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21icsearch.com screenshot

Report Summary

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    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

21icsearch.com

datasheet - 21ic电子网

Page Load Speed

14.7 sec in total

First Response

2 sec

Resources Loaded

12.4 sec

Page Rendered

344 ms

21icsearch.com screenshot

About Website

Visit 21icsearch.com now to see the best up-to-date 21 Icsearch content for China and also check out these interesting facts you probably never knew about 21icsearch.com

21icsearch电子元器件网，为广大电子工程师提供上千万元器件型号、详细参数信息查询，并有PDF格式的datasheet数据手册下载。

Visit 21icsearch.com

Key Findings

We analyzed 21icsearch.com page load time and found that the first response time was 2 sec and then it took 12.7 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

21icsearch.com performance score

0

Network Requests Diagram

21icsearch.com

1987 ms

www.21icsearch.com

2455 ms

colorbox.css

641 ms

index.css

635 ms

jquery.min.js

1307 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 83% of them (50 requests) were addressed to the original 21icsearch.com, 5% (3 requests) were made to Tj.21ic.com and 3% (2 requests) were made to 21icim.qtmojo.com. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain 21icsearch.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 488.8 kB (60%)

Content Size

817.4 kB

After Optimization

328.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 21icsearch.com main page is 817.4 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. HTML takes 428.1 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 377.1 kB

  • Original 428.1 kB
  • After minification 325.2 kB
  • After compression 51.0 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 102.9 kB, which is 24% 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 377.1 kB or 88% of the original size.

Image Optimization

-23%

Potential reduce by 73.8 kB

  • Original 326.5 kB
  • After minification 252.7 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, 21 Icsearch needs image optimization as it can save up to 73.8 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-83%

Potential reduce by 37.8 kB

  • Original 45.7 kB
  • After minification 40.0 kB
  • After compression 7.9 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. 21icsearch.com needs all CSS files to be minified and compressed as it can save up to 37.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (14%)

Requests Now

58

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Icsearch. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

21icsearch.com

21icsearch.com

1987 ms

www.21icsearch.com

www.21icsearch.com

2455 ms

colorbox.css

colorbox.css

641 ms

index.css

index.css

635 ms

jquery.min.js

jquery.min.js

1307 ms

jquery.bgiframe.js

jquery.bgiframe.js

783 ms

jquery.ajaxqueue.js

jquery.ajaxqueue.js

905 ms

jquery.autocomplete.js

jquery.autocomplete.js

2354 ms

jquery.colorbox.js

jquery.colorbox.js

2356 ms

js.js

js.js

537 ms

s

s

1213 ms

s

s

1978 ms

bg.jpg

bg.jpg

610 ms

logo.jpg

logo.jpg

1124 ms

icon_02.gif

icon_02.gif

610 ms

bg_01.png

bg_01.png

3667 ms

logo.png

logo.png

2854 ms

rohs.png

rohs.png

606 ms

button_01.jpg

button_01.jpg

615 ms

ind_down_mon.jpg

ind_down_mon.jpg

616 ms

hot_bg01.jpg

hot_bg01.jpg

1540 ms

hot_bg.jpg

hot_bg.jpg

795 ms

ind_down_week.jpg

ind_down_week.jpg

809 ms

ind_down_new.jpg

ind_down_new.jpg

1055 ms

index1_12.gif

index1_12.gif

1078 ms

icon_23.jpg

icon_23.jpg

1316 ms

icon_24.jpg

icon_24.jpg

1343 ms

index1_52.jpg

index1_52.jpg

1466 ms

data_icon_02.jpg

data_icon_02.jpg

1587 ms

index1_53.jpg

index1_53.jpg

1602 ms

index1_51.gif

index1_51.gif

2734 ms

index1_11.gif

index1_11.gif

1849 ms

icon_03.jpg

icon_03.jpg

1844 ms

icon_01.gif

icon_01.gif

1864 ms

index1_14.gif

index1_14.gif

2355 ms

icon_04.jpg

icon_04.jpg

2452 ms

index1_23.gif

index1_23.gif

2138 ms

index1_24.gif

index1_24.gif

2403 ms

index1_25.gif

index1_25.gif

3368 ms

index1_26.gif

index1_26.gif

2660 ms

index1_27.gif

index1_27.gif

2767 ms

index1_28.gif

index1_28.gif

2928 ms

index1_29.gif

index1_29.gif

3351 ms

index1_30.gif

index1_30.gif

4202 ms

index1_50.jpg

index1_50.jpg

3458 ms

button_02.jpg

button_02.jpg

3198 ms

icon_22.jpg

icon_22.jpg

3459 ms

index_qi.jpg

index_qi.jpg

5447 ms

ind_link.jpg

ind_link.jpg

3300 ms

icon_pdf2.jpg

icon_pdf2.jpg

3170 ms

icon.png

icon.png

3106 ms

h.js

h.js

2248 ms

90x200_Encapsulated_Updated2-2016_CN.jpg

90x200_Encapsulated_Updated2-2016_CN.jpg

259 ms

sn.js

sn.js

1818 ms

hm.gif

hm.gif

524 ms

ck.php

ck.php

303 ms

ga.js

ga.js

539 ms

sn.gif

sn.gif

302 ms

overlay.png

overlay.png

264 ms

__utm.gif

__utm.gif

12 ms

SEO Factors

21icsearch.com SEO score

0

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 21icsearch.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 21icsearch.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

21icsearch.com

Open Graph description is not detected on the main page of 21 Icsearch. 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: