Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 0

    Best Practices

  • 58

    SEO

    Google-friendlier than
    20% of websites

csb58.com

北京长宏建翔科技发展有限公司_超声波焊接机|超声波塑料焊接机|热板焊接机|塑料热熔机|塑料旋熔机|超声波焊接设备|塑料超声波焊接机|超声波点焊机|塑料振动摩擦焊接机

Page Load Speed

28.6 sec in total

First Response

4.4 sec

Resources Loaded

23.3 sec

Page Rendered

921 ms

csb58.com screenshot

About Website

Click here to check amazing Csb 58 content. Otherwise, check out these important facts you probably never knew about csb58.com

长翔超声波焊接机工厂:主要生产超声波焊接机|塑焊机|超声波塑料焊接机 |塑料热熔焊接机 |超声波花边机|塑料焊接机|北京超声波焊接机|超声波焊接原理|超声波焊接机报价|超声波点焊机|超声波金属焊接机|手提超声波点焊机|热熔机|螺母埋置机| 热扳机 | 高周波|高频机| 超声波塑料热合机 |塑料熔接机|超声波焊接加工|超声波模具欢迎前来订购!

Visit csb58.com

Key Findings

We analyzed Csb58.com page load time and found that the first response time was 4.4 sec and then it took 24.2 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

csb58.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value27.7 s

0/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

csb58.com

4357 ms

style.css

2688 ms

20112131241740803.jpg

20252 ms

3955754.js

7392 ms

body_bg.jpg

282 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 96% of them (27 requests) were addressed to the original Csb58.com, 4% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Csb58.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.2 kB (8%)

Content Size

671.8 kB

After Optimization

618.5 kB

In fact, the total size of Csb58.com main page is 671.8 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. 15% of websites need less resources to load. Images take 642.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 21.6 kB

  • Original 26.9 kB
  • After minification 25.9 kB
  • After compression 5.2 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 21.6 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 31.2 kB

  • Original 642.7 kB
  • After minification 611.5 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. Csb 58 images are well optimized though.

CSS Optimization

-16%

Potential reduce by 357 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 1.8 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. Csb58.com needs all CSS files to be minified and compressed as it can save up to 357 B or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (33%)

Requests Now

24

After Optimization

16

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csb 58. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

csb58.com accessibility score

68

Accessibility Issues

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

SEO Factors

csb58.com SEO score

58

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csb58.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 Csb58.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Csb 58. 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: