Tools & Wizards About Us
wtlcrystals.en.alibaba.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

wtlcrystals.en.alibaba.com

WTL International Limited - Crystal resonator, Crystal oscillator

Page Load Speed

3 sec in total

First Response

92 ms

Resources Loaded

2.6 sec

Page Rendered

253 ms

wtlcrystals.en.alibaba.com screenshot

About Website

Visit wtlcrystals.en.alibaba.com now to see the best up-to-date WTL Crystal S En Alibaba content for China and also check out these interesting facts you probably never knew about wtlcrystals.en.alibaba.com

WTL International Limited, Experts in Manufacturing and Exporting Crystal resonator, Crystal oscillator and 0 more Products.

Visit wtlcrystals.en.alibaba.com

Key Findings

We analyzed Wtlcrystals.en.alibaba.com page load time and found that the first response time was 92 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

wtlcrystals.en.alibaba.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value8,290 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.542

13/100

15%

TTI (Time to Interactive)

Value29.0 s

0/100

10%

Network Requests Diagram

wtlcrystals.en.alibaba.com

92 ms

wtlcrystals.en.alibaba.com

744 ms

74 ms

71 ms

header.css

111 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Wtlcrystals.en.alibaba.com, 34% (32 requests) were made to S.alicdn.com and 15% (14 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 MB (62%)

Content Size

6.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wtlcrystals.en.alibaba.com main page is 6.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 470.6 kB

  • Original 570.4 kB
  • After minification 566.5 kB
  • After compression 99.8 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 470.6 kB or 82% of the original size.

Image Optimization

-46%

Potential reduce by 177.2 kB

  • Original 386.5 kB
  • After minification 209.3 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, WTL Crystal S En Alibaba needs image optimization as it can save up to 177.2 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 3.2 MB

  • Original 5.3 MB
  • After minification 5.3 MB
  • After compression 2.1 MB

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 3.2 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 284.0 kB

  • Original 395.6 kB
  • After minification 344.8 kB
  • After compression 111.7 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. Wtlcrystals.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.0 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (55%)

Requests Now

84

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WTL Crystal S En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wtlcrystals.en.alibaba.com

wtlcrystals.en.alibaba.com

92 ms

wtlcrystals.en.alibaba.com

wtlcrystals.en.alibaba.com

744 ms

74 ms

71 ms

header.css

header.css

111 ms

header.js

header.js

107 ms

119 ms

web-index.css

web-index.css

108 ms

web-index.css

web-index.css

107 ms

web-index.css

web-index.css

119 ms

web-index.css

web-index.css

120 ms

web-index.css

web-index.css

120 ms

110 ms

106 ms

index.js

index.js

105 ms

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388 ms

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H7d6eb719d0814aecaac964da9578077eh.jpg

374 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

519 ms

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258 ms

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678 ms

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678 ms

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676 ms

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678 ms

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518 ms

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1144 ms

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733 ms

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851 ms

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1002 ms

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865 ms

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973 ms

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1001 ms

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824 ms

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694 ms

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1510 ms

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Ha70e658b5d41479bb47334d3b8d1d668N.jpg

1370 ms

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Hbe7b655c2f5b4ec8b58e49d68dd060bas.jpg

697 ms

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H521d41fbe3e445f690c24dd0ad80df3cm.jpg

823 ms

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970 ms

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1118 ms

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1059 ms

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1183 ms

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1368 ms

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1548 ms

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1547 ms

100 ms

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TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

136 ms

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100 ms

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253 ms

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O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

838 ms

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1022 ms

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Hbf8a43bf02584f65ad1b2f42ac52249cN.jpg

1132 ms

roboto-regular.woff

roboto-regular.woff

127 ms

roboto-medium.woff

roboto-medium.woff

90 ms

roboto-light.woff

roboto-light.woff

242 ms

roboto-thin.woff

roboto-thin.woff

223 ms

roboto-bold.woff

roboto-bold.woff

215 ms

personTipsInfo.do

personTipsInfo.do

274 ms

awsc.js

awsc.js

217 ms

156 ms

icon-font.woff

icon-font.woff

63 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

147 ms

footer.css

footer.css

57 ms

76 ms

eg.js

eg.js

110 ms

light0.5x.png

light0.5x.png

53 ms

pages_version.html

pages_version.html

297 ms

defer-common.js

defer-common.js

164 ms

i.alicdn.com

i.alicdn.com

161 ms

index.js

index.js

45 ms

et_n.js

et_n.js

34 ms

um.js

um.js

114 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

113 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

292 ms

index.js

index.js

228 ms

index.js

index.js

169 ms

index.js

index.js

169 ms

sc.globalxman.appscene

sc.globalxman.appscene

41 ms

7.gif

7.gif

166 ms

wu.json

wu.json

195 ms

index.js

index.js

125 ms

store-proxy.html

store-proxy.html

146 ms

countryCurrencyDataService

countryCurrencyDataService

254 ms

personRoleInfo.do

personRoleInfo.do

114 ms

notification.do

notification.do

227 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

34 ms

index.web.css

index.web.css

42 ms

index.web.js

index.web.js

66 ms

baxiaCommon.js

baxiaCommon.js

54 ms

rp

rp

1339 ms

availableSurveyQuery.json

availableSurveyQuery.json

61 ms

index.css

index.css

43 ms

um.json

um.json

60 ms

iconfont.woff

iconfont.woff

3 ms

iconfont.woff

iconfont.woff

4 ms

getUmid.do

getUmid.do

44 ms

Accessibility Review

wtlcrystals.en.alibaba.com accessibility score

66

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

wtlcrystals.en.alibaba.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

wtlcrystals.en.alibaba.com SEO score

71

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 doesn't have a valid hreflang

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wtlcrystals.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Wtlcrystals.en.alibaba.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

wtlcrystals.en.alibaba.com

Open Graph data is detected on the main page of WTL Crystal S En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: