rsw_388h_194cg_true-1.webp

1048 ms

rsw_388h_194cg_true-2.webp

rsw_388h_194cg_true-2.webp

1071 ms

rsw_388h_194cg_true-3.webp

rsw_388h_194cg_true-3.webp

1066 ms

rsw_388h_194cg_true-4.webp

rsw_388h_194cg_true-4.webp

1073 ms

sieu-thi-coop-7026-1595932143.jpg

sieu-thi-coop-7026-1595932143.jpg

1315 ms

anh-1-winmart-winmart-hoan-tat-chuyen-doi-thuong-hieu-trong-thang-4-2022-20220419090852.jpg

anh-1-winmart-winmart-hoan-tat-chuyen-doi-thuong-hieu-trong-thang-4-2022-20220419090852.jpg

1601 ms

1200x628.jpg

1200x628.jpg

1609 ms

lottemartq7-1625554993668.jpg

lottemartq7-1625554993668.jpg

1610 ms

aeonceladontanphu-3042.jpg

aeonceladontanphu-3042.jpg

1350 ms

foody-e-mart-go-vap-199355-269-635869109593768491-3.jpg

foody-e-mart-go-vap-199355-269-635869109593768491-3.jpg

1937 ms

bach-hoa-xanh-269.png

bach-hoa-xanh-269.png

1933 ms

sieu-thi-dien-may-xanh-173-ha-huy-tap-ha-tinh-2.jpg

sieu-thi-dien-may-xanh-173-ha-huy-tap-ha-tinh-2.jpg

2048 ms

vi_2722_mainimage.jpg

vi_2722_mainimage.jpg

2160 ms

dsc5258.jpg

dsc5258.jpg

2149 ms

gioi-thieu-ve-mo-hinh-kinh-doanh-cua-7-eleven.jpg

gioi-thieu-ve-mo-hinh-kinh-doanh-cua-7-eleven.jpg

2849 ms

team-3.jpg

team-3.jpg

3510 ms

31484957_1530304957092332_7507036168307867648_n.jpg

31484957_1530304957092332_7507036168307867648_n.jpg

3509 ms

he_thong_aeon_citimart_a8d7552840.jpg

he_thong_aeon_citimart_a8d7552840.jpg

2562 ms

rsw_1280-14.webp

rsw_1280-14.webp

2687 ms

porreferencia.jpg

porreferencia.jpg

2699 ms

Anh-bai-4-768x500.jpg

Anh-bai-4-768x500.jpg

3112 ms

S6uyw4BMUTPHjx4wWCWtFCc.woff

S6uyw4BMUTPHjx4wWCWtFCc.woff

4197 ms

S6uyw4BMUTPHjxAwWCWtFCfQ7A.woff

S6uyw4BMUTPHjxAwWCWtFCfQ7A.woff

3215 ms

S6u9w4BMUTPHh6UVSwiPHw3q5d0.woff

S6u9w4BMUTPHh6UVSwiPHw3q5d0.woff

3330 ms

S6u9w4BMUTPHh6UVSwaPHw3q5d0N7w.woff

S6u9w4BMUTPHh6UVSwaPHw3q5d0N7w.woff

3602 ms

fl-icons.ttf

fl-icons.ttf

4003 ms

email-decode.min.js

email-decode.min.js

3111 ms

index.js

index.js

3642 ms

index.js

index.js

3260 ms

woocommerce.min.js

woocommerce.min.js

3262 ms

flatsome-live-search.js

flatsome-live-search.js

2995 ms

hoverIntent.min.js

hoverIntent.min.js

2995 ms

flatsome.js

flatsome.js

2997 ms

woocommerce.js

woocommerce.js

3009 ms

pngtree-facebook-icon-png-image_9015416.png

pngtree-facebook-icon-png-image_9015416.png

3277 ms

embed

embed

192 ms

js

js

36 ms

geometry.js

geometry.js

3 ms

search.js

search.js

7 ms

main.js

main.js

14 ms

Accessibility Review

nnb.vn accessibility score

78

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

nnb.vn best practices score

83

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

High

Browser errors were logged to the console

SEO Factors

nnb.vn SEO score

80

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

    EN

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nnb.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Vietnamese language. Our system also found out that Nnb.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

nnb.vn

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