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x-mol.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

x-mol.com

X-MOL学术平台

Page Load Speed

6.3 sec in total

First Response

604 ms

Resources Loaded

5.5 sec

Page Rendered

151 ms

x-mol.com screenshot

About Website

Click here to check amazing X Mol content for China. Otherwise, check out these important facts you probably never knew about x-mol.com

X-MOL学术平台，Top期刊论文图文内容每日更新，海内外课题组信息，行业新闻文摘，化学类网址导航，化学软件和数据库导航，及更多其他内容

Visit x-mol.com

Key Findings

We analyzed X-mol.com page load time and found that the first response time was 604 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

x-mol.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value15.4 s

1/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.0 s

7/100

10%

Network Requests Diagram

x-mol.com

604 ms

www.x-mol.com

1125 ms

bootstrap_old.css

984 ms

font-awesome.css

981 ms

flat-ui.css

1016 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 11% of them (3 requests) were addressed to the original X-mol.com, 70% (19 requests) were made to Scdn.x-mol.com and 4% (1 request) were made to V1.cnzz.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source C.cnzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.7 kB (63%)

Content Size

311.0 kB

After Optimization

115.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of X-mol.com main page is 311.0 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. 30% of websites need less resources to load. Images take 142.9 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 35.8 kB

  • Original 40.7 kB
  • After minification 16.0 kB
  • After compression 4.9 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. This page needs HTML code to be minified as it can gain 24.7 kB, which is 61% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 35.8 kB or 88% of the original size.

Image Optimization

-88%

Potential reduce by 125.4 kB

  • Original 142.9 kB
  • After minification 17.5 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, X Mol needs image optimization as it can save up to 125.4 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

-59%

Potential reduce by 8.7 kB

  • Original 14.8 kB
  • After minification 14.8 kB
  • After compression 6.1 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 8.7 kB or 59% of the original size.

CSS Optimization

-23%

Potential reduce by 25.8 kB

  • Original 112.5 kB
  • After minification 112.5 kB
  • After compression 86.8 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. X-mol.com needs all CSS files to be minified and compressed as it can save up to 25.8 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (33%)

Requests Now

24

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of X Mol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

x-mol.com

x-mol.com

604 ms

www.x-mol.com

www.x-mol.com

1125 ms

bootstrap_old.css

bootstrap_old.css

984 ms

font-awesome.css

font-awesome.css

981 ms

flat-ui.css

flat-ui.css

1016 ms

X-style_zh_CN.css

X-style_zh_CN.css

1264 ms

require.js

require.js

1004 ms

z_stat.php

z_stat.php

1484 ms

built.js

built.js

466 ms

20240605%2F1717567269277.jpg

20240605%2F1717567269277.jpg

1483 ms

1723631062338

1723631062338

242 ms

icon-close.png

icon-close.png

216 ms

new-home-logo.jpg

new-home-logo.jpg

212 ms

app-download.png

app-download.png

196 ms

wechat-qr.png

wechat-qr.png

206 ms

beian.png

beian.png

400 ms

moquu_down.png

moquu_down.png

350 ms

moquu_wapp-new.png

moquu_wapp-new.png

361 ms

moquu_weixin.png

moquu_weixin.png

363 ms

moquu_wshare-new.png

moquu_wshare-new.png

545 ms

moquu_feed.png

moquu_feed.png

535 ms

moquu_feed_no_read.png

moquu_feed_no_read.png

554 ms

moquu_top.png

moquu_top.png

563 ms

push.js

push.js

1164 ms

stat.htm

stat.htm

1616 ms

c.js

c.js

2314 ms

index.js

index.js

215 ms

Accessibility Review

x-mol.com accessibility score

66

Accessibility Issues

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

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

x-mol.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

x-mol.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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

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

x-mol.com

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