Tools & Wizards About Us
staroptic.en.made-in-china.com screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

staroptic.en.made-in-china.com

China Optical Lens Manufacturer, Optical Lens, Plano Convex Spherical Supplier - Wuhan Star Optic Technology Co., Ltd.

Page Load Speed

197 ms in total

First Response

39 ms

Resources Loaded

88 ms

Page Rendered

70 ms

staroptic.en.made-in-china.com screenshot

About Website

Visit staroptic.en.made-in-china.com now to see the best up-to-date Star Optic En Madein China content for China and also check out these interesting facts you probably never knew about staroptic.en.made-in-china.com

China Optical Lens Supplier, Optical Lens, Plano Convex Spherical Manufacturers/ Suppliers - Wuhan Star Optic Technology Co., Ltd.

Visit staroptic.en.made-in-china.com

Key Findings

We analyzed Staroptic.en.made-in-china.com page load time and found that the first response time was 39 ms and then it took 158 ms 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. This domain responded with an error, which can significantly jeopardize Staroptic.en.made-in-china.com rating and web reputation

Performance Metrics

staroptic.en.made-in-china.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value2,950 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

staroptic.en.made-in-china.com

39 ms

v1

22 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

44 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 67% of them (2 requests) were addressed to the original Staroptic.en.made-in-china.com, 33% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (44 ms) relates to the external source Static.cloudflareinsights.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.3 kB (1%)

Content Size

485.0 kB

After Optimization

479.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Staroptic.en.made-in-china.com main page is 485.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 313.0 kB which makes up the majority of the site volume.

HTML Optimization

-34%

Potential reduce by 2.8 kB

  • Original 8.1 kB
  • After minification 8.1 kB
  • After compression 5.4 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 2.8 kB or 34% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 53.0 kB
  • After minification 53.0 kB

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. Star Optic En Madein China images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.5 kB

  • Original 313.0 kB
  • After minification 312.9 kB
  • After compression 310.5 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

-0%

Potential reduce by 0 B

  • Original 110.8 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.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • JavaScript

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Star Optic En Madein China. According to our analytics all requests are already optimized.

Network Requests Diagram

staroptic.en.made-in-china.com

staroptic.en.made-in-china.com

39 ms

v1

v1

22 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

44 ms

Accessibility Review

staroptic.en.made-in-china.com accessibility score

43

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.

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

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

staroptic.en.made-in-china.com 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

High

Page has valid source maps

SEO Factors

staroptic.en.made-in-china.com SEO score

86

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Staroptic.en.made-in-china.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Staroptic.en.made-in-china.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

staroptic.en.made-in-china.com

Open Graph description is not detected on the main page of Star Optic En Madein China. 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: