Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

stat-design.com

Statistical Design Institute offers software, training and consulting on advanced methods for product development

Page Load Speed

607 ms in total

First Response

148 ms

Resources Loaded

341 ms

Page Rendered

118 ms

stat-design.com screenshot

About Website

Click here to check amazing Stat Design content. Otherwise, check out these important facts you probably never knew about stat-design.com

Home page for Statistical Design Institute (SDI) who develops advanced statistical methods and tools for product design.

Visit stat-design.com

Key Findings

We analyzed Stat-design.com page load time and found that the first response time was 148 ms and then it took 459 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

stat-design.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.178

68/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

stat-design.com

148 ms

asset_composer.js

63 ms

consolidated.css

39 ms

stacks.css

26 ms

stacks_page_page70.css

38 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Stat-design.com, 5% (1 request) were made to Static.zdassets.com and 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (148 ms) belongs to the original domain Stat-design.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.5 kB (18%)

Content Size

642.4 kB

After Optimization

527.9 kB

In fact, the total size of Stat-design.com main page is 642.4 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. 45% of websites need less resources to load. Images take 359.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 27.9 kB

  • Original 33.5 kB
  • After minification 31.6 kB
  • After compression 5.6 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 27.9 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 24.3 kB

  • Original 359.0 kB
  • After minification 334.7 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. Stat Design images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 56.6 kB

  • Original 200.0 kB
  • After minification 200.0 kB
  • After compression 143.4 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 56.6 kB or 28% of the original size.

CSS Optimization

-11%

Potential reduce by 5.7 kB

  • Original 49.9 kB
  • After minification 49.9 kB
  • After compression 44.3 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. Stat-design.com needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (65%)

Requests Now

17

After Optimization

6

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stat Design. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stat-design.com accessibility score

98

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

Best Practices

stat-design.com best practices score

67

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

stat-design.com SEO score

100

Search Engine Optimization Advices

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 Stat-design.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 Stat-design.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

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