Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

pdf.la

电子元件查询网_pdf datasheet查询-分享芯片资料 共赢工程师未来

Page Load Speed

21.6 sec in total

First Response

4.3 sec

Resources Loaded

17.2 sec

Page Rendered

139 ms

pdf.la screenshot

About Website

Click here to check amazing Pdf content. Otherwise, check out these important facts you probably never knew about pdf.la

电子元件查询网有1000多万ic芯片资料,清晰的pdf和完整的datasheet,元件的参数有型号、功能、介绍、厂商、引脚图、参考电路图、封装和中文资料等,与您发扬分享芯片资料精神,共赢工程师未来。

Visit pdf.la

Key Findings

We analyzed Pdf.la page load time and found that the first response time was 4.3 sec and then it took 17.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

pdf.la performance score

0

Network Requests Diagram

pdf.la

4310 ms

www.pdf.la

1129 ms

base_min.css

337 ms

jqac.css

672 ms

jquery.min.js

2547 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 39% of them (14 requests) were addressed to the original Pdf.la, 17% (6 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Pcookie.cnzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.4 kB (55%)

Content Size

161.5 kB

After Optimization

73.1 kB

In fact, the total size of Pdf.la main page is 161.5 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. Javascripts take 115.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 16.5 kB

  • Original 21.9 kB
  • After minification 20.0 kB
  • After compression 5.4 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 16.5 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 208 B

  • Original 17.2 kB
  • After minification 17.0 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. Pdf images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 66.9 kB

  • Original 115.5 kB
  • After minification 109.9 kB
  • After compression 48.6 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 66.9 kB or 58% of the original size.

CSS Optimization

-70%

Potential reduce by 4.9 kB

  • Original 6.9 kB
  • After minification 5.9 kB
  • After compression 2.1 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. Pdf.la needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (69%)

Requests Now

32

After Optimization

10

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pdf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

pdf.la SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

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

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