Tools & Wizards About Us

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

gz-dichuan.com

广州迪川仪器仪表有限公司--

Page Load Speed

6.2 sec in total

First Response

1.1 sec

Resources Loaded

4.3 sec

Page Rendered

798 ms

About Website

Click here to check amazing Gz Dichuan content. Otherwise, check out these important facts you probably never knew about gz-dichuan.com

广州汉川仪器仪表有限公司是一家专门从事设计、生产、销售各种传感器、变送器、流量计、各种测控仪表、热工仪表、现场控制器、计算机控制系统、数据采集系统、各类环境监控系统、专用控制系统应用软件系统开发及应用等工作。

Visit gz-dichuan.com

Key Findings

We analyzed Gz-dichuan.com page load time and found that the first response time was 1.1 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

gz-dichuan.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

Network Requests Diagram

gz-dichuan.com

1082 ms

media.css

427 ms

main.css

1339 ms

main_ind.css

1356 ms

layout.css

928 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 88% of them (51 requests) were addressed to the original Gz-dichuan.com, 12% (7 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Gz-dichuan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 869.7 kB (26%)

Content Size

3.4 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gz-dichuan.com main page is 3.4 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. 65% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.6 kB

  • Original 30.4 kB
  • After minification 25.3 kB
  • After compression 6.8 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 5.1 kB, which is 17% 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 23.6 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 91.2 kB

  • Original 2.4 MB
  • After minification 2.3 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. Gz Dichuan images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 255.9 kB

  • Original 402.4 kB
  • After minification 400.7 kB
  • After compression 146.5 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 255.9 kB or 64% of the original size.

CSS Optimization

-90%

Potential reduce by 499.0 kB

  • Original 556.6 kB
  • After minification 347.5 kB
  • After compression 57.5 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. Gz-dichuan.com needs all CSS files to be minified and compressed as it can save up to 499.0 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (28%)

Requests Now

54

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gz Dichuan. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

gz-dichuan.com accessibility score

53

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

gz-dichuan.com best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

gz-dichuan.com SEO score

83

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

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 Gz-dichuan.com 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 Gz-dichuan.com 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 Gz Dichuan. 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: