Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

techall.com.cn

上海第科自动控制有限公司

Page Load Speed

65.4 sec in total

First Response

1.3 sec

Resources Loaded

63.5 sec

Page Rendered

662 ms

techall.com.cn screenshot

About Website

Welcome to techall.com.cn homepage info - get ready to check Techall best content right away, or after learning these important things about techall.com.cn

<style type="text/css"> .img-count-in { border: 1px solid #e6e6e6; }</style>

Visit techall.com.cn

Key Findings

We analyzed Techall.com.cn page load time and found that the first response time was 1.3 sec and then it took 64.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 33 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

techall.com.cn performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.265

46/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

techall.com.cn

1306 ms

www.techall.com.cn

2120 ms

lib.min.css

912 ms

page_index.min.css

1009 ms

jquery.js

7468 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 69% of them (52 requests) were addressed to the original Techall.com.cn, 11% (8 requests) were made to Sysimages.tq.cn and 4% (3 requests) were made to Combo.b.qq.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Techall.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 687.8 kB (26%)

Content Size

2.7 MB

After Optimization

2.0 MB

In fact, the total size of Techall.com.cn main page is 2.7 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. 25% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 47.3 kB

  • Original 62.5 kB
  • After minification 56.4 kB
  • After compression 15.2 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 47.3 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 160.8 kB

  • Original 1.9 MB
  • After minification 1.8 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. Techall images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 369.3 kB

  • Original 565.4 kB
  • After minification 558.6 kB
  • After compression 196.1 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 369.3 kB or 65% of the original size.

CSS Optimization

-88%

Potential reduce by 110.4 kB

  • Original 125.6 kB
  • After minification 123.9 kB
  • After compression 15.1 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. Techall.com.cn needs all CSS files to be minified and compressed as it can save up to 110.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (50%)

Requests Now

38

After Optimization

19

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Techall. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

techall.com.cn accessibility score

67

Accessibility Issues

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

techall.com.cn best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

techall.com.cn SEO score

81

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

    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 Techall.com.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 Techall.com.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

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