Tools & Wizards About Us
zhilei-tw.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% 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
    25% of websites

zhilei-tw.com

ZHILEI ENERGYTECH CO.,LTD.致磊能源科技有限公司

Page Load Speed

4.2 sec in total

First Response

660 ms

Resources Loaded

3.5 sec

Page Rendered

90 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 660 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zhilei-tw.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

zhilei-tw.com

660 ms

mm_css_menu.js

214 ms

index.css

431 ms

gtm.js

65 ms

index_r1_c1.png

430 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 88% of them (43 requests) were addressed to the original Zhilei-tw.com, 4% (2 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zhilei-tw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.5 kB (32%)

Content Size

454.5 kB

After Optimization

307.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhilei-tw.com main page is 454.5 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. 25% of websites need less resources to load. Images take 416.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 13.9 kB

  • Original 18.0 kB
  • After minification 15.6 kB
  • After compression 4.1 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 13% 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 13.9 kB or 77% 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 183 B

  • Original 19.1 kB
  • After minification 19.1 kB
  • After compression 18.9 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 13 (27%)

Requests Now

48

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 48 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 from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zhilei-tw.com

zhilei-tw.com

660 ms

mm_css_menu.js

mm_css_menu.js

214 ms

index.css

index.css

431 ms

gtm.js

gtm.js

65 ms

index_r1_c1.png

index_r1_c1.png

430 ms

index_r2_c1.png

index_r2_c1.png

648 ms

index_r2_c6.png

index_r2_c6.png

392 ms

index_r2_c8.png

index_r2_c8.png

432 ms

index_r2_c9.png

index_r2_c9.png

430 ms

index_r2_c10.png

index_r2_c10.png

434 ms

index_r2_c11.png

index_r2_c11.png

585 ms

index_r3_c6.png

index_r3_c6.png

642 ms

index_r2_c12.png

index_r2_c12.png

642 ms

index_r4_c1.png

index_r4_c1.png

644 ms

index_r5_c2.png

index_r5_c2.png

1070 ms

index_r4_c2.gif

index_r4_c2.gif

1156 ms

index_r5_c5.png

index_r5_c5.png

858 ms

index-about.jpg

index-about.jpg

1066 ms

index-02_r6_c2.png

index-02_r6_c2.png

857 ms

index_r7_c2.png

index_r7_c2.png

861 ms

index-02_r7_c3.png

index-02_r7_c3.png

1070 ms

index-02_r8_c3.png

index-02_r8_c3.png

1070 ms

index-02_r10_c3.png

index-02_r10_c3.png

1077 ms

index-02_r11_c3.png

index-02_r11_c3.png

1282 ms

index-02_r12_c3.png

index-02_r12_c3.png

1285 ms

index-02_r13_c3.png

index-02_r13_c3.png

1284 ms

index_r12_c3.png

index_r12_c3.png

1283 ms

index_r7_c4.png

index_r7_c4.png

1293 ms

idximg.gif

idximg.gif

1728 ms

index_r9_c5.png

index_r9_c5.png

1913 ms

index_r13_c1.png

index_r13_c1.png

1499 ms

mmmenu1_202x28_up.gif

mmmenu1_202x28_up.gif

1495 ms

ga.js

ga.js

10 ms

__utm.gif

__utm.gif

11 ms

js

js

53 ms

31 ms

94 ms

about_r2_c5_f2.png

about_r2_c5_f2.png

217 ms

about_r2_c5_f4.png

about_r2_c5_f4.png

229 ms

about_r2_c5_f3.png

about_r2_c5_f3.png

222 ms

about_r2_c6_f2.png

about_r2_c6_f2.png

217 ms

about_r2_c6_f4.png

about_r2_c6_f4.png

195 ms

about_r2_c6_f3.png

about_r2_c6_f3.png

216 ms

about_r2_c8_f2.png

about_r2_c8_f2.png

388 ms

about_r2_c8_f4.png

about_r2_c8_f4.png

431 ms

about_r2_c8_f3.png

about_r2_c8_f3.png

429 ms

about_r2_c10_f2.png

about_r2_c10_f2.png

430 ms

about_r2_c10_f4.png

about_r2_c10_f4.png

436 ms

about_r2_c10_f3.png

about_r2_c10_f3.png

443 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: