Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

Page Load Speed

13.8 sec in total

First Response

2.9 sec

Resources Loaded

10.5 sec

Page Rendered

380 ms

replicaonline.cn screenshot

About Website

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Key Findings

We analyzed Replicaonline.cn page load time and found that the first response time was 2.9 sec and then it took 10.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

replicaonline.cn performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,640 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.123

84/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

replicaonline.cn

2939 ms

www.replicaonline.cn

4004 ms

style_imagehover.css

51 ms

style_tags.css

494 ms

stylesheet.css

66 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 96% of them (48 requests) were addressed to the original Replicaonline.cn, 4% (2 requests) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Replicaonline.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 218.0 kB (8%)

Content Size

2.9 MB

After Optimization

2.6 MB

In fact, the total size of Replicaonline.cn main page is 2.9 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. 45% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 28.9 kB

  • Original 33.9 kB
  • After minification 32.8 kB
  • After compression 5.0 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 28.9 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 131.9 kB

  • Original 2.7 MB
  • After minification 2.6 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. Replicaonline images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 51.2 kB

  • Original 112.7 kB
  • After minification 112.7 kB
  • After compression 61.4 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 51.2 kB or 45% of the original size.

CSS Optimization

-27%

Potential reduce by 6.0 kB

  • Original 22.0 kB
  • After minification 22.0 kB
  • After compression 16.0 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. Replicaonline.cn needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (48%)

Requests Now

46

After Optimization

24

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Replicaonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

replicaonline.cn accessibility score

55

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

replicaonline.cn 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

replicaonline.cn SEO score

58

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

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 Replicaonline.cn 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 Replicaonline.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

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