Tools & Wizards About Us
onvcom.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

onvcom.com

PoE Switch-Industrial PoE Switch-Industria Ethernet Switch-Industria Media Converter-Ethernet Switch-Fiber Media Converter-PoE Injector-PoE Extender-P...

Page Load Speed

7.3 sec in total

First Response

387 ms

Resources Loaded

6.4 sec

Page Rendered

566 ms

onvcom.com screenshot

About Website

Welcome to onvcom.com homepage info - get ready to check ONV Com best content for Turkey right away, or after learning these important things about onvcom.com

As a professional China factory-direct manufacturer, Optical Network Video Technologies (Shenzhen) Co., Ltd can always provide you top quality and high performance PoE switches, Ethernet switches, ind...

Visit onvcom.com

Key Findings

We analyzed Onvcom.com page load time and found that the first response time was 387 ms and then it took 6.9 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

onvcom.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.503

16/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

onvcom.com

387 ms

onvcom.com

394 ms

js

61 ms

js

105 ms

owl.carousel.css

212 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 88% of them (84 requests) were addressed to the original Onvcom.com, 4% (4 requests) were made to Api.map.baidu.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Onvcom.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.3 MB (34%)

Content Size

9.8 MB

After Optimization

6.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onvcom.com main page is 9.8 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. 40% of websites need less resources to load. Images take 9.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 43.0 kB

  • Original 51.2 kB
  • After minification 39.1 kB
  • After compression 8.3 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 12.1 kB, which is 24% 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 43.0 kB or 84% of the original size.

Image Optimization

-34%

Potential reduce by 3.2 MB

  • Original 9.6 MB
  • After minification 6.4 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. Obviously, ONV Com needs image optimization as it can save up to 3.2 MB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-20%

Potential reduce by 22.3 kB

  • Original 111.9 kB
  • After minification 111.9 kB
  • After compression 89.5 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 22.3 kB or 20% of the original size.

CSS Optimization

-12%

Potential reduce by 4.7 kB

  • Original 38.5 kB
  • After minification 38.5 kB
  • After compression 33.8 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. Onvcom.com needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (14%)

Requests Now

92

After Optimization

79

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ONV Com. 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 as a result speed up the page load time.

Network Requests Diagram

onvcom.com

onvcom.com

387 ms

onvcom.com

onvcom.com

394 ms

js

js

61 ms

js

js

105 ms

owl.carousel.css

owl.carousel.css

212 ms

bootstrap.css

bootstrap.css

288 ms

style.css

style.css

294 ms

jquery.js

jquery.js

304 ms

bootstrap.min.js

bootstrap.min.js

225 ms

accordion.js

accordion.js

232 ms

api

api

1139 ms

owl.carousel.js

owl.carousel.js

511 ms

main.js

main.js

438 ms

rBQBHFkAe6aENEV0AAAAAIqVad00975.js

rBQBHFkAe6aENEV0AAAAAIqVad00975.js

361 ms

rBQBHVkAe7-EMS19AAAAAIGDn6s0549.js

rBQBHVkAe7-EMS19AAAAAIGDn6s0549.js

361 ms

5e05f5de1ca51.png

5e05f5de1ca51.png

254 ms

iwant01.jpg

iwant01.jpg

185 ms

iwant02.jpg

iwant02.jpg

193 ms

iwant03.jpg

iwant03.jpg

217 ms

enewm1.jpg

enewm1.jpg

403 ms

enewm2.png

enewm2.png

395 ms

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5f18ea66b0642.png

542 ms

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5f18ea3ca50eb.png

547 ms

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5f18ea8f28ca5.png

500 ms

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5f1e836d2d5ab.png

536 ms

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5dcb752d35e53.png

675 ms

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6100cfaa1acb2.png

690 ms

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60fa16482a7e0.png

794 ms

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60fa168c3b350.png

829 ms

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5f9b80c8497a3.png

756 ms

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60fa16a2dc265.png

839 ms

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60fa16bd38f17.png

960 ms

5dafaa730028f.jpg

5dafaa730028f.jpg

900 ms

5f9b7f282aa93.png

5f9b7f282aa93.png

969 ms

60fa16d38a3ea.png

60fa16d38a3ea.png

1083 ms

thumb_270_200_5dac126a73b31.jpg

thumb_270_200_5dac126a73b31.jpg

1038 ms

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thumb_270_200_5da36f3a31669.jpg

