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Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

edu.virscan.org

VirScan - 多引擎文件在线检测平台

Page Load Speed

47.3 sec in total

First Response

13.7 sec

Resources Loaded

33.3 sec

Page Rendered

332 ms

edu.virscan.org screenshot

About Website

Click here to check amazing Edu Vir Scan content for China. Otherwise, check out these important facts you probably never knew about edu.virscan.org

free virus scan is a free online scan service, utilizing various anti-virus programs to diagnose single files.

Visit edu.virscan.org

Key Findings

We analyzed Edu.virscan.org page load time and found that the first response time was 13.7 sec and then it took 33.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

edu.virscan.org performance score

0

Network Requests Diagram

edu.virscan.org

13710 ms

index.css

923 ms

tools.js

6777 ms

adsbygoogle.js

35 ms

hm.js

2110 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Edu.virscan.org, 81% (55 requests) were made to Img.virscan.org and 6% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (13.7 sec) belongs to the original domain Edu.virscan.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.3 kB (23%)

Content Size

128.1 kB

After Optimization

98.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Edu.virscan.org main page is 128.1 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 84.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 29.0 kB

  • Original 37.8 kB
  • After minification 34.3 kB
  • After compression 8.8 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 29.0 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 73 B

  • Original 6.0 kB
  • After minification 5.9 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. Edu Vir Scan images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 211 B

  • Original 84.3 kB
  • After minification 84.2 kB
  • After compression 84.1 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.

Requests Breakdown

Number of requests can be reduced by 21 (32%)

Requests Now

66

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edu Vir Scan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

edu.virscan.org

edu.virscan.org

13710 ms

index.css

index.css

923 ms

tools.js

tools.js

6777 ms

adsbygoogle.js

adsbygoogle.js

35 ms

hm.js

hm.js

2110 ms

indexbg.gif

indexbg.gif

761 ms

logo.gif

logo.gif

1116 ms

view_en.gif

view_en.gif

3074 ms

up_en.gif

up_en.gif

1172 ms

1.gif

1.gif

1146 ms

select.png

select.png

1179 ms

a-squared.gif

a-squared.gif

1658 ms

ahnlab.gif

ahnlab.gif

1735 ms

antivir.gif

antivir.gif

1770 ms

antiy.gif

antiy.gif

1772 ms

arcavir.gif

arcavir.gif

1987 ms

avast.gif

avast.gif

3747 ms

avg.gif

avg.gif

2296 ms

baidu.gif

baidu.gif

3972 ms

bitdefender.gif

bitdefender.gif

2334 ms

clamav.gif

clamav.gif

2472 ms

comodo.gif

comodo.gif

2852 ms

cpsecure.gif

cpsecure.gif

3472 ms

drweb.gif

drweb.gif

4351 ms

f-prot.gif

f-prot.gif

3422 ms

f-secure.gif

f-secure.gif

3619 ms

fortinet.gif

fortinet.gif

4003 ms

gdata.gif

gdata.gif

5944 ms

hauri.gif

hauri.gif

4191 ms

ikarus.gif

ikarus.gif

4950 ms

jiangmin.gif

jiangmin.gif

6028 ms

kaspersky.gif

kaspersky.gif

4583 ms

kingsoft_av.gif

kingsoft_av.gif

7334 ms

microsoft.gif

microsoft.gif

6675 ms

nod32.gif

nod32.gif

13180 ms

norman.gif

norman.gif

8791 ms

panda.gif

panda.gif

7097 ms

pcc.gif

pcc.gif

7156 ms

quickheal.gif

quickheal.gif

7193 ms

rising.gif

rising.gif

7686 ms

analytics.js

analytics.js

60 ms

sophos.gif

sophos.gif

7670 ms

collect

collect

44 ms

collect

collect

171 ms

ca-pub-5662640855743483.js

ca-pub-5662640855743483.js

307 ms

zrt_lookup.html

zrt_lookup.html

300 ms

show_ads_impl.js

show_ads_impl.js

97 ms

ads

ads

190 ms

sunbelt.gif

sunbelt.gif

6980 ms

osd.js

osd.js

22 ms

symantec.gif

symantec.gif

6847 ms

tachyon.gif

tachyon.gif

8173 ms

thehacker.gif

thehacker.gif

8735 ms

vba.gif

vba.gif

8977 ms

virusbuster.gif

virusbuster.gif

10899 ms

tencent_av.gif

tencent_av.gif

7650 ms

360_av.gif

360_av.gif

9141 ms

habo.png

habo.png

9330 ms

arrow-up.gif

arrow-up.gif

8431 ms

hm.gif

hm.gif

438 ms

arrow-down.gif

arrow-down.gif

8495 ms

close.png

close.png

8621 ms

leftbuttone.gif

leftbuttone.gif

10485 ms

rightbuttone.gif

rightbuttone.gif

8633 ms

powered_by_centos.png

powered_by_centos.png

9301 ms

police.gif

police.gif

9734 ms

stylebox.gif

stylebox.gif

8584 ms

styleboxs.gif

styleboxs.gif

9868 ms

SEO Factors

edu.virscan.org SEO score

0

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 Edu.virscan.org 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 Edu.virscan.org 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

edu.virscan.org

Open Graph description is not detected on the main page of Edu Vir Scan. 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: