Tools & Wizards About Us
vtbuy.net screenshot

Report Summary

  • 0

    Performance

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

vtbuy.net

国产日韩精品---久久国产精品--三区色最新-亚洲国产日韩精品一区二区-日韩AⅤ激情无码-亚洲日韩福利在线_2021中文字幕无码免费

Page Load Speed

56.8 sec in total

First Response

3.6 sec

Resources Loaded

52 sec

Page Rendered

1.2 sec

vtbuy.net screenshot

About Website

Visit vtbuy.net now to see the best up-to-date Vtbuy content for China and also check out these interesting facts you probably never knew about vtbuy.net

国产日韩精品---久久国产精品--三区色最新-亚洲国产日韩精品一区二区-日韩AⅤ激情无码-亚洲日韩福利在线_2021中文字幕无码免费_免费国产拍久久受拍久久_国产人成午夜免费看

Visit vtbuy.net

Key Findings

We analyzed Vtbuy.net page load time and found that the first response time was 3.6 sec and then it took 53.2 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. Unfortunately, there were 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

vtbuy.net performance score

0

Network Requests Diagram

www.vtbuy.net

3626 ms

style.css

7889 ms

jquery.min.js

19712 ms

hoveraccordion.js

1008 ms

weisay.js

1005 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 24% of them (24 requests) were addressed to the original Vtbuy.net, 19% (19 requests) were made to Vtbuy.net.img.800cdn.com and 8% (8 requests) were made to Img.t.sinajs.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Vtbuy.net.img.800cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.3 kB (31%)

Content Size

716.1 kB

After Optimization

491.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vtbuy.net main page is 716.1 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. 45% of websites need less resources to load. Images take 333.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 40.2 kB

  • Original 52.0 kB
  • After minification 51.5 kB
  • After compression 11.8 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 40.2 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 6.4 kB

  • Original 333.9 kB
  • After minification 327.5 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. Vtbuy images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 149.1 kB

  • Original 295.0 kB
  • After minification 294.3 kB
  • After compression 145.9 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 149.1 kB or 51% of the original size.

CSS Optimization

-81%

Potential reduce by 28.6 kB

  • Original 35.1 kB
  • After minification 35.1 kB
  • After compression 6.5 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. Vtbuy.net needs all CSS files to be minified and compressed as it can save up to 28.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

68

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vtbuy. 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 as a result speed up the page load time.

Network Requests Diagram

www.vtbuy.net

www.vtbuy.net

3626 ms

style.css

style.css

7889 ms

jquery.min.js

jquery.min.js

19712 ms

hoveraccordion.js

hoveraccordion.js

1008 ms

weisay.js

weisay.js

1005 ms

lazyload.js

lazyload.js

1009 ms

adsbygoogle.js

adsbygoogle.js

16 ms

mr_2_125x125.gif

mr_2_125x125.gif

474 ms

extrabux.jpg

extrabux.jpg

5872 ms

ebates_logo.png

ebates_logo.png

450 ms

index.php

index.php

2712 ms

bg.png

bg.png

536 ms

line.gif

line.gif

538 ms

rss.gif

rss.gif

546 ms

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tqq.gif

546 ms

roll.png

roll.png

545 ms

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821 ms

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830 ms

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833 ms

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833 ms

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847 ms

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966 ms

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974 ms

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1222 ms

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1223 ms

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1294 ms

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1291 ms

tier.gif

tier.gif

1311 ms

ca-pub-9756225419629650.js

ca-pub-9756225419629650.js

119 ms

zrt_lookup.html

zrt_lookup.html

293 ms

show_ads_impl.js

show_ads_impl.js

96 ms

bg.png

bg.png

20368 ms

line.gif

line.gif

1519 ms

rss.gif

rss.gif

7036 ms

roll.png

roll.png

4028 ms

tqq.gif

tqq.gif

2726 ms

h.js

h.js

749 ms

top.gif

top.gif

2108 ms

ads

ads

517 ms

osd.js

osd.js

39 ms

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11777 ms

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11993 ms

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20069 ms

201603302055541-600x180.jpg

201603302055541-600x180.jpg

12808 ms

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20160320205732-600x173.jpg

15244 ms

INTL_CN_20160311_1280x275-600x128.jpg

INTL_CN_20160311_1280x275-600x128.jpg

20060 ms

20151207140820-600x336.jpg

20151207140820-600x336.jpg

19932 ms

psb-375x500.jpg

psb-375x500.jpg

19154 ms

weiboShow.css

weiboShow.css

18 ms

skin_default.css

skin_default.css

22 ms

gaea_1_19.js

gaea_1_19.js

22 ms

1

1

831 ms

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404 ms

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402 ms

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616 ms

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221 ms

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608 ms

wb_logo16_a.png

wb_logo16_a.png

200 ms

btns_bg.png

btns_bg.png

196 ms

icon_follow.png

icon_follow.png

198 ms

icon_user.png

icon_user.png

196 ms

5f1d3c1fjw1exr57fuob7j209p0jgjs0.jpg

5f1d3c1fjw1exr57fuob7j209p0jgjs0.jpg

246 ms

INTL_0218-0225CN_Shipping_event_755x444-600x352.jpg

INTL_0218-0225CN_Shipping_event_755x444-600x352.jpg

19676 ms

0212_0217_15OFF100_CN_1280x275-600x128.jpg

0212_0217_15OFF100_CN_1280x275-600x128.jpg

19676 ms

16227394519095668852

16227394519095668852

109 ms

abg.js

abg.js

92 ms

m_js_controller.js

m_js_controller.js

125 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

80 ms

0201_0212_CN_NewYear_1280x275_rotator-600x128.jpg

0201_0212_CN_NewYear_1280x275_rotator-600x128.jpg

19619 ms

0122-0128_BMSM_5off55-15off100-30off180-_1280x275-600x128.jpg

0122-0128_BMSM_5off55-15off100-30off180-_1280x275-600x128.jpg

19613 ms

21.gif

21.gif

1953 ms

hm.gif

hm.gif

374 ms

tier.gif

tier.gif

19594 ms

stat.php

stat.php

651 ms

s

s

87 ms

x_button_blue2.png

x_button_blue2.png

100 ms

Rf2QnA3orEL6Eez56HJgxRuQ77qJyxbefnbSCBE0iUQ.js

Rf2QnA3orEL6Eez56HJgxRuQ77qJyxbefnbSCBE0iUQ.js

11 ms

stat.htm

stat.htm

186 ms

core.php

core.php

901 ms

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156 ms

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153 ms

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156 ms

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144 ms

suda.js

suda.js

145 ms

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148 ms

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183 ms

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175 ms

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180 ms

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183 ms

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146 ms

9.gif

9.gif

3877 ms

pic1.gif

pic1.gif

656 ms

show.js

show.js

11 ms

bg_trans.png

bg_trans.png

302 ms

icon_tips.png

icon_tips.png

260 ms

a.gif

a.gif

738 ms

tmp.gif

tmp.gif

790 ms

extrabux.jpg

extrabux.jpg

20044 ms

app.gif

app.gif

851 ms

Accessibility Review

vtbuy.net accessibility score

71

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

vtbuy.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

vtbuy.net SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Vtbuy.net 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 Vtbuy.net 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

vtbuy.net

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