1059 ms

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thumb_270_200_5da36f53e2661.jpg

1117 ms

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5e16d69e0b9d3.jpg

1463 ms

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5dac1e6b5badf.jpg

1315 ms

5dac1e78850c2.jpg

5dac1e78850c2.jpg

1404 ms

onv_search.png

onv_search.png

1273 ms

lc-yuyan3.png

lc-yuyan3.png

1303 ms

66b4210350365.jpg

66b4210350365.jpg

1685 ms

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660cb984e64b0.jpg

1899 ms

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1878 ms

607e71b6772d2.jpg

607e71b6772d2.jpg

1939 ms

6007e334ed2b2.jpg

6007e334ed2b2.jpg

2189 ms

lcnewsp.png

lcnewsp.png

1703 ms

lcnewsn.png

lcnewsn.png

1857 ms

img01.jpg

img01.jpg

1988 ms

img02.jpg

img02.jpg

4337 ms

img03.jpg

img03.jpg

2069 ms

60b49213cb729.jpg

60b49213cb729.jpg

2151 ms

630f0542a54ff.jpg

630f0542a54ff.jpg

2860 ms

634e617d1ac4f.jpg

634e617d1ac4f.jpg

3302 ms

index_contact_bg.jpg

index_contact_bg.jpg

2075 ms

index_newPro_bg.png

index_newPro_bg.png

2394 ms

img04.jpg

img04.jpg

2191 ms

img05.jpg

img05.jpg

3765 ms

img06.jpg

img06.jpg

3303 ms

lc-icon01.png

lc-icon01.png

2430 ms

enewm.jpg

enewm.jpg

2938 ms

lc-icon02.png

lc-icon02.png

2944 ms

lc-icon05.png

lc-icon05.png

3043 ms

getscript

getscript

671 ms

lc-icon03.png

lc-icon03.png

3085 ms

lc-icon04.png

lc-icon04.png

3081 ms

chart_05.jpg

chart_05.jpg

3580 ms

onvsolu04.jpg

onvsolu04.jpg

3397 ms

onvsolu03.jpg

onvsolu03.jpg

3440 ms

onvsolu02.jpg

onvsolu02.jpg

3309 ms

onvsolu01.jpg

onvsolu01.jpg

4199 ms

[object%20Object]

[object%20Object]

3484 ms

onvsoluicon01.png

onvsoluicon01.png

3448 ms

onvsoluicon02.png

onvsoluicon02.png

3352 ms

onvsoluicon03.png

onvsoluicon03.png

3387 ms

onvsoluicon04.png

onvsoluicon04.png

3429 ms

onv6.png

onv6.png

3373 ms

icon_addressbook_fil.png

icon_addressbook_fil.png

3316 ms

api.map.baidu.com

api.map.baidu.com

250 ms

abclite-2063-s.js

abclite-2063-s.js

1474 ms

blank.gif

blank.gif

451 ms

onv5.png

onv5.png

3154 ms

share01.png

share01.png

3160 ms

share02.png

share02.png

3083 ms

share03.png

share03.png

3088 ms

share04.png

share04.png

3048 ms

youtube.png

youtube.png

3082 ms

scrolltop.png

scrolltop.png

2945 ms

icon_cmail.png

icon_cmail.png

2975 ms

lcleft.png

lcleft.png

2937 ms

lcright.png

lcright.png

2841 ms

abclite-2063-s.original.js

abclite-2063-s.original.js

261 ms

abdr

abdr

1196 ms

Accessibility Review

onvcom.com accessibility score

55

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

onvcom.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

onvcom.com SEO score

83

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

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onvcom.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Onvcom.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

onvcom.com

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