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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

80lib.com

抱歉，站点已暂停

Page Load Speed

7.5 sec in total

First Response

495 ms

Resources Loaded

4.7 sec

Page Rendered

2.3 sec

80lib.com screenshot

About Website

Welcome to 80lib.com homepage info - get ready to check 80 Lib best content for China right away, or after learning these important things about 80lib.com

【80图书馆】集成了Web of Science,Pubmed,ScienceDirect,SpringerLink,IEEE,Embase,Reaxys,OVID,Scopus,ProQuest,Wiley等数百个国内外顶级科研文献数据库,一个80图书馆帐号畅享以上所有数据库,无论您身处何地都能随时查阅并下载文献,从此下载科研文献不再求人.

Visit 80lib.com

Key Findings

We analyzed 80lib.com page load time and found that the first response time was 495 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

80lib.com performance score

0

Network Requests Diagram

80lib.com

495 ms

www.80lib.com

547 ms

style.css

228 ms

bootstrap.min.css

649 ms

magnific-popup.css

447 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 87% of them (47 requests) were addressed to the original 80lib.com, 4% (2 requests) were made to Hm.baidu.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain 80lib.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 135.9 kB (9%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 80lib.com main page is 1.6 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 33.4 kB

  • Original 41.4 kB
  • After minification 29.6 kB
  • After compression 8.0 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 11.8 kB, which is 28% 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 33.4 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 11.7 kB

  • Original 1.3 MB
  • After minification 1.3 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. 80 Lib images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 72.0 kB

  • Original 219.5 kB
  • After minification 219.5 kB
  • After compression 147.5 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 72.0 kB or 33% of the original size.

CSS Optimization

-26%

Potential reduce by 18.8 kB

  • Original 71.7 kB
  • After minification 71.6 kB
  • After compression 52.9 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. 80lib.com needs all CSS files to be minified and compressed as it can save up to 18.8 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (47%)

Requests Now

51

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 80 Lib. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

80lib.com

80lib.com

495 ms

www.80lib.com

www.80lib.com

547 ms

style.css

style.css

228 ms

bootstrap.min.css

bootstrap.min.css

649 ms

magnific-popup.css

magnific-popup.css

447 ms

jquery-ui.css

jquery-ui.css

439 ms

owl.carousel.min.css

owl.carousel.min.css

423 ms

owl.theme.default.min.css

owl.theme.default.min.css

427 ms

bootstrap-datepicker.css

bootstrap-datepicker.css

452 ms

flaticon.css

flaticon.css

650 ms

aos.css

aos.css

650 ms

style.css

style.css

673 ms

js

js

60 ms

jquery.js

jquery.js

1327 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

1025 ms

jquery-migrate-3.0.1.min.js

jquery-migrate-3.0.1.min.js

1022 ms

jquery-ui.js

jquery-ui.js

1057 ms

popper.min.js

popper.min.js

1022 ms

bootstrap.min.js

bootstrap.min.js

1022 ms

owl.carousel.min.js

owl.carousel.min.js

1051 ms

jquery.stellar.min.js

jquery.stellar.min.js

1061 ms

jquery.countdown.min.js

jquery.countdown.min.js

1134 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

1145 ms

bootstrap-datepicker.min.js

bootstrap-datepicker.min.js

1267 ms

aos.js

aos.js

1266 ms

main.js

main.js

1298 ms

hm.js

hm.js

2006 ms

bjt2.jpg

bjt2.jpg

1717 ms

gongzhonghao.png

gongzhonghao.png

761 ms

vip.jpg

vip.jpg

1342 ms

zw.jpg

zw.jpg

1156 ms

yw.jpg

yw.jpg

1341 ms

yx.jpg

yx.jpg

1156 ms

jr.jpg

jr.jpg

1343 ms

fv.jpg

fv.jpg

1429 ms

zw.png

zw.png

1342 ms

wos.png

wos.png

1621 ms

udt.png

udt.png

1429 ms

pub.png

pub.png

1486 ms

ieee.png

ieee.png

1534 ms

sd.png

sd.png

1612 ms

scopus.png

scopus.png

1641 ms

reaxys.png

reaxys.png

1714 ms

slide_box.jpg

slide_box.jpg

1759 ms

qrcode.jpg

qrcode.jpg

1855 ms

gzh.png

gzh.png

1856 ms

analytics.js

analytics.js

53 ms

icomoon.ttf

icomoon.ttf

2433 ms

collect

collect

53 ms

collect

collect

35 ms

ga-audiences

ga-audiences

264 ms

slide_min.jpg

slide_min.jpg

1178 ms

slide_box_bg.jpg

slide_box_bg.jpg

1186 ms

hm.gif

hm.gif

317 ms

SEO Factors

80lib.com SEO score

0

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 80lib.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 80lib.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

80lib.com

Open Graph description is not detected on the main page of 80 Lib. 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: