Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

58kt.com

58空调网 - 中央空调制冷产品在线交易平台

Page Load Speed

45.1 sec in total

First Response

12.9 sec

Resources Loaded

31.7 sec

Page Rendered

459 ms

58kt.com screenshot

About Website

Click here to check amazing 58 Kt content for China. Otherwise, check out these important facts you probably never knew about 58kt.com

58空调网是一家专注于暖通中央空调制冷行业的在线交易网站,包含各品牌家用中央空调,商用中央空调,中央空调主机,热泵,采暖,配件,厂家,经销商,代理商,工程商等

Visit 58kt.com

Key Findings

We analyzed 58kt.com page load time and found that the first response time was 12.9 sec and then it took 32.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

58kt.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.066

97/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

58kt.com

12905 ms

style.css

573 ms

main.css

569 ms

jquery-1.2.6.min.js

675 ms

index.js

574 ms

Our browser made a total of 347 requests to load all elements on the main page. We found that 89% of them (309 requests) were addressed to the original 58kt.com, 7% (24 requests) were made to 0 and 1% (4 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (16 sec) relates to the external source .

Page Optimization Overview & Recommendations

Page size can be reduced by 282.8 kB (47%)

Content Size

606.6 kB

After Optimization

323.8 kB

In fact, the total size of 58kt.com main page is 606.6 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. 65% of websites need less resources to load. Images take 235.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 90.6 kB

  • Original 106.5 kB
  • After minification 94.5 kB
  • After compression 15.9 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 12.0 kB, which is 11% 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 90.6 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 22.7 kB

  • Original 235.5 kB
  • After minification 212.8 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. 58 Kt images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 140.6 kB

  • Original 228.1 kB
  • After minification 226.5 kB
  • After compression 87.5 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 140.6 kB or 62% of the original size.

CSS Optimization

-79%

Potential reduce by 28.9 kB

  • Original 36.5 kB
  • After minification 32.6 kB
  • After compression 7.6 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. 58kt.com needs all CSS files to be minified and compressed as it can save up to 28.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (7%)

Requests Now

346

After Optimization

322

The browser has sent 346 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 58 Kt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

58kt.com accessibility score

42

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

58kt.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

58kt.com SEO score

62

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 58kt.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 58kt.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 58 Kt. 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: