Tools & Wizards About Us

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

strong.io

Data Science Consulting and Machine Learning Engineering | Strong Analytics

Page Load Speed

1.4 sec in total

First Response

27 ms

Resources Loaded

944 ms

Page Rendered

417 ms

About Website

Click here to check amazing Strong content for Ukraine. Otherwise, check out these important facts you probably never knew about strong.io

We specialize in bringing data science, machine learning, and artificial intelligence projects to life through thoughtful design and rigorous engineering. We collaborate with top organizations to desi...

Visit strong.io

Key Findings

We analyzed Strong.io page load time and found that the first response time was 27 ms and then it took 1.4 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

strong.io performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.22

57/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

strong.io

27 ms

strong.io

50 ms

www.strong.io

487 ms

core.css

28 ms

cookieconsent.min.css

24 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 34% of them (16 requests) were addressed to the original Strong.io, 55% (26 requests) were made to S3.amazonaws.com and 4% (2 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (487 ms) belongs to the original domain Strong.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.9 kB (35%)

Content Size

682.9 kB

After Optimization

442.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Strong.io main page is 682.9 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. 40% of websites need less resources to load. Images take 584.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 51.7 kB

  • Original 69.5 kB
  • After minification 61.6 kB
  • After compression 17.8 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 7.8 kB, which is 11% 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 51.7 kB or 74% of the original size.

Image Optimization

-32%

Potential reduce by 186.2 kB

  • Original 584.9 kB
  • After minification 398.6 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, Strong needs image optimization as it can save up to 186.2 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-10%

Potential reduce by 3.0 kB

  • Original 28.5 kB
  • After minification 28.5 kB
  • After compression 25.6 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. Strong.io has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

38

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Strong. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

strong.io accessibility score

61

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

strong.io best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

strong.io SEO score

79

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Strong.io 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 Strong.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 Strong. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: