Tools & Wizards About Us
yztw.net screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 50

    SEO

    Google-friendlier than
    19% of websites

yztw.net

扬州锐吉科技有限公司--专业提供域名注册,虚拟主机,网站建设,企业上网,视频监控,一卡通,网络工程等

Page Load Speed

20.7 sec in total

First Response

8.3 sec

Resources Loaded

12.3 sec

Page Rendered

94 ms

yztw.net screenshot

About Website

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

提供域名注册,虚拟主机,网站建设,网站制作,企业邮局,企业网站设计,网络系统集成,综合布线及视频监控系统的设计、安装等业务

Visit yztw.net

Key Findings

We analyzed Yztw.net page load time and found that the first response time was 8.3 sec and then it took 12.4 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

yztw.net performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

yztw.net

8288 ms

Style.css

219 ms

dl.js

433 ms

jquery.js

1948 ms

jts.js

472 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 82% of them (31 requests) were addressed to the original Yztw.net, 8% (3 requests) were made to Wpa.qq.com and 8% (3 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (8.3 sec) belongs to the original domain Yztw.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.6 kB (42%)

Content Size

112.0 kB

After Optimization

65.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yztw.net main page is 112.0 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. 20% of websites need less resources to load. Javascripts take 53.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 13.4 kB

  • Original 18.6 kB
  • After minification 17.4 kB
  • After compression 5.2 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. 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 13.4 kB or 72% of the original size.

Image Optimization

-56%

Potential reduce by 20.8 kB

  • Original 36.9 kB
  • After minification 16.1 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. Obviously, Yztw needs image optimization as it can save up to 20.8 kB or 56% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-21%

Potential reduce by 11.3 kB

  • Original 53.1 kB
  • After minification 53.1 kB
  • After compression 41.8 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 11.3 kB or 21% of the original size.

CSS Optimization

-30%

Potential reduce by 977 B

  • Original 3.3 kB
  • After minification 3.3 kB
  • After compression 2.3 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. Yztw.net needs all CSS files to be minified and compressed as it can save up to 977 B or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (45%)

Requests Now

31

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yztw. 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

yztw.net

yztw.net

8288 ms

Style.css

Style.css

219 ms

dl.js

dl.js

433 ms

jquery.js

jquery.js

1948 ms

jts.js

jts.js

472 ms

mootools.js

mootools.js

1307 ms

menu.js

menu.js

1384 ms

menu.css

menu.css

1453 ms

govicon.js

govicon.js

86 ms

pa

pa

627 ms

pa

pa

629 ms

rjlogo.png

rjlogo.png

1268 ms

rjgs.png

rjgs.png

1920 ms

box_l.gif

box_l.gif

1400 ms

index_product.gif

index_product.gif

1450 ms

index_news.gif

index_news.gif

1504 ms

index_service.gif

index_service.gif

1638 ms

box_r.gif

box_r.gif

1664 ms

%E5%A4%87%E6%A1%88%E5%9B%BE%E6%A0%87.png

%E5%A4%87%E6%A1%88%E5%9B%BE%E6%A0%87.png

1745 ms

pa

pa

415 ms

kefu_up.gif

kefu_up.gif

2230 ms

kefu_middle.gif

kefu_middle.gif

2815 ms

phonetitle.gif

phonetitle.gif

1731 ms

kefu_down.gif

kefu_down.gif

1761 ms

top_tts.jpg

top_tts.jpg

1541 ms

mue_bg.jpg

mue_bg.jpg

417 ms

menu_home.png

menu_home.png

1281 ms

menu_plantatree.png

menu_plantatree.png

634 ms

top_t1.jpg

top_t1.jpg

851 ms

box_bj.gif

box_bj.gif

1505 ms

index_lm.gif

index_lm.gif

1065 ms

index_k_bj.gif

index_k_bj.gif

1264 ms

index_l.gif

index_l.gif

1497 ms

index_k_bottom.gif

index_k_bottom.gif

2001 ms

end_bj.gif

end_bj.gif

1480 ms

button_11.gif

button_11.gif

917 ms

button_11.gif

button_11.gif

932 ms

button_11.gif

button_11.gif

918 ms

Accessibility Review

yztw.net accessibility score

60

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

<object> elements do not have alternate text

Best Practices

yztw.net 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

SEO Factors

yztw.net SEO score

50

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yztw.net 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 Yztw.net main page’s claimed encoding is gb2312. 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

yztw.net

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