Tools & Wizards About Us

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

rocmachine.com

鞋厂立体流水线,立体流水线,后跟定型机,制鞋整厂设备,前帮机,后帮机,削皮机,钉跟机,中后帮机,意大利鞋机,德士隆鞋机,意大利鞋机-广州市大鹏机器有限公司

Page Load Speed

15.6 sec in total

First Response

2.3 sec

Resources Loaded

13.1 sec

Page Rendered

203 ms

About Website

Click here to check amazing Rocmachine content for China. Otherwise, check out these important facts you probably never knew about rocmachine.com

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Key Findings

We analyzed Rocmachine.com page load time and found that the first response time was 2.3 sec and then it took 13.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rocmachine.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.202

61/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

rocmachine.com

2256 ms

Style.css

890 ms

jquery-1.7.2.min.js

1165 ms

jquery.cxslide.min.js

867 ms

jquery.cxscroll.min.js

770 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 35% of them (29 requests) were addressed to the original Rocmachine.com, 49% (41 requests) were made to Resource.acshoes.com and 12% (10 requests) were made to Skinspath.acshoes.com. The less responsive or slowest element that took the longest time to load (10.3 sec) relates to the external source Resource.acshoes.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 192.3 kB (18%)

Content Size

1.0 MB

After Optimization

854.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rocmachine.com main page is 1.0 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. 30% of websites need less resources to load. Images take 872.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 84.2 kB

  • Original 98.2 kB
  • After minification 77.0 kB
  • After compression 13.9 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 21.2 kB, which is 22% 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 84.2 kB or 86% of the original size.

Image Optimization

-9%

Potential reduce by 75.9 kB

  • Original 872.5 kB
  • After minification 796.6 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. Rocmachine images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 16.1 kB

  • Original 55.2 kB
  • After minification 50.5 kB
  • After compression 39.2 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 16.1 kB or 29% of the original size.

CSS Optimization

-79%

Potential reduce by 16.1 kB

  • Original 20.5 kB
  • After minification 17.6 kB
  • After compression 4.4 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. Rocmachine.com needs all CSS files to be minified and compressed as it can save up to 16.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (5%)

Requests Now

78

After Optimization

74

  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rocmachine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rocmachine.com accessibility score

62

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.

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

rocmachine.com best practices score

75

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

rocmachine.com SEO score

79

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 Rocmachine.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 Rocmachine.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 Rocmachine. 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: