Tools & Wizards About Us
optic-fov.com screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

optic-fov.com

CREE|OSRAM|NICHIA|LUXEON|SEOUL led lens| Fresnel lens

Page Load Speed

6.1 sec in total

First Response

695 ms

Resources Loaded

5.3 sec

Page Rendered

149 ms

optic-fov.com screenshot

About Website

Welcome to optic-fov.com homepage info - get ready to check Optic Fov best content right away, or after learning these important things about optic-fov.com

Shenzhen Hongxuan Optoelectronic Tech Co., Ltd mainly manufactures led lens,led street light lens,CREE led lens,Solar Fresnel lens. It is one of the largest manufacturer of led lens.

Visit optic-fov.com

Key Findings

We analyzed Optic-fov.com page load time and found that the first response time was 695 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

optic-fov.com performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

optic-fov.com

695 ms

index.html

674 ms

css.css

1085 ms

gundong.js

881 ms

jquery-1.4.2.min.js

1740 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that all of those requests were addressed to Optic-fov.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Optic-fov.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 148.4 kB (9%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optic-fov.com 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. 30% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 7.8 kB

  • Original 11.2 kB
  • After minification 10.7 kB
  • After compression 3.3 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. 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 7.8 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 79.7 kB

  • Original 1.5 MB
  • After minification 1.4 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. Optic Fov images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 52.4 kB

  • Original 79.7 kB
  • After minification 79.2 kB
  • After compression 27.3 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 52.4 kB or 66% of the original size.

CSS Optimization

-77%

Potential reduce by 8.5 kB

  • Original 11.0 kB
  • After minification 9.6 kB
  • After compression 2.6 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. Optic-fov.com needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

37

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optic Fov. According to our analytics all requests are already optimized.

Network Requests Diagram

optic-fov.com

optic-fov.com

695 ms

index.html

index.html

674 ms

css.css

css.css

1085 ms

gundong.js

gundong.js

881 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

1740 ms

123.js

123.js

921 ms

20120517090443604.jpg

20120517090443604.jpg

246 ms

20120517090608255.jpg

20120517090608255.jpg

618 ms

20120517090626617.jpg

20120517090626617.jpg

870 ms

20140807140834466.jpg

20140807140834466.jpg

1081 ms

2016101957792133.jpg

2016101957792133.jpg

1299 ms

2015121378473305.jpg

2015121378473305.jpg

1646 ms

2014082000792660.jpg

2014082000792660.jpg

1013 ms

2012101853104485.jpg

2012101853104485.jpg

1237 ms

f1.jpg

f1.jpg

1293 ms

f2.jpg

f2.jpg

1251 ms

f3.jpg

f3.jpg

1308 ms

f4.jpg

f4.jpg

1450 ms

f5.jpg

f5.jpg

1490 ms

f6.jpg

f6.jpg

1542 ms

f7.jpg

f7.jpg

1547 ms

f8.jpg

f8.jpg

1543 ms

f9.jpg

f9.jpg

1677 ms

f10.jpg

f10.jpg

1721 ms

f11.jpg

f11.jpg

1778 ms

f12.jpg

f12.jpg

1779 ms

bg.jpg

bg.jpg

476 ms

logo.png

logo.png

219 ms

na-bgs.gif

na-bgs.gif

218 ms

banner03.jpg

banner03.jpg

1913 ms

banner02.jpg

banner02.jpg

2574 ms

banner01.jpg

banner01.jpg

2381 ms

lc.png

lc.png

447 ms

mc.png

mc.png

449 ms

rc.png

rc.png

779 ms

contgbg.jpg

contgbg.jpg

1661 ms

pro-bg.jpg

pro-bg.jpg

789 ms

ioc1.gif

ioc1.gif

996 ms

ico2.jpg

ico2.jpg

1050 ms

ico3.jpg

ico3.jpg

1214 ms

foot-bg.jpg

foot-bg.jpg

1317 ms

imgPlayer.png

imgPlayer.png

1446 ms

Accessibility Review

optic-fov.com accessibility score

63

Accessibility Issues

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

optic-fov.com best practices score

50

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

optic-fov.com SEO score

67

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optic-fov.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 Optic-fov.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

optic-fov.com

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