Access webtop.vn. Chợ thi công - Sàn giao dịch Xây dựng và Công nghiệp

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value18.4 s

0/100

10%

TBT (Total Blocking Time)

Value13,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.549

13/100

15%

TTI (Time to Interactive)

Value29.2 s

0/100

10%

webtop.vn

1848 ms

cssloader.php

495 ms

modal.css

507 ms

k2.css

779 ms

cssloader.php

782 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 98% of them (108 requests) were addressed to the original Webtop.vn, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Webtop.vn.

Content Size

782.9 kB

After Optimization

545.9 kB

In fact, the total size of Webtop.vn main page is 782.9 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. 30% of websites need less resources to load. Images take 493.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 33.2 kB

Original 41.9 kB
After minification 38.5 kB
After compression 8.7 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 33.2 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 20.0 kB

Original 493.6 kB
After minification 473.5 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. Webtop images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 118.8 kB

Original 170.9 kB
After minification 147.8 kB
After compression 52.1 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 118.8 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 64.9 kB

Original 76.5 kB
After minification 51.6 kB
After compression 11.6 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. Webtop.vn needs all CSS files to be minified and compressed as it can save up to 64.9 kB or 85% of the original size.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Webtop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

ARIA progressbar elements do not have accessible names.

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

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 items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

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 Webtop.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 Webtop.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

webtop.vn

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

Chợ thi công - Sàn giao dịch Xây dựng và Công nghiệp

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

webtop.vn

cssloader.php

modal.css

k2.css

cssloader.php

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

webtop.vn

cssloader.php

modal.css

k2.css

cssloader.php

jquery.cdcaptcha.css

dropdown.css

vertical.css

accordion.css

layout.css

template.css

ja.contentscroll.css

mod_ampcontact.css

ja.slideshow2.css

jsloader.php

jsloader.php

mootools.js

modal.js

k2.js

caption.js

jsloader.php

jquery.cdcaptcha.js

webtop.vn

menu.js

jv.js

script.js

validate.js

mod_ampcontact.js

ajax_1.3.js

ja.slideshow2.js

ja.slideshow.js

bg-h3.png

bg-header.png

logo.png

banner2.jpg

banner1.jpg

banner3.jpg

banner4.jpg

icon-joomla-temp.png

icon-firefox.png

icon-ie.png

icon-chrome.png

icon-safari.png