Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

ic37.com

电子元器件-IC 电子元器件供求信息-芯三七-中国IC网-交易网--PDF资料-IC技术资料

Page Load Speed

11.4 sec in total

First Response

1 sec

Resources Loaded

10 sec

Page Rendered

342 ms

About Website

Click here to check amazing IC 37 content for Japan. Otherwise, check out these important facts you probably never knew about ic37.com

ic37.com专业IC交易平台,电子元器件网,并免费提供海量的电子元器件,IC型号Datasheet资料文件下载,中国IC网,芯三七

Visit ic37.com

Key Findings

We analyzed Ic37.com page load time and found that the first response time was 1 sec and then it took 10.3 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

ic37.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.112

86/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

ic37.com

1046 ms

www.ic37.com

1131 ms

public.css

1093 ms

home.css

1097 ms

font-awesome.min.css

1097 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Ic37.com, 34% (25 requests) were made to Public.ic37.com and 25% (18 requests) were made to Uploadfile.ic37.com. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Uploadfile.ic37.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 188.9 kB (6%)

Content Size

3.3 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ic37.com main page is 3.3 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. 50% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 91.5 kB

  • Original 123.6 kB
  • After minification 117.7 kB
  • After compression 32.1 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. 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 91.5 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 64.4 kB

  • Original 3.0 MB
  • After minification 2.9 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. IC 37 images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 9.7 kB

  • Original 163.6 kB
  • After minification 163.3 kB
  • After compression 154.0 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

-42%

Potential reduce by 23.4 kB

  • Original 56.1 kB
  • After minification 54.1 kB
  • After compression 32.7 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. Ic37.com needs all CSS files to be minified and compressed as it can save up to 23.4 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (30%)

Requests Now

70

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IC 37. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ic37.com accessibility score

64

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

ic37.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ic37.com SEO score

81

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ic37.com 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 Ic37.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

Open Graph description is not detected on the main page of IC 37. 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: