Tools & Wizards About Us
ic37.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% 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

18.4 sec in total

First Response

3.9 sec

Resources Loaded

14.2 sec

Page Rendered

239 ms

ic37.com screenshot

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 3.9 sec and then it took 14.5 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

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.112

86/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

ic37.com

3922 ms

www.ic37.com

2811 ms

css.css

1779 ms

default.css

1365 ms

index.js

548 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 58% of them (41 requests) were addressed to the original Ic37.com, 39% (28 requests) were made to Download.ic37.com and 1% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Ic37.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 377.6 kB (28%)

Content Size

1.3 MB

After Optimization

968.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ic37.com main page is 1.3 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. 15% of websites need less resources to load. Images take 872.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 107.3 kB

  • Original 124.9 kB
  • After minification 116.7 kB
  • After compression 17.6 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 107.3 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 12.3 kB

  • Original 872.5 kB
  • After minification 860.2 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. IC 37 images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 156.7 kB

  • Original 227.8 kB
  • After minification 212.6 kB
  • After compression 71.1 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 156.7 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 101.3 kB

  • Original 120.4 kB
  • After minification 105.8 kB
  • After compression 19.2 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 101.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (58%)

Requests Now

67

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 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 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ic37.com

ic37.com

3922 ms

www.ic37.com

www.ic37.com

2811 ms

css.css

css.css

1779 ms

default.css

default.css

1365 ms

index.js

index.js

548 ms

jquery.js

jquery.js

1629 ms

ajax.js

ajax.js

837 ms

icsearch.js

icsearch.js

845 ms

copyrightnews.js

copyrightnews.js

268 ms

head.css

head.css

266 ms

css.css

css.css

540 ms

advflash.js

advflash.js

281 ms

link.js

link.js

282 ms

search.js

search.js

549 ms

MSClass.js

MSClass.js

304 ms

img.js

img.js

284 ms

logo.jpg

logo.jpg

280 ms

1622920403017550_small.jpg

1622920403017550_small.jpg

280 ms

1622917285529055_small.jpg

1622917285529055_small.jpg

278 ms

1622916303677827_small.jpg

1622916303677827_small.jpg

287 ms

162291612717706_small.jpg

162291612717706_small.jpg

279 ms

1622915283059416_small.jpg

1622915283059416_small.jpg

290 ms

1622914373150594_small.jpg

1622914373150594_small.jpg

279 ms

1622811351127908_small.jpg

1622811351127908_small.jpg

563 ms

162272385060304_small.jpg

162272385060304_small.jpg

565 ms

1622712244216927_small.jpg

1622712244216927_small.jpg

564 ms

1622611335335165_small.jpg

1622611335335165_small.jpg

565 ms

1622611205262808_small.jpg

1622611205262808_small.jpg

579 ms

162260241977413_small.gif

162260241977413_small.gif

582 ms

searchbtn.gif

searchbtn.gif

278 ms

11.gif

11.gif

557 ms

jt.gif

jt.gif

564 ms

12.gif

12.gif

565 ms

04.gif

04.gif

567 ms

09.gif

09.gif

568 ms

06.gif

06.gif

585 ms

07.gif

07.gif

829 ms

05.gif

05.gif

838 ms

tech3.gif

tech3.gif

839 ms

mid19.gif

mid19.gif

839 ms

hbj.gif

hbj.gif

823 ms

01.gif

01.gif

825 ms

topsearch.gif

topsearch.gif

831 ms

muen.gif

muen.gif

860 ms

03.gif

03.gif

1083 ms

muenline.gif

muenline.gif

1092 ms

muenbg.gif

muenbg.gif

1092 ms

line.gif

line.gif

1093 ms

btton.gif

btton.gif

1094 ms

09.gif

09.gif

813 ms

jt.gif

jt.gif

815 ms

1.gif

1.gif

822 ms

2.gif

2.gif

829 ms

3.gif

3.gif

1060 ms

4.gif

4.gif

1060 ms

5.gif

5.gif

1061 ms

6.gif

6.gif

1061 ms

7.gif

7.gif

1096 ms

8.gif

8.gif

1102 ms

9.gif

9.gif

1330 ms

0.gif

0.gif

1331 ms

1758849.js

1758849.js

3569 ms

bg_end.gif

bg_end.gif

1084 ms

jc.gif

jc.gif

1301 ms

anwang.jpg

anwang.jpg

1308 ms

govIcon.gif

govIcon.gif

1308 ms

315.gif

315.gif

1309 ms

home.gif

home.gif

1310 ms

icon_2.gif

icon_2.gif

697 ms

cookname.asp

cookname.asp

277 ms

viphomepage.asp

viphomepage.asp

369 ms

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

SEO Factors

ic37.com SEO score

82

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

    ZH

  • Encoding

    GB2312

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 it matches the claimed language. Our system also found out that Ic37.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

ic37.com

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: