Tools & Wizards About Us
laserlens.cn screenshot

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

laserlens.cn

Laser lens,game accessory,PS2 Accessory,PlayStation 1,PlayStation 2,PlayStation 3,PSP,XBOX,Wii,MODCHIP,GAMECUBE

Page Load Speed

9.4 sec in total

First Response

2.3 sec

Resources Loaded

6.8 sec

Page Rendered

300 ms

laserlens.cn screenshot

About Website

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

Jin jia cheng electronics Co., Ltd. produce laser heads for any kind of VCD, DVD, games,related parts for philips van and laser heads for sony ps1,ps2,kss series etc.

Visit laserlens.cn

Key Findings

We analyzed Laserlens.cn page load time and found that the first response time was 2.3 sec and then it took 7.1 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

laserlens.cn performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value7.2 s

29/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

laserlens.cn

2348 ms

js.js

205 ms

jquery-1.4a2.min.js

651 ms

css.css

276 ms

slides.min.jquery.js

260 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that all of those requests were addressed to Laserlens.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Laserlens.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 498.9 kB (12%)

Content Size

4.3 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Laserlens.cn main page is 4.3 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 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 33.5 kB

  • Original 38.7 kB
  • After minification 34.6 kB
  • After compression 5.2 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 33.5 kB or 87% of the original size.

Image Optimization

-9%

Potential reduce by 380.4 kB

  • Original 4.1 MB
  • After minification 3.7 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. Laser Lens images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 78.1 kB

  • Original 106.8 kB
  • After minification 101.2 kB
  • After compression 28.7 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 78.1 kB or 73% of the original size.

CSS Optimization

-77%

Potential reduce by 6.8 kB

  • Original 8.9 kB
  • After minification 7.4 kB
  • After compression 2.1 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. Laserlens.cn needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

47

After Optimization

47

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laser Lens. According to our analytics all requests are already optimized.

Network Requests Diagram

laserlens.cn

laserlens.cn

2348 ms

js.js

js.js

205 ms

jquery-1.4a2.min.js

jquery-1.4a2.min.js

651 ms

css.css

css.css

276 ms

slides.min.jquery.js

slides.min.jquery.js

260 ms

top_logo.png

top_logo.png

85 ms

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20210813154214928.png

470 ms

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20210804130535234.png

242 ms

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20210701181829550.png

311 ms

20220730170025595.png

20220730170025595.png

561 ms

main_img1.jpg

main_img1.jpg

477 ms

main_img2.jpg

main_img2.jpg

255 ms

main_img3.jpg

main_img3.jpg

441 ms

main_img4.jpg

main_img4.jpg

441 ms

right_title_r.jpg

right_title_r.jpg

457 ms

left_ar.jpg

left_ar.jpg

515 ms

20220809183715414.png

20220809183715414.png

1224 ms

Details.jpg

Details.jpg

528 ms

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20220722153526684.png

1273 ms

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20220630155559218.png

1212 ms

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20220414154748576.png

2724 ms

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20211009173014364.png

1413 ms

right_ar.jpg

right_ar.jpg

710 ms

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20221015170534662.png

2774 ms

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20220812124442981.png

2362 ms

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20220715175847807.png

3109 ms

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20220701174036386.png

1772 ms

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20220629163528129.png

2262 ms

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20220629134233323.png

4016 ms

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20220425153716694.png

3950 ms

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20170723170509822.png

2862 ms

20170727155712116.png

20170727155712116.png

3009 ms

foot.jpg

foot.jpg

2909 ms

top_img.jpg

top_img.jpg

3145 ms

nav.jpg

nav.jpg

3010 ms

nav_dian.gif

nav_dian.gif

3081 ms

fg.jpg

fg.jpg

3096 ms

left_title.jpg

left_title.jpg

3200 ms

left_mid.jpg

left_mid.jpg

3229 ms

lidian.jpg

lidian.jpg

3167 ms

left_bottom.jpg

left_bottom.jpg

3270 ms

right_title_bj.jpg

right_title_bj.jpg

3231 ms

SearchBj.jpg

SearchBj.jpg

3044 ms

Searchan.jpg

Searchan.jpg

3060 ms

pro_name2.jpg

pro_name2.jpg

3048 ms

pro_name.jpg

pro_name.jpg

2986 ms

Foot_bj.jpg

Foot_bj.jpg

3077 ms

pagination.png

pagination.png

2935 ms

Accessibility Review

laserlens.cn accessibility score

54

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

laserlens.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

SEO Factors

laserlens.cn 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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Laserlens.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 Laserlens.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

laserlens.cn

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