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doroller.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

doroller.com

Henan Zhongyuan Roller Co., Ltd.-h-efficient vibrating sifter,package machine,destoner,wheat scourer

Page Load Speed

2.7 sec in total

First Response

355 ms

Resources Loaded

2.1 sec

Page Rendered

244 ms

doroller.com screenshot

About Website

Click here to check amazing Do Roller content. Otherwise, check out these important facts you probably never knew about doroller.com

Henan Zhongyuan Roller Co., Ltd is main contractor and manufacturer of food processing equipment in the national

Visit doroller.com

Key Findings

We analyzed Doroller.com page load time and found that the first response time was 355 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

doroller.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.217

57/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

doroller.com

355 ms

style.css

67 ms

animate.css

121 ms

js-sdk-pro.min.js

877 ms

search_news1.js

119 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Doroller.com, 3% (1 request) were made to Sdk.51.la and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (877 ms) relates to the external source Sdk.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.6 kB (3%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doroller.com main page is 1.8 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.3 kB

  • Original 29.9 kB
  • After minification 24.1 kB
  • After compression 6.6 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 5.8 kB, which is 19% 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 23.3 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 27.2 kB

  • Original 1.7 MB
  • After minification 1.7 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. Do Roller images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 5.3 kB

  • Original 46.1 kB
  • After minification 46.1 kB
  • After compression 40.8 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 5.3 kB or 12% of the original size.

CSS Optimization

-30%

Potential reduce by 4.9 kB

  • Original 16.2 kB
  • After minification 16.2 kB
  • After compression 11.3 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. Doroller.com needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (11%)

Requests Now

36

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Do Roller. 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

doroller.com

doroller.com

355 ms

style.css

style.css

67 ms

animate.css

animate.css

121 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

877 ms

search_news1.js

search_news1.js

119 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

216 ms

jquery.superslide.2.1.1.js

jquery.superslide.2.1.1.js

125 ms

wow.min.js

wow.min.js

126 ms

gtm.js

gtm.js

98 ms

icon.png

icon.png

122 ms

whatapp_01.png

whatapp_01.png

61 ms

logo.jpg

logo.jpg

61 ms

-teff-four-mill-.jpg

-teff-four-mill-.jpg

370 ms

banner1(1).jpg

banner1(1).jpg

296 ms

banner02.jpg

banner02.jpg

327 ms

banner04.jpg

banner04.jpg

416 ms

index_ab2.jpg

index_ab2.jpg

212 ms

index_ab1.jpg

index_ab1.jpg

244 ms

index_ab3.jpg

index_ab3.jpg

287 ms

shouyepic_1.jpg

shouyepic_1.jpg

324 ms

shouyepic_2.jpg

shouyepic_2.jpg

373 ms

shouyepic_5.jpg

shouyepic_5.jpg

371 ms

shouyepic_3.jpg

shouyepic_3.jpg

407 ms

shouyepic_4.jpg

shouyepic_4.jpg

395 ms

diamond-group-canton-fair-2018.jpg

diamond-group-canton-fair-2018.jpg

433 ms

diamond-grain-milling-machine.jpg

diamond-grain-milling-machine.jpg

445 ms

corn-syrup.jpg

corn-syrup.jpg

452 ms

combined-small-flour-mill-plant.jpg

combined-small-flour-mill-plant.jpg

465 ms

flour-mill-plant(1).jpg

flour-mill-plant(1).jpg

529 ms

flour-mill-equipment.jpg

flour-mill-equipment.jpg

479 ms

algeria-grain-flour-mill-plant.jpg

algeria-grain-flour-mill-plant.jpg

509 ms

small-flour-mill-machine.jpg

small-flour-mill-machine.jpg

517 ms

corn-flour-milling.jpg

corn-flour-milling.jpg

525 ms

small-scale-flour-mill-machine.jpg

small-scale-flour-mill-machine.jpg

535 ms

logo2.png

logo2.png

538 ms

index_prod_bj.png

index_prod_bj.png

552 ms

index_servi.jpg

index_servi.jpg

582 ms

Raleway-Bold.woff

Raleway-Bold.woff

605 ms

Accessibility Review

doroller.com accessibility score

39

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

Form elements do not have associated labels

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

doroller.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

SEO Factors

doroller.com SEO score

74

Search Engine Optimization Advices

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doroller.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Doroller.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

doroller.com

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