Tools & Wizards About Us
cluetrain.com screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

cluetrain.com

The Cluetrain Manifesto

Page Load Speed

1 sec in total

First Response

99 ms

Resources Loaded

426 ms

Page Rendered

479 ms

cluetrain.com screenshot

About Website

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

The Cluetrain Manifesto

Visit cluetrain.com

Key Findings

We analyzed Cluetrain.com page load time and found that the first response time was 99 ms and then it took 905 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

cluetrain.com performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

cluetrain.com

99 ms

cluetrain.com

71 ms

cluetrain.css

23 ms

jquery.min.js

17 ms

88x31.png

96 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 81% of them (13 requests) were addressed to the original Cluetrain.com, 6% (1 request) were made to Ajax.googleapis.com and 6% (1 request) were made to I.creativecommons.org. The less responsive or slowest element that took the longest time to load (99 ms) belongs to the original domain Cluetrain.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.5 kB (19%)

Content Size

143.2 kB

After Optimization

115.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cluetrain.com main page is 143.2 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. Only 10% of websites need less resources to load. Images take 79.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 22.3 kB

  • Original 32.6 kB
  • After minification 30.8 kB
  • After compression 10.3 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 22.3 kB or 68% of the original size.

Image Optimization

-7%

Potential reduce by 5.3 kB

  • Original 79.1 kB
  • After minification 73.8 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. Cluetrain images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 3 B

  • Original 29.7 kB
  • After minification 29.7 kB
  • After compression 29.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 1.9 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.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cluetrain. According to our analytics all requests are already optimized.

Network Requests Diagram

cluetrain.com

cluetrain.com

99 ms

cluetrain.com

cluetrain.com

71 ms

cluetrain.css

cluetrain.css

23 ms

jquery.min.js

jquery.min.js

17 ms

88x31.png

88x31.png

96 ms

cover187-cluetrain-10th-0465018653.jpg

cover187-cluetrain-10th-0465018653.jpg

13 ms

dilloweird.png

dilloweird.png

25 ms

book-mid.gif

book-mid.gif

46 ms

cluetrain.letters.gif

cluetrain.letters.gif

36 ms

hebrewline.jpg

hebrewline.jpg

37 ms

nihongo3.gif

nihongo3.gif

38 ms

dillo2.jpg

dillo2.jpg

48 ms

not.gif

not.gif

38 ms

manifesto.gif

manifesto.gif

47 ms

cover187-cluetrain-10th-0465018653.jpg

cover187-cluetrain-10th-0465018653.jpg

48 ms

88x31.png

88x31.png

66 ms

Accessibility Review

cluetrain.com accessibility score

59

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

cluetrain.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cluetrain.com SEO score

69

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cluetrain.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Cluetrain.com 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

cluetrain.com

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