Tools & Wizards About Us

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

prometheus.io

Prometheus - Monitoring system & time series database

Page Load Speed

951 ms in total

First Response

47 ms

Resources Loaded

639 ms

Page Rendered

265 ms

About Website

Welcome to prometheus.io homepage info - get ready to check Prometheus best content for China right away, or after learning these important things about prometheus.io

An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach.

Visit prometheus.io

Key Findings

We analyzed Prometheus.io page load time and found that the first response time was 47 ms and then it took 904 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

prometheus.io performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

54/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

prometheus.io

47 ms

prometheus.io

68 ms

bootstrap.min.css

28 ms

docsearch.min.css

35 ms

docs.css

43 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 80% of them (48 requests) were addressed to the original Prometheus.io, 8% (5 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (375 ms) belongs to the original domain Prometheus.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.1 kB (30%)

Content Size

451.3 kB

After Optimization

315.2 kB

  • HTML
  • Images

In fact, the total size of Prometheus.io main page is 451.3 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. 35% of websites need less resources to load. Images take 434.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.4 kB

  • Original 16.9 kB
  • After minification 14.9 kB
  • After compression 4.5 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 2.0 kB, which is 12% 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 12.4 kB or 73% of the original size.

Image Optimization

-28%

Potential reduce by 123.7 kB

  • Original 434.4 kB
  • After minification 310.7 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, Prometheus needs image optimization as it can save up to 123.7 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 11 (21%)

Requests Now

52

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prometheus. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

prometheus.io accessibility score

87

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

prometheus.io best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

prometheus.io SEO score

92

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

Image elements do not have [alt] attributes

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

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 Prometheus.io 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 Prometheus.io 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 Prometheus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: