Tools & Wizards About Us
jlc-shop.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 27

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jlc-shop.com

立创商城_一站式电子元器件采购自营商城_现货元器件交易网-嘉立创电子商城

Page Load Speed

19.1 sec in total

First Response

702 ms

Resources Loaded

18 sec

Page Rendered

333 ms

jlc-shop.com screenshot

About Website

Welcome to jlc-shop.com homepage info - get ready to check Jlc Shop best content right away, or after learning these important things about jlc-shop.com

立创商城(SZLCSC.COM) 一站式电子元器件采购自营商城，拥有约10万平米智能化仓储，现货SKU近50万种，原装正品，最快4小时发货，为用户提供一站式电子元器件线上采购服务。嘉立创集团提供“PCB设计软件、PCB智造、元器件商城、 激光钢网、SMT贴片”为一体的电子全产业链服务，助力全球硬件创新。

Visit jlc-shop.com

Key Findings

We analyzed Jlc-shop.com page load time and found that the first response time was 702 ms and then it took 18.4 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

jlc-shop.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value39.5 s

0/100

25%

SI (Speed Index)

Value20.7 s

0/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.252

49/100

15%

TTI (Time to Interactive)

Value29.6 s

0/100

10%

Network Requests Diagram

jlc-shop.com

702 ms

www.szlcsc.com

3397 ms

index.c3f9e876.css

1513 ms

stock-index.css

1543 ms

781ee31b-760c-43db-b11f-2721e049101b_%E5%98%89%E7%AB%8B%E5%88%9Blogo%402x.png.png

920 ms

Our browser made a total of 207 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Jlc-shop.com, 42% (86 requests) were made to Static.szlcsc.com and 17% (35 requests) were made to Alimg.szlcsc.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Passport.jlc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (28%)

Content Size

7.8 MB

After Optimization

5.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jlc-shop.com main page is 7.8 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. 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. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 311.8 kB

  • Original 354.4 kB
  • After minification 324.1 kB
  • After compression 42.6 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 311.8 kB or 88% of the original size.

Image Optimization

-10%

Potential reduce by 553.5 kB

  • Original 5.6 MB
  • After minification 5.0 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. Jlc Shop images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 1.3 MB

  • Original 1.8 MB
  • After minification 1.8 MB
  • After compression 487.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.3 MB or 73% of the original size.

CSS Optimization

-0%

Potential reduce by 230 B

  • Original 74.1 kB
  • After minification 74.1 kB
  • After compression 73.8 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. Jlc-shop.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (28%)

Requests Now

179

After Optimization

129

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 179 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jlc Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jlc-shop.com

jlc-shop.com

702 ms

www.szlcsc.com

www.szlcsc.com

3397 ms

index.c3f9e876.css

index.c3f9e876.css

1513 ms

stock-index.css

stock-index.css

1543 ms

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920 ms

top-adv-default-img.jpg

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371 ms

arrow.svg

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360 ms

01.svg

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357 ms

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359 ms

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948 ms

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1094 ms

new.png

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938 ms

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944 ms

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948 ms

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947 ms

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1117 ms

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1152 ms

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1158 ms

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1170 ms

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351 ms

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1951 ms

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1668 ms

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156 ms

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69 ms

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76 ms

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69 ms

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74 ms

phone.svg

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70 ms

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72 ms

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70 ms

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81 ms

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add

1313 ms

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970 ms

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Accessibility Review

jlc-shop.com accessibility score

27

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

Form elements do not have associated labels

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

jlc-shop.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

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

jlc-shop.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

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

jlc-shop.com

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