Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

crystal-dove.com

南通子慧环保科技有限公司-首页

Page Load Speed

2.1 sec in total

First Response

173 ms

Resources Loaded

1.3 sec

Page Rendered

612 ms

crystal-dove.com screenshot

About Website

Welcome to crystal-dove.com homepage info - get ready to check Crystal Dove best content right away, or after learning these important things about crystal-dove.com

南通子慧环保科技有限公司-首页

Visit crystal-dove.com

Key Findings

We analyzed Crystal-dove.com page load time and found that the first response time was 173 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

crystal-dove.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

crystal-dove.com

173 ms

home.css

132 ms

main.css

134 ms

cookies.js

144 ms

jquery.min.js

142 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Crystal-dove.com, 71% (12 requests) were made to Bluehost.com and 12% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (429 ms) relates to the external source Bluehost.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 kB (0%)

Content Size

1.7 MB

After Optimization

1.7 MB

In fact, the total size of Crystal-dove.com main page is 1.7 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. 20% of websites need less resources to load. Javascripts take 690.2 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 3.0 kB

  • Original 4.8 kB
  • After minification 4.5 kB
  • After compression 1.8 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 3.0 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 340.6 kB
  • After minification 340.6 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. Crystal Dove images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 690.2 kB
  • After minification 690.2 kB
  • After compression 690.2 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 674.0 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

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crystal Dove. According to our analytics all requests are already optimized.

Accessibility Review

crystal-dove.com accessibility score

89

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

<frame> or <iframe> elements do not have a title

Best Practices

crystal-dove.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

crystal-dove.com SEO score

85

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

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crystal-dove.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Crystal-dove.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 Crystal Dove. 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: