Tools & Wizards About Us
zhilei-tw.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

zhilei-tw.com

ZHILEI ENERGYTECH CO.,LTD.致磊能源科技有限公司

Page Load Speed

4.4 sec in total

First Response

575 ms

Resources Loaded

3.7 sec

Page Rendered

81 ms

zhilei-tw.com screenshot

About Website

Click here to check amazing ZHILEI Tw content. Otherwise, check out these important facts you probably never knew about zhilei-tw.com

ZHILEI ENERGYTECH CO.,LTD.致磊能源科技有限公司, a leading enterprise in the Environmental Industry from Taiwan. 

Visit zhilei-tw.com

Key Findings

We analyzed Zhilei-tw.com page load time and found that the first response time was 575 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zhilei-tw.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.9 s

53/100

10%

Network Requests Diagram

zhilei-tw.com

575 ms

zhilei-tw.com

778 ms

mm_css_menu.js

192 ms

index.css

384 ms

gtm.js

72 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 94% of them (44 requests) were addressed to the original Zhilei-tw.com, 4% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Zhilei-tw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.7 kB (32%)

Content Size

451.8 kB

After Optimization

305.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhilei-tw.com main page is 451.8 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. 15% of websites need less resources to load. Images take 416.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 13.2 kB

  • Original 16.7 kB
  • After minification 14.3 kB
  • After compression 3.5 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 2.4 kB, which is 15% 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 13.2 kB or 79% of the original size.

Image Optimization

-32%

Potential reduce by 133.0 kB

  • Original 416.5 kB
  • After minification 283.5 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, ZHILEI Tw needs image optimization as it can save up to 133.0 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 109 B

  • Original 17.7 kB
  • After minification 17.7 kB
  • After compression 17.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-46%

Potential reduce by 425 B

  • Original 928 B
  • After minification 928 B
  • After compression 503 B

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. Zhilei-tw.com needs all CSS files to be minified and compressed as it can save up to 425 B or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (18%)

Requests Now

45

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZHILEI Tw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

zhilei-tw.com

zhilei-tw.com

575 ms

zhilei-tw.com

zhilei-tw.com

778 ms

mm_css_menu.js

mm_css_menu.js

192 ms

index.css

index.css

384 ms

gtm.js

gtm.js

72 ms

index_r1_c1.png

index_r1_c1.png

428 ms

index_r2_c1.png

index_r2_c1.png

804 ms

index_r2_c6.png

index_r2_c6.png

582 ms

index_r2_c8.png

index_r2_c8.png

581 ms

index_r2_c9.png

index_r2_c9.png

588 ms

index_r2_c10.png

index_r2_c10.png

589 ms

index_r2_c11.png

index_r2_c11.png

617 ms

index_r3_c6.png

index_r3_c6.png

774 ms

index_r2_c12.png

index_r2_c12.png

774 ms

index_r4_c1.png

index_r4_c1.png

783 ms

index_r5_c2.png

index_r5_c2.png

1168 ms

index_r4_c2.gif

index_r4_c2.gif

994 ms

index_r5_c5.png

index_r5_c5.png

967 ms

index-about.jpg

index-about.jpg

1156 ms

index-02_r6_c2.png

index-02_r6_c2.png

978 ms

index_r7_c2.png

index_r7_c2.png

996 ms

index-02_r7_c3.png

index-02_r7_c3.png

1161 ms

index-02_r8_c3.png

index-02_r8_c3.png

1173 ms

index-02_r10_c3.png

index-02_r10_c3.png

1185 ms

index-02_r11_c3.png

index-02_r11_c3.png

1189 ms

index-02_r12_c3.png

index-02_r12_c3.png

1350 ms

index-02_r13_c3.png

index-02_r13_c3.png

1352 ms

index_r12_c3.png

index_r12_c3.png

1361 ms

index_r7_c4.png

index_r7_c4.png

1368 ms

idximg.gif

idximg.gif

1565 ms

index_r9_c5.png

index_r9_c5.png

1573 ms

index_r13_c1.png

index_r13_c1.png

1540 ms

mmmenu1_202x28_up.gif

mmmenu1_202x28_up.gif

1544 ms

ga.js

ga.js

19 ms

__utm.gif

__utm.gif

12 ms

about_r2_c5_f2.png

about_r2_c5_f2.png

192 ms

about_r2_c5_f4.png

about_r2_c5_f4.png

196 ms

about_r2_c5_f3.png

about_r2_c5_f3.png

197 ms

about_r2_c6_f2.png

about_r2_c6_f2.png

197 ms

about_r2_c6_f4.png

about_r2_c6_f4.png

194 ms

about_r2_c6_f3.png

about_r2_c6_f3.png

193 ms

about_r2_c8_f2.png

about_r2_c8_f2.png

383 ms

about_r2_c8_f4.png

about_r2_c8_f4.png

386 ms

about_r2_c8_f3.png

about_r2_c8_f3.png

385 ms

about_r2_c10_f2.png

about_r2_c10_f2.png

388 ms

about_r2_c10_f4.png

about_r2_c10_f4.png

390 ms

about_r2_c10_f3.png

about_r2_c10_f3.png

391 ms

Accessibility Review

zhilei-tw.com accessibility score

58

Accessibility Issues

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

Links do not have a discernible name

Best Practices

zhilei-tw.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

zhilei-tw.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhilei-tw.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Zhilei-tw.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

zhilei-tw.com

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