Tools & Wizards About Us
zearn-fluency-qa.herokuapp.com screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zearn-fluency-qa.herokuapp.com

Zearn Math | Top-rated Math Learning Platform

Page Load Speed

553 ms in total

First Response

80 ms

Resources Loaded

419 ms

Page Rendered

54 ms

zearn-fluency-qa.herokuapp.com screenshot

About Website

Click here to check amazing Zearn Fluencyqa Herokuapp content for United States. Otherwise, check out these important facts you probably never knew about zearn-fluency-qa.herokuapp.com

Learning with Zearn helps math make sense. Students explore math through pictures, visual models, and real-life examples. Free for teachers, always. Sign Up.

Visit zearn-fluency-qa.herokuapp.com

Key Findings

We analyzed Zearn-fluency-qa.herokuapp.com page load time and found that the first response time was 80 ms and then it took 473 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

zearn-fluency-qa.herokuapp.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value21.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.8 s

0/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

Network Requests Diagram

zearn-fluency-qa.herokuapp.com

80 ms

rudder-analytics.min.js

232 ms

application-05455e38dcf2e9068d15092f77e691697626640e71259edff8a77846c28c89a7.css

18 ms

includes-0cefd422a45b081c065a53754fe114e1984e029503ec15601db3db18f826cac7.js

76 ms

application-a2353a832190ce14c9f550d723062decf4e0acc6fae68b1ce01b5448574db5f7.js

146 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 81% of them (22 requests) were addressed to the original Zearn-fluency-qa.herokuapp.com, 11% (3 requests) were made to Webassets.zearn.org and 7% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (269 ms) relates to the external source Fonts.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 627.8 kB (41%)

Content Size

1.5 MB

After Optimization

894.7 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Zearn-fluency-qa.herokuapp.com main page is 1.5 MB. 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. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 9.9 kB

  • Original 14.0 kB
  • After minification 13.7 kB
  • After compression 4.1 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 9.9 kB or 71% of the original size.

JavaScript Optimization

-35%

Potential reduce by 399.6 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 727.8 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 399.6 kB or 35% of the original size.

CSS Optimization

-57%

Potential reduce by 218.3 kB

  • Original 381.1 kB
  • After minification 381.0 kB
  • After compression 162.8 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. Zearn-fluency-qa.herokuapp.com needs all CSS files to be minified and compressed as it can save up to 218.3 kB or 57% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (88%)

Requests Now

26

After Optimization

3

  • AJAX
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zearn Fluencyqa Herokuapp. 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 from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zearn-fluency-qa.herokuapp.com

zearn-fluency-qa.herokuapp.com

80 ms

rudder-analytics.min.js

rudder-analytics.min.js

232 ms

application-05455e38dcf2e9068d15092f77e691697626640e71259edff8a77846c28c89a7.css

application-05455e38dcf2e9068d15092f77e691697626640e71259edff8a77846c28c89a7.css

18 ms

includes-0cefd422a45b081c065a53754fe114e1984e029503ec15601db3db18f826cac7.js

includes-0cefd422a45b081c065a53754fe114e1984e029503ec15601db3db18f826cac7.js

76 ms

application-a2353a832190ce14c9f550d723062decf4e0acc6fae68b1ce01b5448574db5f7.js

application-a2353a832190ce14c9f550d723062decf4e0acc6fae68b1ce01b5448574db5f7.js

146 ms

css

css

229 ms

css

css

269 ms

digital_7_fonts.css

digital_7_fonts.css

232 ms

all.min.css

all.min.css

257 ms

vendor-a68a6da8.js

vendor-a68a6da8.js

214 ms

lib-687e542a.js

lib-687e542a.js

69 ms

LatexUtil-edfc5a30.css

LatexUtil-edfc5a30.css

68 ms

landing_page-c1cd9f93.js

landing_page-c1cd9f93.js

67 ms

landing_page-9f537d9c.css

landing_page-9f537d9c.css

214 ms

AppLink-78235bfb.css

AppLink-78235bfb.css

214 ms

StandardLink-3868b0f8.css

StandardLink-3868b0f8.css

214 ms

ButtonLikeLink-270fa21e.css

ButtonLikeLink-270fa21e.css

227 ms

StandardButton-a5189006.css

StandardButton-a5189006.css

226 ms

StandardForm-eea83ca1.css

StandardForm-eea83ca1.css

227 ms

StandardFormInput-254c25f1.css

StandardFormInput-254c25f1.css

226 ms

StandardFormPasswordInput-7659fd08.css

StandardFormPasswordInput-7659fd08.css

226 ms

ThirdPartySignInButton-89edac1b.css

ThirdPartySignInButton-89edac1b.css

226 ms

ZearnLogo-06934be3.css

ZearnLogo-06934be3.css

230 ms

AppIcon-a4744b6a.css

AppIcon-a4744b6a.css

228 ms

AppButton-fd3601ff.css

AppButton-fd3601ff.css

229 ms

StandardFormField-62ba18d8.css

StandardFormField-62ba18d8.css

230 ms

StandardFormLocked-44630d1a.css

StandardFormLocked-44630d1a.css

265 ms

Accessibility Review

zearn-fluency-qa.herokuapp.com accessibility score

89

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

Buttons do not have an accessible name

Best Practices

zearn-fluency-qa.herokuapp.com best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

zearn-fluency-qa.herokuapp.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 Zearn-fluency-qa.herokuapp.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 Zearn-fluency-qa.herokuapp.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

zearn-fluency-qa.herokuapp.com

Open Graph description is not detected on the main page of Zearn Fluencyqa Herokuapp. 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: