Tools & Wizards About Us
4158899.com screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

4158899.com

Page Load Speed

19.8 sec in total

First Response

6.1 sec

Resources Loaded

12.8 sec

Page Rendered

861 ms

4158899.com screenshot

About Website

Welcome to 4158899.com homepage info - get ready to check 4158899 best content right away, or after learning these important things about 4158899.com

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Visit 4158899.com

Key Findings

We analyzed 4158899.com page load time and found that the first response time was 6.1 sec and then it took 13.7 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

4158899.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

4158899.com

6133 ms

public.css

433 ms

hero_public.css

435 ms

hero_header.css

448 ms

hero_index.css

669 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 33% of them (21 requests) were addressed to the original 4158899.com, 59% (37 requests) were made to Pic.ylc518.com and 3% (2 requests) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain 4158899.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 455.8 kB (27%)

Content Size

1.7 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4158899.com main page is 1.7 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. 25% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 59.5 kB

  • Original 66.5 kB
  • After minification 24.0 kB
  • After compression 6.9 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 42.5 kB, which is 64% 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 59.5 kB or 90% of the original size.

Image Optimization

-20%

Potential reduce by 292.8 kB

  • Original 1.5 MB
  • After minification 1.2 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. Obviously, 4158899 needs image optimization as it can save up to 292.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 63.9 kB

  • Original 99.4 kB
  • After minification 98.3 kB
  • After compression 35.4 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 63.9 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 39.6 kB

  • Original 48.3 kB
  • After minification 41.4 kB
  • After compression 8.7 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. 4158899.com needs all CSS files to be minified and compressed as it can save up to 39.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (27%)

Requests Now

62

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4158899. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

4158899.com

4158899.com

6133 ms

public.css

public.css

433 ms

hero_public.css

hero_public.css

435 ms

hero_header.css

hero_header.css

448 ms

hero_index.css

hero_index.css

669 ms

jj.js

jj.js

463 ms

tongji.js

tongji.js

244 ms

old.ylc518.com

old.ylc518.com

1155 ms

headerbg.jpg

headerbg.jpg

312 ms

logo.jpg

logo.jpg

288 ms

searchbg.jpg

searchbg.jpg

274 ms

logo26.png

logo26.png

489 ms

hero_bgnoise.png

hero_bgnoise.png

277 ms

hero_col3.png

hero_col3.png

255 ms

hero_col4.png

hero_col4.png

479 ms

banner_nc0311.jpg

banner_nc0311.jpg

2088 ms

bgbreadcrumb.jpg

bgbreadcrumb.jpg

504 ms

iconhome.gif

iconhome.gif

506 ms

bgbreadcrumb2.jpg

bgbreadcrumb2.jpg

535 ms

pic_32.jpg

pic_32.jpg

937 ms

bggengduo.jpg

bggengduo.jpg

777 ms

redline.gif

redline.gif

729 ms

17796579.js

17796579.js

4659 ms

miss.css

miss.css

687 ms

jquery.min.js

jquery.min.js

930 ms

new.js

new.js

717 ms

15947818.js

15947818.js

1071 ms

wu_03bg.jpg

wu_03bg.jpg

214 ms

x.png

x.png

224 ms

top_x1.png

top_x1.png

208 ms

pb-big.jpg

pb-big.jpg

1201 ms

pb-smll.jpg

pb-smll.jpg

895 ms

jinsha2.gif

jinsha2.gif

428 ms

hg.gif

hg.gif

645 ms

aomen1.gif

aomen1.gif

705 ms

bet278.gif

bet278.gif

901 ms

jj2.gif

jj2.gif

646 ms

hg2.gif

hg2.gif

1071 ms

jj858.gif

jj858.gif

889 ms

aomen2.gif

aomen2.gif

976 ms

bet277.gif

bet277.gif

1126 ms

yqh.gif

yqh.gif

1535 ms

1-14121Q14Q41Z.jpg

1-14121Q14Q41Z.jpg

1124 ms

1-1412222110400-L.jpg

1-1412222110400-L.jpg

1196 ms

1-1412222112330-L.jpg

1-1412222112330-L.jpg

1290 ms

1-1412222114330-L.jpg

1-1412222114330-L.jpg

1345 ms

1-1412222115230-L.jpg

1-1412222115230-L.jpg

1339 ms

1-14121Q445590-L.jpg

1-14121Q445590-L.jpg

1413 ms

pb-p.gif

pb-p.gif

1368 ms

close.gif

close.gif

1475 ms

1.png

1.png

1522 ms

2.png

2.png

1536 ms

header.png

header.png

1569 ms

bao.png

bao.png

1596 ms

1663481690_497142153.jpg

1663481690_497142153.jpg

1728 ms

1663481702_497142153.jpg

1663481702_497142153.jpg

1729 ms

1663481698_497142153.jpg

1663481698_497142153.jpg

1775 ms

1663481694_497142153.jpg

1663481694_497142153.jpg

1992 ms

footer.png

footer.png

1766 ms

common.jpg

common.jpg

2044 ms

jcrkPic.png

jcrkPic.png

2584 ms

icon_9.gif

icon_9.gif

601 ms

wpags

wpags

2059 ms

Accessibility Review

4158899.com accessibility score

86

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

Document doesn't have a <title> element

High

<frame> or <iframe> elements do not have a title

Best Practices

4158899.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

4158899.com SEO score

75

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

Document doesn't have a <title> element

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4158899.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that 4158899.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

4158899.com

Open Graph description is not detected on the main page of 4158899. 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: