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yy90.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

yy90.com

吊车-小型吊车_小吊车_济宁吊车厂家直销政府指定单位-山东胜强吊车有限公司 WWW.YY90.COM

Page Load Speed

26.5 sec in total

First Response

1.6 sec

Resources Loaded

23.7 sec

Page Rendered

1.2 sec

yy90.com screenshot

About Website

Click here to check amazing YY90 content. Otherwise, check out these important facts you probably never knew about yy90.com

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Visit yy90.com

Key Findings

We analyzed Yy90.com page load time and found that the first response time was 1.6 sec and then it took 24.9 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

yy90.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.594

11/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

yy90.com

1620 ms

metinfo_ui.css

433 ms

metinfo.css

430 ms

jQuery1.7.2.js

653 ms

metinfo_ui.js

437 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that all of those requests were addressed to Yy90.com and no external sources were called. The less responsive or slowest element that took the longest time to load (18.5 sec) belongs to the original domain Yy90.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 201.1 kB (3%)

Content Size

6.8 MB

After Optimization

6.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yy90.com main page is 6.8 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. 70% of websites need less resources to load. Images take 6.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 30.8 kB

  • Original 38.0 kB
  • After minification 33.9 kB
  • After compression 7.2 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 4.1 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 30.8 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 154.3 kB

  • Original 6.7 MB
  • After minification 6.5 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. YY90 images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 12.4 kB

  • Original 59.2 kB
  • After minification 59.2 kB
  • After compression 46.8 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 12.4 kB or 21% of the original size.

CSS Optimization

-32%

Potential reduce by 3.5 kB

  • Original 10.9 kB
  • After minification 10.9 kB
  • After compression 7.4 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. Yy90.com needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (6%)

Requests Now

70

After Optimization

66

  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of YY90. 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

yy90.com

yy90.com

1620 ms

metinfo_ui.css

metinfo_ui.css

433 ms

metinfo.css

metinfo.css

430 ms

jQuery1.7.2.js

jQuery1.7.2.js

653 ms

metinfo_ui.js

metinfo_ui.js

437 ms

flexslider.css

flexslider.css

436 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

484 ms

custom.js

custom.js

644 ms

fun.inc.js

fun.inc.js

644 ms

index_01.jpg

index_01.jpg

657 ms

3.jpg

3.jpg

2960 ms

1.png

1.png

11122 ms

2.jpg

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18474 ms

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3990 ms

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9139 ms

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8816 ms

dh_1.gif

dh_1.gif

3389 ms

dh_2.gif

dh_2.gif

3604 ms

dh_3.gif

dh_3.gif

3819 ms

dh_4.gif

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4040 ms

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10021 ms

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10468 ms

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8687 ms

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8644 ms

search.png

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7396 ms

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8357 ms

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7393 ms

cpr.png

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7392 ms

48.jpg

48.jpg

9530 ms

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6964 ms

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7739 ms

Link.png

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6752 ms

arrows.png

arrows.png

6793 ms

Accessibility Review

yy90.com accessibility score

56

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.

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

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

yy90.com best practices score

83

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

SEO Factors

yy90.com SEO score

74

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

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

High

Tap targets are not sized appropriately

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 Yy90.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 Yy90.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

yy90.com

Open Graph description is not detected on the main page of YY90. 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: