Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 38

    SEO

    Google-friendlier than
    18% of websites

sulavsale.com

19体育官方网站(中国)有限公司

Page Load Speed

5 sec in total

First Response

758 ms

Resources Loaded

4 sec

Page Rendered

284 ms

sulavsale.com screenshot

About Website

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

19体育官方网站,19体育官方网站中国有限公司成立1988年,企业注册资金7亿元,总资本78亿元。位于江苏省徐州市经济技术开发区徐海路60号(京福高速徐州东出口3000米) ,境内公路、铁路四通八达,交通便利。本公司专业从事矿山机电产品研制开发、生产制造、销售服务为一体的企业,与全国各大煤炭,冶金设计院和中国矿业大学建立了良好的技术协作关系。是全国煤矿专用设备及配件产品定点生产单位。公司始终坚持“...

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Key Findings

We analyzed Sulavsale.com page load time and found that the first response time was 758 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sulavsale.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value11.1 s

5/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.126

83/100

15%

TTI (Time to Interactive)

Value5.9 s

65/100

10%

Network Requests Diagram

sulavsale.com

758 ms

v_15_a85e4a15a31964c9d7a36f71017fb8aa_all.css

295 ms

css

27 ms

v_27_5e17e4e2fa5605d34a497cda83925622.js

365 ms

eb-ease-bazaar-logo-1430673909.jpg

11 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 42% of them (30 requests) were addressed to the original Sulavsale.com, 28% (20 requests) were made to Static.xx.fbcdn.net and 13% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (935 ms) belongs to the original domain Sulavsale.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.4 kB (69%)

Content Size

145.5 kB

After Optimization

45.1 kB

In fact, the total size of Sulavsale.com main page is 145.5 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. 55% of websites need less resources to load. HTML takes 81.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 66.9 kB

  • Original 81.5 kB
  • After minification 81.5 kB
  • After compression 14.6 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. 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 66.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 8.3 kB
  • After minification 8.3 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. Sulavsale images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 33.5 kB

  • Original 55.7 kB
  • After minification 55.7 kB
  • After compression 22.2 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 33.5 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (39%)

Requests Now

67

After Optimization

41

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sulavsale. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sulavsale.com accessibility score

58

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best Practices

sulavsale.com best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sulavsale.com SEO score

38

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sulavsale.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Sulavsale.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 Sulavsale. 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: