Access testin.cn. Testin云测，助力产业智能化|测试,安全,AI数据|北京云测信息技术有限公司官网

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

testin.cn

733 ms

testin.cn

1283 ms

common.min.css

484 ms

index.min.css

700 ms

index.adjust.min.css

684 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 87% of them (77 requests) were addressed to the original Testin.cn, 4% (4 requests) were made to Testin-saas-test.oss-cn-hangzhou.aliyuncs.com and 3% (3 requests) were made to 1357720.s2.udesk.cn. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Testin.cn.

Content Size

202.8 kB

After Optimization

53.3 kB

In fact, the total size of Testin.cn main page is 202.8 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. HTML takes 107.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 87.5 kB

Original 107.8 kB
After minification 85.4 kB
After compression 20.3 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 22.4 kB, which is 21% 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 87.5 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 1.7 kB
After minification 1.7 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. Testin images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 61.9 kB

Original 91.6 kB
After minification 91.6 kB
After compression 29.7 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 61.9 kB or 68% of the original size.

CSS Optimization

-3%

Potential reduce by 56 B

Original 1.7 kB
After minification 1.7 kB
After compression 1.6 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. Testin.cn has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Testin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 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

High

Links do not have a discernible name

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>).

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

Page has valid source maps

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

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 Testin.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 Testin.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

testin.cn

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

Testin云测，助力产业智能化|测试,安全,AI数据|北京云测信息技术有限公司官网

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

testin.cn

testin.cn

common.min.css

index.min.css

index.adjust.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

testin.cn

testin.cn

common.min.css

index.min.css

index.adjust.min.css

header.css

iconfont.css

jquery.min.js

jquery.tooltip.js

jquery.splitter.js

idangerous.swiper.min.js

jquery-1.12.4.min.js

jquery.cookie.js

sweetalert.min.js

base.js

function.js

iconfont.min.css

sha1.js

TCaptcha.js

index.js

landing.js

c6efe512-8f29-4e20-a9af-34aec2b86487.close.png

logo.png

logo_w.png

logo.webp

banner-1.webp

banner-2.webp

banner-3.webp

banner-4.webp

banner-5.webp

arrow-r.png

focus-1.webp

focus-2.webp

focus-3.webp

focus-4.webp

icon_r.webp

popular-1-1.webp

popular-1-2.webp

popular-1-7.webp

popular-1-4.webp

popular-1-5.webp

popular-1-6.webp

162b4230-ad0f-4470-a195-dc58f3c59001.01.png