Tools & Wizards About Us
tovi.cn screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tovi.cn

广州监控安装,广州监控工程安装公司,广州视频监控系统,安防高清监控摄像头安装与报价-图威TOVI

Page Load Speed

15.6 sec in total

First Response

731 ms

Resources Loaded

14.5 sec

Page Rendered

300 ms

tovi.cn screenshot

About Website

Welcome to tovi.cn homepage info - get ready to check Tovi best content right away, or after learning these important things about tovi.cn

广州市图威电子有限公司专注安防监控事业14年,广州监控工程安装公司,安防高清监控安装在线咨询报价,海量高清监控摄像头安装效果演示,监控工程安装咨询电话:4008232110.广州图威在全国各大城市设立安防监控系统安装、售后及服务网点,视频监控工程全国上门安装,图威(TOVI)已通过ISO9001质量管理体系认证，拥有安防监控系统工程设计安装、维修及维护专业资格证,装监控找图威公司值得信赖.

Visit tovi.cn

Key Findings

We analyzed Tovi.cn page load time and found that the first response time was 731 ms and then it took 14.8 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

tovi.cn performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.178

68/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

tovi.cn

731 ms

www.tovi.cn

1569 ms

lang.js

421 ms

typical.css

429 ms

moo.min.js

860 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 94% of them (146 requests) were addressed to the original Tovi.cn, 3% (4 requests) were made to Api.map.baidu.com and 1% (2 requests) were made to Dlswbr.baidu.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Tovi.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 263.2 kB (16%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tovi.cn 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. 65% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 190.2 kB

  • Original 227.7 kB
  • After minification 204.4 kB
  • After compression 37.4 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 190.2 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 63.0 kB

  • Original 1.2 MB
  • After minification 1.2 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. Tovi images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 6.0 kB

  • Original 132.5 kB
  • After minification 132.0 kB
  • After compression 126.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 4.1 kB

  • Original 47.3 kB
  • After minification 47.3 kB
  • After compression 43.3 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. Tovi.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (12%)

Requests Now

149

After Optimization

131

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tovi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tovi.cn

tovi.cn

731 ms

www.tovi.cn

www.tovi.cn

1569 ms

lang.js

lang.js

421 ms

typical.css

typical.css

429 ms

moo.min.js

moo.min.js

860 ms

ui.min.js

ui.min.js

646 ms

basic.min.css

basic.min.css

650 ms

lang.js

lang.js

827 ms

shop.min.js

shop.min.js

837 ms

widgetsproinstance-get_css-tovi-aW5kZXgtbmV3Lmh0bWw=.html

widgetsproinstance-get_css-tovi-aW5kZXgtbmV3Lmh0bWw=.html

886 ms

max.css

max.css

1274 ms

index.css

index.css

1072 ms

api

api

704 ms

video.css

video.css

1253 ms

jquery172.js

jquery172.js

1663 ms

footer1.js

footer1.js

1266 ms

max.js

max.js

891 ms

maxLZ.js

maxLZ.js

1079 ms

index.js

index.js

1257 ms

blank

blank

7 ms

pa

pa

846 ms

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616 ms

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432 ms

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617 ms

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629 ms

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803 ms

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1044 ms

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1466 ms

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2278 ms

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1668 ms

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2128 ms

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1875 ms

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1888 ms

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1888 ms

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2084 ms

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2285 ms

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2505 ms

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2305 ms

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2507 ms

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2747 ms

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2900 ms

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2694 ms

getscript

getscript

677 ms

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2929 ms

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3105 ms

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2980 ms

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3111 ms

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3014 ms

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3179 ms

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3115 ms

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3170 ms

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3183 ms

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3318 ms

api.map.baidu.com

api.map.baidu.com

309 ms

abclite-2063-s.js

abclite-2063-s.js

1406 ms

blank.gif

blank.gif

457 ms

iconfonts.woff

iconfonts.woff

3012 ms

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3298 ms

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3327 ms

get_vertical_html.html

get_vertical_html.html

3591 ms

get_index_nav_html.html

get_index_nav_html.html

3446 ms

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3381 ms

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3354 ms

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3573 ms

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3337 ms

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3401 ms

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3461 ms

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3521 ms

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3356 ms

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3178 ms

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3328 ms

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3397 ms

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3259 ms

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case-bj-10.gif

3285 ms

abclite-2063-s.original.js

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228 ms

case-bj-11.gif

case-bj-11.gif

3169 ms

case-bj-12.gif

case-bj-12.gif

3194 ms

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case-bj-13.gif

3323 ms

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3196 ms

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3268 ms

case-bj-16.gif

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3139 ms

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3122 ms

button_111.gif

button_111.gif

1006 ms

al-cscec.png

al-cscec.png

2997 ms

al-jd.png

al-jd.png

3111 ms

al-sony.png

al-sony.png

2995 ms

al-cn.png

al-cn.png

3031 ms

al-wanzaimatou.png

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2938 ms

al-south_of_u.png

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2896 ms

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2773 ms

eng_1.png

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3117 ms

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2963 ms

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3022 ms

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2858 ms

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2763 ms

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2580 ms

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2902 ms

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2630 ms

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2600 ms

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2567 ms

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2591 ms

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2717 ms

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2684 ms

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2632 ms

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2588 ms

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2587 ms

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2630 ms

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2714 ms

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fa-cs.png

2671 ms

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fa-jd.png

2622 ms

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2586 ms

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2573 ms

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2623 ms

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2725 ms

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2679 ms

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2606 ms

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a1.png

2586 ms

a2.png

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2560 ms

a3.png

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2838 ms

a4.png

a4.png

2735 ms

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2677 ms

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2616 ms

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2580 ms

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2553 ms

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2833 ms

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2524 ms

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2535 ms

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2526 ms

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2506 ms

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human.png

2919 ms

footer_logo.png

footer_logo.png

2747 ms

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two-dimensional.png

2530 ms

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2523 ms

maxmain.gif

maxmain.gif

2547 ms

vertical_bg.png

vertical_bg.png

2923 ms

network.png

network.png

3025 ms

bluebg.jpg

bluebg.jpg

2798 ms

scroll.png

scroll.png

2536 ms

maxBacktop.gif

maxBacktop.gif

2546 ms

cart.png

cart.png

2542 ms

login.png

login.png

2884 ms

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3265 ms

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3239 ms

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3421 ms

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menu-bj-10.jpg

2554 ms

Accessibility Review

tovi.cn accessibility score

40

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

tovi.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tovi.cn SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Tovi.cn 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 Tovi.cn 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

tovi.cn

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