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causalimpact.com screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

causalimpact.com

Causal Impact: innovative strategic performance enhancement!

Page Load Speed

1.8 sec in total

First Response

271 ms

Resources Loaded

1.4 sec

Page Rendered

113 ms

causalimpact.com screenshot

About Website

Welcome to causalimpact.com homepage info - get ready to check Causal Impact best content right away, or after learning these important things about causalimpact.com

causal modelling of big data

Visit causalimpact.com

Key Findings

We analyzed Causalimpact.com page load time and found that the first response time was 271 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

causalimpact.com performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.173

69/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

causalimpact.com

271 ms

reset.css

106 ms

index.css

301 ms

browser-compatibility.js

203 ms

swfobject_modified.js

303 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Causalimpact.com and no external sources were called. The less responsive or slowest element that took the longest time to load (819 ms) belongs to the original domain Causalimpact.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.0 kB (18%)

Content Size

841.3 kB

After Optimization

689.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Causalimpact.com main page is 841.3 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. 30% of websites need less resources to load. Images take 673.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 6.7 kB

  • Original 9.6 kB
  • After minification 8.2 kB
  • After compression 2.9 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 1.4 kB, which is 14% 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 6.7 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 35.9 kB

  • Original 673.8 kB
  • After minification 637.9 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. Causal Impact images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 95.3 kB

  • Original 140.7 kB
  • After minification 131.9 kB
  • After compression 45.4 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 95.3 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 14.1 kB

  • Original 17.2 kB
  • After minification 14.5 kB
  • After compression 3.1 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. Causalimpact.com needs all CSS files to be minified and compressed as it can save up to 14.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (19%)

Requests Now

21

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Causal Impact. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

causalimpact.com

causalimpact.com

271 ms

reset.css

reset.css

106 ms

index.css

index.css

301 ms

browser-compatibility.js

browser-compatibility.js

203 ms

swfobject_modified.js

swfobject_modified.js

303 ms

menu_selection.js

menu_selection.js

210 ms

jquery-latest.min.js

jquery-latest.min.js

623 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

322 ms

logo_2014_300dpi.png

logo_2014_300dpi.png

103 ms

pensive_man_AA049220.JPG

pensive_man_AA049220.JPG

225 ms

diagram_BS28050.jpg

diagram_BS28050.jpg

217 ms

meeting_aa028633_20.jpg

meeting_aa028633_20.jpg

218 ms

pensive_woman_AA048936.JPG

pensive_woman_AA048936.JPG

122 ms

flowchart_BS28078.jpg

flowchart_BS28078.jpg

403 ms

at_the_blackboard_aa048572_20.jpg

at_the_blackboard_aa048572_20.jpg

356 ms

integrated_circuit_BS28035.jpg

integrated_circuit_BS28035.jpg

418 ms

intro_innovative.jpg

intro_innovative.jpg

819 ms

chart2_BS28050.JPG

chart2_BS28050.JPG

355 ms

red_spherish_plain_85x85.jpg

red_spherish_plain_85x85.jpg

629 ms

left.png

left.png

107 ms

right.png

right.png

106 ms

arrowreadmore.png

arrowreadmore.png

150 ms

Accessibility Review

causalimpact.com accessibility score

63

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

Best Practices

causalimpact.com best practices score

58

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

SEO Factors

causalimpact.com SEO score

58

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Causalimpact.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Causalimpact.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

causalimpact.com

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