Tools & Wizards About Us
kop.vn screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

kop.vn

Vua Máy Bơm - cung cấp các loại máy bơm, phụ tùng máy bơm chính hãng

Page Load Speed

5.8 sec in total

First Response

1.6 sec

Resources Loaded

3.8 sec

Page Rendered

365 ms

kop.vn screenshot

About Website

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

Công ty Nguồn Sáng Việt chuyên nhập khẩu và phân phối máy bơm màng, bơm định lượng, bơm bánh răng, máy thổi khí, và phụ tùng máy bơm chính hãng, giá rẻ, chất lượng uy tín.

Visit kop.vn

Key Findings

We analyzed Kop.vn page load time and found that the first response time was 1.6 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kop.vn performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

vuamaybom.com

1584 ms

css

37 ms

ajaxify.scss.css

58 ms

block-theme.scss.css

80 ms

slideshow.scss.css

82 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Kop.vn, 12% (5 requests) were made to Fonts.gstatic.com and 9% (4 requests) were made to Product.hstatic.net. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Vuamaybom.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 526.9 kB (45%)

Content Size

1.2 MB

After Optimization

636.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kop.vn main page is 1.2 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. 55% of websites need less resources to load. Javascripts take 609.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 187.0 kB

  • Original 217.7 kB
  • After minification 179.8 kB
  • After compression 30.8 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 37.9 kB, which is 17% 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 187.0 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 275.5 kB
  • After minification 275.5 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. Kop images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 332.2 kB

  • Original 609.3 kB
  • After minification 609.3 kB
  • After compression 277.1 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 332.2 kB or 55% of the original size.

CSS Optimization

-13%

Potential reduce by 7.7 kB

  • Original 60.6 kB
  • After minification 60.6 kB
  • After compression 52.9 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. Kop.vn needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (49%)

Requests Now

37

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kop. 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 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vuamaybom.com

vuamaybom.com

1584 ms

css

css

37 ms

ajaxify.scss.css

ajaxify.scss.css

58 ms

block-theme.scss.css

block-theme.scss.css

80 ms

slideshow.scss.css

slideshow.scss.css

82 ms

menu.scss.css

menu.scss.css

89 ms

product.scss.css

product.scss.css

102 ms

global.scss.css

global.scss.css

117 ms

site_temp.scss.css

site_temp.scss.css

104 ms

responsive.scss.css

responsive.scss.css

96 ms

retina-responsive.css

retina-responsive.css

111 ms

styles.css

styles.css

109 ms

jquery-script.js

jquery-script.js

125 ms

beacon.min.js

beacon.min.js

59 ms

analytics.js

analytics.js

189 ms

logo.png

logo.png

202 ms

icon_minicart2.png

icon_minicart2.png

201 ms

loading.gif

loading.gif

160 ms

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZ9lCTx8cP.ttf

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZ9lCTx8cP.ttf

104 ms

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZqFCTx8cP.ttf

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZqFCTx8cP.ttf

148 ms

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZmlCTx8cP.ttf

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZmlCTx8cP.ttf

196 ms

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZdleTx8cP.ttf

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZdleTx8cP.ttf

196 ms

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZT1eTx8cP.ttf

ga6iaw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTa32J4wsL2JAlAhZT1eTx8cP.ttf

195 ms

vitas_logo_625e628c680f49eca3e97026056309a0.png

vitas_logo_625e628c680f49eca3e97026056309a0.png

228 ms

jquery.products.js

jquery.products.js

168 ms

master.js

master.js

168 ms

api.js

api.js

226 ms

shop_images_footer.png

shop_images_footer.png

166 ms

icon-md1.png

icon-md1.png

124 ms

icon-md2.png

icon-md2.png

166 ms

icon-md3.png

icon-md3.png

125 ms

logofooter_medium.png

logofooter_medium.png

173 ms

payment.png

payment.png

173 ms

ffa_d579b25a3447482da44dbfcb44827df4_medium.png

ffa_d579b25a3447482da44dbfcb44827df4_medium.png

274 ms

ft-bom_92611d98133b4685918c0c7859ecd877_medium.png

ft-bom_92611d98133b4685918c0c7859ecd877_medium.png

296 ms

collect

collect

94 ms

js

js

105 ms

recaptcha__en.js

recaptcha__en.js

75 ms

bom-mang-series-e02b4syssns000284_88c883d621b04911bc91718f5c5eb979_a8208d788bf64983ae4d8a68bb2504cd_medium.jpg

bom-mang-series-e02b4syssns000284_88c883d621b04911bc91718f5c5eb979_a8208d788bf64983ae4d8a68bb2504cd_medium.jpg

368 ms

bom-mang-khi-nen-s15b1i2tabs600990_6ac0d10b8e9a4d3dafded42ba41d72ed_7fff2f23dc7841de9cc70f7f5056d765_medium.jpg

bom-mang-khi-nen-s15b1i2tabs600990_6ac0d10b8e9a4d3dafded42ba41d72ed_7fff2f23dc7841de9cc70f7f5056d765_medium.jpg

1140 ms

e02m_pump__1__3247c6198cde42bd9ccee2e76d93540f_3f4abe5feebb4cd89d36a5a4c245a3c6_medium.png

e02m_pump__1__3247c6198cde42bd9ccee2e76d93540f_3f4abe5feebb4cd89d36a5a4c245a3c6_medium.png

563 ms

inch_047307b4beca4668a8e5973a60a4fc79_26189467753a45ab9cae607cb01a4771_d21672defa954ec49e9195699827e8d3_medium.png

inch_047307b4beca4668a8e5973a60a4fc79_26189467753a45ab9cae607cb01a4771_d21672defa954ec49e9195699827e8d3_medium.png

286 ms

apwatermark.js

apwatermark.js

42 ms

Accessibility Review

kop.vn accessibility score

78

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

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

kop.vn best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kop.vn SEO score

84

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

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

    VI

  • Encoding

    UTF-8

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

kop.vn

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