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chemy.org screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

chemy.org

Alchemy | An open drawing project

Page Load Speed

2 sec in total

First Response

186 ms

Resources Loaded

1.6 sec

Page Rendered

131 ms

chemy.org screenshot

About Website

Welcome to chemy.org homepage info - get ready to check Chemy best content for Russia right away, or after learning these important things about chemy.org

Alchemy is an open drawing project aimed at exploring how we can sketch, draw, and create on computers in new ways.

Visit chemy.org

Key Findings

We analyzed Chemy.org page load time and found that the first response time was 186 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

chemy.org performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.4 s

99/100

10%

Network Requests Diagram

chemy.org

186 ms

al.chemy.org

169 ms

style.css

80 ms

swfobject.js

157 ms

alchemy.gif

156 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 9% of them (1 request) were addressed to the original Chemy.org, 73% (8 requests) were made to Al.chemy.org and 18% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Al.chemy.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.3 kB (8%)

Content Size

104.8 kB

After Optimization

96.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chemy.org main page is 104.8 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. 15% of websites need less resources to load. Images take 76.1 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 5.0 kB

  • Original 7.8 kB
  • After minification 7.6 kB
  • After compression 2.8 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 5.0 kB or 64% of the original size.

Image Optimization

-4%

Potential reduce by 2.8 kB

  • Original 76.1 kB
  • After minification 73.3 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. Chemy images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 177 B

  • Original 19.4 kB
  • After minification 19.4 kB
  • After compression 19.2 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

-23%

Potential reduce by 320 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.1 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. Chemy.org needs all CSS files to be minified and compressed as it can save up to 320 B or 23% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemy. According to our analytics all requests are already optimized.

Network Requests Diagram

chemy.org

chemy.org

186 ms

al.chemy.org

al.chemy.org

169 ms

style.css

style.css

80 ms

swfobject.js

swfobject.js

157 ms

alchemy.gif

alchemy.gif

156 ms

japanese.gif

japanese.gif

159 ms

rotate.php

rotate.php

1206 ms

page-magazine.jpg

page-magazine.jpg

305 ms

beta008.gif

beta008.gif

230 ms

ga.js

ga.js

7 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

chemy.org accessibility score

93

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.

Best Practices

chemy.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

chemy.org SEO score

77

Search Engine Optimization Advices

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 Chemy.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 Chemy.org 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

chemy.org

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