Report Summary

  • 24


    Renders faster than
    43% of other websites

  • 94


    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 78


    Google-friendlier than
    39% of websites

Prometheus Kilns For Art Clay, PMC, Dichroics, Enamelling, And Glass

Page Load Speed

10 sec in total

First Response

465 ms

Resources Loaded

9 sec

Page Rendered

537 ms screenshot

About Website

Click here to check amazing Prometheus Kilns content. Otherwise, check out these important facts you probably never knew about

Prometheus Pro Kilns for ArtClay and PMC silver clay, dichroics, enamels, annealing, fusing, sagging, and slumping glass, heat treating, jewellery, low-fire ceramics, and bronze and copper metal clays


Key Findings

We analyzed page load time and found that the first response time was 465 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics performance score


Measured Metrics





FCP (First Contentful Paint)

Value4.0 s



LCP (Largest Contentful Paint)

Value6.0 s



SI (Speed Index)

Value7.7 s



TBT (Total Blocking Time)

Value4,950 ms



CLS (Cumulative Layout Shift)




TTI (Time to Interactive)

Value14.8 s



Network Requests Diagram

465 ms

970 ms


914 ms


807 ms


360 ms

Our browser made a total of 220 requests to load all elements on the main page. We found that 4% of them (9 requests) were addressed to the original, 53% (116 requests) were made to and 40% (88 requests) were made to The less responsive or slowest element that took the longest time to load (4.8 sec) relates to the external source

Page Optimization Overview & Recommendations

Page size can be reduced by 404.4 kB (10%)

Content Size

4.2 MB

After Optimization

3.8 MB

In fact, the total size of main page is 4.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 137.6 kB

  • Original 189.0 kB
  • After minification 188.8 kB
  • After compression 51.4 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 137.6 kB or 73% of the original size.

Image Optimization


Potential reduce by 28.4 kB

  • Original 3.7 MB
  • After minification 3.7 MB

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. Prometheus Kilns images are well optimized though.

JavaScript Optimization


Potential reduce by 164.1 kB

  • Original 217.8 kB
  • After minification 195.3 kB
  • After compression 53.7 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 164.1 kB or 75% of the original size.

CSS Optimization


Potential reduce by 74.3 kB

  • Original 79.4 kB
  • After minification 50.4 kB
  • After compression 5.0 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. needs all CSS files to be minified and compressed as it can save up to 74.3 kB or 94% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (5%)

Requests Now


After Optimization


The browser has sent 218 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prometheus Kilns. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review accessibility score


Accessibility Issues


These are opportunities to improve the legibility of your content.




Background and foreground colors do not have a sufficient contrast ratio.

Best Practices best practices score


Areas of Improvement

Trust and Safety




Does not use HTTPS


Ensure CSP is effective against XSS attacks

User Experience




Displays images with incorrect aspect ratio


Serves images with low resolution

SEO Factors SEO score


Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.




Links are not crawlable

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](




Document doesn't use legible font sizes


Tap targets are not sized appropriately

Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 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 description is not detected on the main page of Prometheus Kilns. 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: