Access century3inc.cn. Century 3 - Leading Engineering and Project Management Firm in China

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value1.274

1/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

century3inc.cn

441 ms

www.century3inc.cn

601 ms

slick.css

71 ms

bootstrap.css

149 ms

jquery.mCustomScrollbar.css

225 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 95% of them (98 requests) were addressed to the original Century3inc.cn, 2% (2 requests) were made to Hm.baidu.com and 1% (1 request) were made to Snap.licdn.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Century3inc.cn.

Content Size

11.2 MB

After Optimization

9.5 MB

In fact, the total size of Century3inc.cn main page is 11.2 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. 60% of websites need less resources to load. Images take 10.9 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 80.9 kB

Original 94.2 kB
After minification 70.7 kB
After compression 13.3 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 23.4 kB, which is 25% 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 80.9 kB or 86% of the original size.

Image Optimization

-14%

Potential reduce by 1.6 MB

Original 10.9 MB
After minification 9.4 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, Century 3inc needs image optimization as it can save up to 1.6 MB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-20%

Potential reduce by 20.1 kB

Original 99.1 kB
After minification 99.1 kB
After compression 79.1 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 20.1 kB or 20% of the original size.

CSS Optimization

-44%

Potential reduce by 16.1 kB

Original 36.3 kB
After minification 36.3 kB
After compression 20.2 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. Century3inc.cn needs all CSS files to be minified and compressed as it can save up to 16.1 kB or 44% of the original size.

Requests Now

After Optimization

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Century 3inc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

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 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

High

Links do not have a discernible name

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

Displays images with incorrect aspect ratio

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

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Century3inc.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Century3inc.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

century3inc.cn

Open Graph description is not detected on the main page of Century 3inc. 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

Century 3 - Leading Engineering and Project Management Firm in China

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

century3inc.cn

www.century3inc.cn

slick.css

bootstrap.css

jquery.mCustomScrollbar.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

century3inc.cn

www.century3inc.cn

slick.css

bootstrap.css

jquery.mCustomScrollbar.css

style.css

animate.min.css

5dc54849-13ba-48b9-bdcb-7e7c41f5295b.png

search-btn.png

go.png

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servise-icon-1.png

servise-icon-1-hover.png

jquery.min.js

slick.min.js

public.js

jquery.mCustomScrollbar.concat.min.js

wow.min.js

select.js

jssubstring.js

servise-icon-2.png

servise-icon-2-hover.png

servise-icon-3.png

servise-icon-3-hover.png

servise-icon-4.png

servise-icon-4-hover.png