Tools & Wizards About Us
k518.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

k518.com

K518信息网|免费发布分类信息的网站平台|快我要发网|免费发布供求信息、免费发布广告、免费发布分类信息等信息

Page Load Speed

24.2 sec in total

First Response

1.4 sec

Resources Loaded

22.4 sec

Page Rendered

418 ms

k518.com screenshot

About Website

Click here to check amazing K 518 content for China. Otherwise, check out these important facts you probably never knew about k518.com

K518快我要发免费发布信息网是中国领先的免费发布供求信息B2B电子商务与免费发布分类信息网站,您可以发布企业商贸供求信息、生活服务分类信息、免费发布广告信息,汇集海量免费企业黄页信息、供求信息，企业可以免费发布供求信息、免费发布信息、免费发布产品信息。

Visit k518.com

Key Findings

We analyzed K518.com page load time and found that the first response time was 1.4 sec and then it took 22.8 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.

Performance Metrics

k518.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

k518.com

1368 ms

www.k518.com

18555 ms

tutu.css

8901 ms

tools.js

6699 ms

tools_my.js

7664 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 73% of them (11 requests) were addressed to the original K518.com, 20% (3 requests) were made to Js.users.51.la and 7% (1 request) were made to Icon.51.la. The less responsive or slowest element that took the longest time to load (18.6 sec) belongs to the original domain K518.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.7 kB (77%)

Content Size

66.1 kB

After Optimization

15.4 kB

  • HTML
  • JavaScript

In fact, the total size of K518.com main page is 66.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 58.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 46.6 kB

  • Original 58.9 kB
  • After minification 57.1 kB
  • After compression 12.3 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 46.6 kB or 79% of the original size.

JavaScript Optimization

-57%

Potential reduce by 4.1 kB

  • Original 7.1 kB
  • After minification 7.0 kB
  • After compression 3.1 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 4.1 kB or 57% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (31%)

Requests Now

13

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of K 518. 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

k518.com

k518.com

1368 ms

www.k518.com

www.k518.com

18555 ms

tutu.css

tutu.css

8901 ms

tools.js

tools.js

6699 ms

tools_my.js

tools_my.js

7664 ms

logo2.gif

logo2.gif

3049 ms

sdfersdfdsf.gif

sdfersdfdsf.gif

3400 ms

asdsadv.gif

asdsadv.gif

460 ms

sfc.gif

sfc.gif

541 ms

33sc.gif

33sc.gif

751 ms

exv.gif

exv.gif

915 ms

5045284.js

5045284.js

899 ms

17440423.js

17440423.js

903 ms

18718891.js

18718891.js

1047 ms

icon_0.gif

icon_0.gif

767 ms

Accessibility Review

k518.com accessibility score

51

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

k518.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

k518.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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise K518.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 K518.com main page’s claimed encoding is . 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

k518.com

Open Graph description is not detected on the main page of K 518. 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: