Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

en.maatoptical.com

Drive lens_CB Layer Coating lens_Photochromic Lens In Mass_SF Photochromic Single Vision lens_Mirror photochromic lenses

Page Load Speed

8.1 sec in total

First Response

1.8 sec

Resources Loaded

6.2 sec

Page Rendered

225 ms

About Website

Click here to check amazing En Maatoptical content. Otherwise, check out these important facts you probably never knew about en.maatoptical.com

Jiangsu Maat Optical Technology Co., Ltd was established in 1998.The main products are Drive lens,CB Layer Coating lens,Photochromic Lens In Mass,SF Photochromic Single Vision lens,Mirror photochromic...

Visit en.maatoptical.com

Key Findings

We analyzed En.maatoptical.com page load time and found that the first response time was 1.8 sec and then it took 6.4 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

en.maatoptical.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.163

72/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

Network Requests Diagram

en.maatoptical.com

1767 ms

iconfont.css,bootstrap.min.css,response.min.css

347 ms

site_impt_r.css

372 ms

ftmpl_impt_d68cd920-07a8-4f1e-962e-a4afe25d63d4.css

374 ms

page_impt_home.css

378 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 30% of them (15 requests) were addressed to the original En.maatoptical.com, 22% (11 requests) were made to Static201.yun300.cn and 12% (6 requests) were made to Static.yun300.cn. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain En.maatoptical.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 721.7 kB (28%)

Content Size

2.6 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of En.maatoptical.com main page is 2.6 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. 65% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 372.0 kB

  • Original 550.3 kB
  • After minification 539.4 kB
  • After compression 178.2 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 372.0 kB or 68% of the original size.

Image Optimization

-5%

Potential reduce by 66.7 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. En Maatoptical images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 10.9 kB

  • Original 203.5 kB
  • After minification 200.5 kB
  • After compression 192.6 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

-75%

Potential reduce by 272.0 kB

  • Original 364.9 kB
  • After minification 348.5 kB
  • After compression 92.9 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. En.maatoptical.com needs all CSS files to be minified and compressed as it can save up to 272.0 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (39%)

Requests Now

41

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En Maatoptical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

en.maatoptical.com accessibility score

71

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

en.maatoptical.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

en.maatoptical.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

High

robots.txt is not valid

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 En.maatoptical.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 En.maatoptical.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

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