Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

prometheuslabs.com

Home - Prometheus Laboratories

Page Load Speed

832 ms in total

First Response

177 ms

Resources Loaded

556 ms

Page Rendered

99 ms

About Website

Visit prometheuslabs.com now to see the best up-to-date Prometheus Labs content for United States and also check out these interesting facts you probably never knew about prometheuslabs.com

Committed to improving lives through the delivery of innovative diagnostic and therapeutic products that enable clinicians to provide optimal care for their patients.

Visit prometheuslabs.com

Key Findings

We analyzed Prometheuslabs.com page load time and found that the first response time was 177 ms and then it took 655 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

prometheuslabs.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

prometheuslabs.com

177 ms

Prometheus.css

89 ms

jquery-1.7.2.min.js

178 ms

menu.js

91 ms

jquery.loadImages.min.1.1.0.js

43 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Prometheuslabs.com, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (182 ms) belongs to the original domain Prometheuslabs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.2 kB (67%)

Content Size

83.6 kB

After Optimization

27.4 kB

In fact, the total size of Prometheuslabs.com main page is 83.6 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. Javascripts take 52.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.3 kB

  • Original 13.3 kB
  • After minification 11.0 kB
  • After compression 4.0 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 2.3 kB, which is 17% 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 9.3 kB or 70% of the original size.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-86%

Potential reduce by 15.0 kB

  • Original 17.4 kB
  • After minification 11.6 kB
  • After compression 2.4 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. Prometheuslabs.com needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prometheus Labs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

prometheuslabs.com accessibility score

95

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

prometheuslabs.com 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

prometheuslabs.com SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prometheuslabs.com 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 Prometheuslabs.com main page’s claimed encoding is iso-8859-1. 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

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