Tools & Wizards About Us
fosvision.cn screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

fosvision.cn

FOSVISION CCTV -Technology protects the future

Page Load Speed

25.6 sec in total

First Response

730 ms

Resources Loaded

24.6 sec

Page Rendered

251 ms

fosvision.cn screenshot

About Website

Click here to check amazing FOSVISION content. Otherwise, check out these important facts you probably never knew about fosvision.cn

FOSVISION CCTV WEB

Visit fosvision.cn

Key Findings

We analyzed Fosvision.cn page load time and found that the first response time was 730 ms and then it took 24.9 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 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

fosvision.cn performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value22.3 s

0/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.381

27/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

fosvision.cn

730 ms

fosvision.cn

1873 ms

bootstrap.css

462 ms

glide.css

675 ms

style.css

895 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 96% of them (45 requests) were addressed to the original Fosvision.cn, 4% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Fosvision.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.8 kB (12%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fosvision.cn main page is 1.4 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. 30% 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 29.9 kB

  • Original 35.5 kB
  • After minification 28.3 kB
  • After compression 5.6 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 7.2 kB, which is 20% 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 29.9 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 95.5 kB

  • Original 1.2 MB
  • After minification 1.1 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. FOSVISION images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 26.9 kB

  • Original 81.2 kB
  • After minification 81.2 kB
  • After compression 54.4 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 26.9 kB or 33% of the original size.

CSS Optimization

-37%

Potential reduce by 15.6 kB

  • Original 42.1 kB
  • After minification 42.1 kB
  • After compression 26.5 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. Fosvision.cn needs all CSS files to be minified and compressed as it can save up to 15.6 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (38%)

Requests Now

37

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FOSVISION. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

fosvision.cn

fosvision.cn

730 ms

fosvision.cn

fosvision.cn

1873 ms

bootstrap.css

bootstrap.css

462 ms

glide.css

glide.css

675 ms

style.css

style.css

895 ms

jquery.min.js

jquery.min.js

1725 ms

bootstrap.js

bootstrap.js

1518 ms

jquery.glide.js

jquery.glide.js

1313 ms

common.js

common.js

1115 ms

online.css

online.css

1117 ms

addthis_widget.js

addthis_widget.js

24 ms

jquery.qrcode.min.js

jquery.qrcode.min.js

1110 ms

online.js

online.js

1325 ms

nav_bg.png

nav_bg.png

215 ms

en.png

en.png

216 ms

20230429170050_7531.png

20230429170050_7531.png

227 ms

alpha.png

alpha.png

213 ms

banner-01.png

banner-01.png

224 ms

20240427182458_3342.jpg

20240427182458_3342.jpg

2305 ms

20240427180806_6467.jpg

20240427180806_6467.jpg

640 ms

20240427180951_2873.jpg

20240427180951_2873.jpg

2037 ms

20240427181008_2717.jpg

20240427181008_2717.jpg

3839 ms

20240427181026_5217.jpg

20240427181026_5217.jpg

4163 ms

20240427181038_8186.jpg

20240427181038_8186.jpg

1111 ms

thumb20230916142730022.png

thumb20230916142730022.png

2253 ms

thumb20240824182514114.png

thumb20240824182514114.png

3944 ms

thumb20230916145014400.png

thumb20230916145014400.png

2463 ms

thumb20230514155815951.png

thumb20230514155815951.png

2679 ms

thumb20240824182436864.png

thumb20240824182436864.png

4360 ms

20240120112600345.jpg

20240120112600345.jpg

8277 ms

20231214154511877.jpg

20231214154511877.jpg

20242 ms

20231214154604581.jpg

20231214154604581.jpg

20242 ms

20231214154730112.jpg

20231214154730112.jpg

14930 ms

20240111163755587.jpg

20240111163755587.jpg

20242 ms

20230907150053381.jpg

20230907150053381.jpg

20242 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

8490 ms

banner-fy.png

banner-fy.png

8684 ms

title_line.jpg

title_line.jpg

8897 ms

on-hover.png

on-hover.png

9111 ms

li.png

li.png

9324 ms

panel-bg.png

panel-bg.png

9515 ms

addthis_widget.js

addthis_widget.js

15 ms

kf-top.jpg

kf-top.jpg

9680 ms

kf-middle.gif

kf-middle.gif

9894 ms

kf-bottom.gif

kf-bottom.gif

10109 ms

cmsfloatqrcodepanel-hd-bg.gif

cmsfloatqrcodepanel-hd-bg.gif

10323 ms

glyphicons-halflings-regular.ttf

glyphicons-halflings-regular.ttf

3958 ms

Accessibility Review

fosvision.cn accessibility score

81

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

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

Links do not have a discernible name

Best Practices

fosvision.cn best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

fosvision.cn SEO score

82

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 Fosvision.cn 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 Fosvision.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

fosvision.cn

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