Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

chemfiesta.org

The Cavalcade o' Chemistry | Celebrating 25 years of chemistry goodness. Seriously, we've been around since 1998!

Page Load Speed

702 ms in total

First Response

32 ms

Resources Loaded

343 ms

Page Rendered

327 ms

About Website

Welcome to chemfiesta.org homepage info - get ready to check Chemfiesta best content for United States right away, or after learning these important things about chemfiesta.org

Our world is a magical place, full of mystery and wonder.  And stuff like that. If you want to learn about the chemical part of the world, this is where you can do it.  I've got tutorials, practi...

Visit chemfiesta.org

Key Findings

We analyzed Chemfiesta.org page load time and found that the first response time was 32 ms and then it took 670 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

chemfiesta.org performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

chemfiesta.org

32 ms

chemfiesta.org

22 ms

style.css

90 ms

102 ms

89 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 12% of them (4 requests) were addressed to the original Chemfiesta.org, 26% (9 requests) were made to S2.wp.com and 12% (4 requests) were made to S0.wp.com. The less responsive or slowest element that took the longest time to load (143 ms) relates to the external source Stats.wp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.8 kB (30%)

Content Size

265.2 kB

After Optimization

184.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chemfiesta.org main page is 265.2 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. 40% of websites need less resources to load. HTML takes 98.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 75.1 kB

  • Original 98.6 kB
  • After minification 94.3 kB
  • After compression 23.4 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 75.1 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 5.1 kB

  • Original 98.0 kB
  • After minification 92.8 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. Chemfiesta images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 187 B

  • Original 21.8 kB
  • After minification 21.8 kB
  • After compression 21.6 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

-1%

Potential reduce by 345 B

  • Original 46.9 kB
  • After minification 46.9 kB
  • After compression 46.6 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. Chemfiesta.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (44%)

Requests Now

32

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemfiesta. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

chemfiesta.org accessibility score

85

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

Form elements do not have associated labels

Best Practices

chemfiesta.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

High

Browser errors were logged to the console

SEO Factors

chemfiesta.org SEO score

71

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

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 Chemfiesta.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 Chemfiesta.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

Open Graph data is detected on the main page of Chemfiesta. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: