Tools & Wizards About Us
sciencetimes.com.cn screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

sciencetimes.com.cn

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Page Load Speed

2.5 sec in total

First Response

373 ms

Resources Loaded

1.4 sec

Page Rendered

777 ms

sciencetimes.com.cn screenshot

About Website

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Key Findings

We analyzed Sciencetimes.com.cn page load time and found that the first response time was 373 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sciencetimes.com.cn performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

sciencetimes.com.cn

373 ms

ewave-plugins.css

137 ms

ewave-ui.css

200 ms

style.css

204 ms

jquery.min.js

233 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Sciencetimes.com.cn, 5% (1 request) were made to Sdk.51.la and 5% (1 request) were made to Push.zhanzhang.baidu.com. The less responsive or slowest element that took the longest time to load (532 ms) relates to the external source Push.zhanzhang.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.9 kB (43%)

Content Size

320.9 kB

After Optimization

183.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sciencetimes.com.cn main page is 320.9 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. 25% of websites need less resources to load. Javascripts take 143.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 92.1 kB

  • Original 113.3 kB
  • After minification 113.3 kB
  • After compression 21.2 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 92.1 kB or 81% of the original size.

Image Optimization

-88%

Potential reduce by 14.1 kB

  • Original 16.0 kB
  • After minification 1.9 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. Obviously, Sciencetimes needs image optimization as it can save up to 14.1 kB or 88% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 19.8 kB

  • Original 143.9 kB
  • After minification 143.9 kB
  • After compression 124.1 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 19.8 kB or 14% of the original size.

CSS Optimization

-25%

Potential reduce by 12.0 kB

  • Original 47.7 kB
  • After minification 47.7 kB
  • After compression 35.8 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. Sciencetimes.com.cn needs all CSS files to be minified and compressed as it can save up to 12.0 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (32%)

Requests Now

19

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciencetimes. 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 as a result speed up the page load time.

Network Requests Diagram

sciencetimes.com.cn

sciencetimes.com.cn

373 ms

ewave-plugins.css

ewave-plugins.css

137 ms

ewave-ui.css

ewave-ui.css

200 ms

style.css

style.css

204 ms

jquery.min.js

jquery.min.js

233 ms

ewave-plugins.js

ewave-plugins.js

300 ms

ewave-global.js

ewave-global.js

150 ms

home.js

home.js

213 ms

ewave-common.js

ewave-common.js

215 ms

float_top.js

float_top.js

299 ms

index_banner_1.js

index_banner_1.js

328 ms

index_banner_3.js

index_banner_3.js

262 ms

banner_bottom.js

banner_bottom.js

262 ms

float_bottom.js

float_bottom.js

260 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

454 ms

loading.png

loading.png

151 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

199 ms

list_icon1.png

list_icon1.png

93 ms

list_icon2.png

list_icon2.png

94 ms

list_icon3.png

list_icon3.png

94 ms

push.js

push.js

532 ms

Accessibility Review

sciencetimes.com.cn accessibility score

80

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.

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

sciencetimes.com.cn 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

sciencetimes.com.cn SEO score

98

Search Engine Optimization Advices

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencetimes.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Sciencetimes.com.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

sciencetimes.com.cn

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