Access zwebs.cn. 众网工作室 - 外贸网站建设|外贸SOHO建站|美国空间|域名注册|企业邮箱，蓬江区众网网络工作室，提供一条龙建站服务，专业塑造完美品质！

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

zwebs.cn

1535 ms

bootstrap.min.css

1733 ms

animate.min.css

1230 ms

magnific-popup.css

751 ms

fontawesome-all.min.css

1266 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 97% of them (71 requests) were addressed to the original Zwebs.cn, 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Zwebs.cn.

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Zwebs.cn main page is 1.6 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. 50% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 53.7 kB

Original 61.3 kB
After minification 37.0 kB
After compression 7.6 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 24.3 kB, which is 40% 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 53.7 kB or 88% of the original size.

Image Optimization

-18%

Potential reduce by 244.5 kB

Original 1.3 MB
After minification 1.1 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. Obviously, Zwebs needs image optimization as it can save up to 244.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-23%

Potential reduce by 31.9 kB

Original 138.3 kB
After minification 138.2 kB
After compression 106.4 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 31.9 kB or 23% of the original size.

CSS Optimization

-35%

Potential reduce by 33.8 kB

Original 95.8 kB
After minification 95.8 kB
After compression 62.0 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. Zwebs.cn needs all CSS files to be minified and compressed as it can save up to 33.8 kB or 35% of the original size.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zwebs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 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 legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

High

robots.txt is not valid

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

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zwebs.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zwebs.cn 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

zwebs.cn

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

众网工作室 - 外贸网站建设|外贸SOHO建站|美国空间|域名注册|企业邮箱，蓬江区众网网络工作室，提供一条龙建站服务，专业塑造完美品质！

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

zwebs.cn

bootstrap.min.css

animate.min.css

magnific-popup.css

fontawesome-all.min.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

zwebs.cn

bootstrap.min.css

animate.min.css

magnific-popup.css

fontawesome-all.min.css

aos.css

flaticon.css

jquery-ui.min.css

nice-select.css

meanmenu.css

slick.css

default.css

style.css

responsive.css

s_logo.png

logo.png

check-out01.jpg

check-out01email.jpg

check-out01weixin.jpg

z.jpg

slider_img.png

knowledge_img02.jpg

knowledge_img01.jpg

s_product_img01.jpg

s_product_img02.jpg

s_product_img03.jpg

s_product_img04.jpg

s_product_img05.jpg

s_product_img06.jpg

s_product_img07.jpg

s_product_img08.jpg

1.png

4.png

3.png

2.png

expert-1.png

ghs.png

jquery-1.12.4.min.js

popper.min.js

bootstrap.min.js

isotope.pkgd.min.js

slick.min.js

jquery.meanmenu.min.js