Tools & Wizards About Us
expii.com screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

expii.com

Expii - Learn Creatively

Page Load Speed

1.1 sec in total

First Response

29 ms

Resources Loaded

605 ms

Page Rendered

442 ms

expii.com screenshot

About Website

Click here to check amazing Expii content for United States. Otherwise, check out these important facts you probably never knew about expii.com

Expii is a free personalized learning website with thousands of math and science lessons, providing diverse ways to learn each topic, through interactive explanations and video.

Visit expii.com

Key Findings

We analyzed Expii.com page load time and found that the first response time was 29 ms and then it took 1 sec 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

expii.com performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

expii.com

29 ms

expii.com

13 ms

www.expii.com

17 ms

js

239 ms

main.225019d6.css

6 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 91% of them (32 requests) were addressed to the original Expii.com, 3% (1 request) were made to Googletagmanager.com and 3% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (277 ms) relates to the external source App.getsentry.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.5 kB (18%)

Content Size

1.2 MB

After Optimization

984.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Expii.com main page is 1.2 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. 65% of websites need less resources to load. Images take 655.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 24.4 kB

  • Original 32.2 kB
  • After minification 32.2 kB
  • After compression 7.7 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 24.4 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 655.1 kB
  • After minification 655.1 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. Expii images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 296.3 kB
  • After minification 296.3 kB
  • After compression 293.6 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

-87%

Potential reduce by 194.4 kB

  • Original 222.4 kB
  • After minification 222.0 kB
  • After compression 28.1 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. Expii.com needs all CSS files to be minified and compressed as it can save up to 194.4 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Expii. According to our analytics all requests are already optimized.

Network Requests Diagram

expii.com

expii.com

29 ms

expii.com

expii.com

13 ms

www.expii.com

www.expii.com

17 ms

js

js

239 ms

main.225019d6.css

main.225019d6.css

6 ms

main.37cd97e2.js

main.37cd97e2.js

41 ms

katex.min.css

katex.min.css

36 ms

session

session

12 ms

277 ms

topic_titles

topic_titles

275 ms

flattened_map

flattened_map

154 ms

logoWhite.edf93e78.svg

logoWhite.edf93e78.svg

93 ms

expii_Photo_Edit_v3.d55e470d.png

expii_Photo_Edit_v3.d55e470d.png

99 ms

Prealgebra-2.9cf2a03b.svg

Prealgebra-2.9cf2a03b.svg

100 ms

Alg1-2.b9422c52.svg

Alg1-2.b9422c52.svg

102 ms

Bio-2.cc17ca87.svg

Bio-2.cc17ca87.svg

105 ms

expii_illo1_v3.63b6374b.png

expii_illo1_v3.63b6374b.png

107 ms

dc.8249827f.svg

dc.8249827f.svg

154 ms

slope.b28b9e10.svg

slope.b28b9e10.svg

126 ms

solve.40d40fbb.png

solve.40d40fbb.png

122 ms

expii_illo2_v2.13dfd8ed.png

expii_illo2_v2.13dfd8ed.png

136 ms

Alg2-2.2201b263.svg

Alg2-2.2201b263.svg

176 ms

Geometry-2.fb9febc9.svg

Geometry-2.fb9febc9.svg

122 ms

Calc-2.ba8208e1.svg

Calc-2.ba8208e1.svg

136 ms

AT-2.5ce878e2.svg

AT-2.5ce878e2.svg

139 ms

Chem-2.bc45b917.svg

Chem-2.bc45b917.svg

141 ms

Physics-2.c99b24ae.svg

Physics-2.c99b24ae.svg

144 ms

EarthScience-2.0775bd5a.svg

EarthScience-2.0775bd5a.svg

148 ms

Astronomy-2.144c8320.svg

Astronomy-2.144c8320.svg

146 ms

ic_x_bk.b735a9ff.svg

ic_x_bk.b735a9ff.svg

177 ms

expii_header2020.e01ae6f0.png

expii_header2020.e01ae6f0.png

91 ms

gothamssm-light.e9981fd1.woff2

gothamssm-light.e9981fd1.woff2

91 ms

gothamssm-book.3b654f8d.woff2

gothamssm-book.3b654f8d.woff2

91 ms

gothamssm-medium.90b394cf.woff2

gothamssm-medium.90b394cf.woff2

91 ms

gothamssm-bold.aa4a82e2.woff2

gothamssm-bold.aa4a82e2.woff2

91 ms

Accessibility Review

expii.com accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

expii.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

expii.com SEO score

96

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

High

Tap targets are not sized appropriately

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 Expii.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 Expii.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

expii.com

Open Graph data is detected on the main page of Expii. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: