Tools & Wizards About Us
xlink.rsc.org screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

xlink.rsc.org

RSC Publishing Home – Chemical Science Journals, Books and Databases

Page Load Speed

3.6 sec in total

First Response

401 ms

Resources Loaded

2.9 sec

Page Rendered

279 ms

xlink.rsc.org screenshot

About Website

Click here to check amazing Xlink RSC content for China. Otherwise, check out these important facts you probably never knew about xlink.rsc.org

This platform provides access to journals, books and databases from RSC Publishing, linking over 1 million chemical science articles and chapters. You can access the latest research of interest using ...

Visit xlink.rsc.org

Key Findings

We analyzed Xlink.rsc.org page load time and found that the first response time was 401 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

xlink.rsc.org performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value27,270 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value35.9 s

0/100

10%

Network Requests Diagram

xlink.rsc.org

401 ms

pubs.rsc.org

517 ms

rscStyle.css

212 ms

pubs-local.css

206 ms

pubs-menu.css

209 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Xlink.rsc.org, 35% (20 requests) were made to Sod-a.rsc-cdn.org and 21% (12 requests) were made to Pubs.rsc.org. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Oas.rsc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 791.8 kB (56%)

Content Size

1.4 MB

After Optimization

630.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Xlink.rsc.org main page is 1.4 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. Javascripts take 547.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 76.2 kB

  • Original 94.4 kB
  • After minification 79.2 kB
  • After compression 18.3 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 15.3 kB, which is 16% 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 76.2 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 77.2 kB

  • Original 488.8 kB
  • After minification 411.6 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. Obviously, Xlink RSC needs image optimization as it can save up to 77.2 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 383.9 kB

  • Original 547.0 kB
  • After minification 506.3 kB
  • After compression 163.1 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 383.9 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 254.6 kB

  • Original 292.0 kB
  • After minification 214.6 kB
  • After compression 37.5 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. Xlink.rsc.org needs all CSS files to be minified and compressed as it can save up to 254.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (49%)

Requests Now

53

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xlink RSC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

xlink.rsc.org

xlink.rsc.org

401 ms

pubs.rsc.org

pubs.rsc.org

517 ms

rscStyle.css

rscStyle.css

212 ms

pubs-local.css

pubs-local.css

206 ms

pubs-menu.css

pubs-menu.css

209 ms

JQueryPlugins.min.js

JQueryPlugins.min.js

239 ms

Feedback.js

Feedback.js

238 ms

jquery.lazyloader.min.js

jquery.lazyloader.min.js

237 ms

jquery-ui-1.7.2.custom.min.js

jquery-ui-1.7.2.custom.min.js

256 ms

tab_content_most_read.css

tab_content_most_read.css

269 ms

museo-sans-500.css

museo-sans-500.css

206 ms

RSCePlatformHeaderFooterNew.css

RSCePlatformHeaderFooterNew.css

236 ms

Menu.js

Menu.js

235 ms

btn_search.png

btn_search.png

18 ms

ShowCaptcha

ShowCaptcha

180 ms

publishing-header-bg.jpg

publishing-header-bg.jpg

20 ms

publishing-logo.png

publishing-logo.png

18 ms

vec_down_arrow1.png

vec_down_arrow1.png

18 ms

Ajax-GA-Loader.gif

Ajax-GA-Loader.gif

20 ms

loading2.gif

loading2.gif

21 ms

chemspider_logo.png

chemspider_logo.png

70 ms

gtm.js

gtm.js

70 ms

default-site-header-bg.png

default-site-header-bg.png

15 ms

royal-society-of-chemistry-logo.png

royal-society-of-chemistry-logo.png

7 ms

MuseoSans_500-webfont.svg

MuseoSans_500-webfont.svg

5 ms

search_box.png

search_box.png

13 ms

search_btn.gif

search_btn.gif

17 ms

persistent-menu_bottom.gif

persistent-menu_bottom.gif

17 ms

analytics.js

analytics.js

78 ms

3o7.js

3o7.js

189 ms

go_bttn_s4.gif

go_bttn_s4.gif

6 ms

advertise

advertise

124 ms

ga.js

ga.js

46 ms

getorderitemcount

getorderitemcount

566 ms

welcometext

welcometext

192 ms

0

0

281 ms

news

news

233 ms

collect

collect

30 ms

__utm.gif

__utm.gif

15 ms

collect

collect

85 ms

1572212672@Right1,Right2,x01,x02

1572212672@Right1,Right2,x01,x02

1505 ms

ga-audiences

ga-audiences

69 ms

cc052024

cc052024

122 ms

dt045012

dt045012

118 ms

sc007003

sc007003

126 ms

tabs_bg_mostread.gif

tabs_bg_mostread.gif

13 ms

left_on.gif

left_on.gif

4 ms

right_on.gif

right_on.gif

4 ms

left.gif

left.gif

6 ms

right.gif

right.gif

6 ms

CoverIssue

CoverIssue

268 ms

CoverIssue

CoverIssue

642 ms

CoverIssue

CoverIssue

260 ms

021424_ChemSciRecognition_20_x_90-pixels.jpg

021424_ChemSciRecognition_20_x_90-pixels.jpg

6 ms

021424_banner_advert_white_pink.jpg

021424_banner_advert_white_pink.jpg

7 ms

Banner_120x240_px_EucheMS_NOV15.jpg

Banner_120x240_px_EucheMS_NOV15.jpg

9 ms

vapourtec-0003-120x90-b-v1.gif

vapourtec-0003-120x90-b-v1.gif

7 ms

Accessibility Review

xlink.rsc.org accessibility score

100

Accessibility Issues

Best Practices

xlink.rsc.org best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

xlink.rsc.org SEO score

97

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

    EN

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Xlink.rsc.org 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 Xlink.rsc.org main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

xlink.rsc.org

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