Tools & Wizards About Us
stemfuse.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

stemfuse.com

STEM Curriculum: Elementary, Middle, & High School | STEM Fuse

Page Load Speed

2.8 sec in total

First Response

50 ms

Resources Loaded

2.1 sec

Page Rendered

612 ms

stemfuse.com screenshot

About Website

Welcome to stemfuse.com homepage info - get ready to check STEM Fuse best content for United States right away, or after learning these important things about stemfuse.com

A fully featured digital STEM curriculum and education platform that will fit your K-12 classroom and teaching style.

Visit stemfuse.com

Key Findings

We analyzed Stemfuse.com page load time and found that the first response time was 50 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

stemfuse.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value9,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value33.8 s

0/100

10%

Network Requests Diagram

stemfuse.com

50 ms

www.stemfuse.com

239 ms

gtm.js

93 ms

css_mbIRB7WrkIjlbu9hOOYQQMuEMqCbYd6RfO9od1Eof5k.css

49 ms

css_6Qsd9yh0WcB1l1X27RDz69Mdz3LVMO4RUTBsUaOgVRw.css

60 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 55% of them (41 requests) were addressed to the original Stemfuse.com, 9% (7 requests) were made to Fonts.gstatic.com and 8% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (909 ms) belongs to the original domain Stemfuse.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (33%)

Content Size

3.7 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stemfuse.com main page is 3.7 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. Only a small number of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 69.6 kB

  • Original 82.5 kB
  • After minification 70.9 kB
  • After compression 12.9 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 11.5 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 69.6 kB or 84% of the original size.

Image Optimization

-20%

Potential reduce by 493.0 kB

  • Original 2.5 MB
  • After minification 2.0 MB

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, STEM Fuse needs image optimization as it can save up to 493.0 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 249.4 kB

  • Original 550.0 kB
  • After minification 549.8 kB
  • After compression 300.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 249.4 kB or 45% of the original size.

CSS Optimization

-76%

Potential reduce by 428.4 kB

  • Original 560.0 kB
  • After minification 551.9 kB
  • After compression 131.6 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. Stemfuse.com needs all CSS files to be minified and compressed as it can save up to 428.4 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (40%)

Requests Now

63

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STEM Fuse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stemfuse.com

stemfuse.com

50 ms

www.stemfuse.com

www.stemfuse.com

239 ms

gtm.js

gtm.js

93 ms

css_mbIRB7WrkIjlbu9hOOYQQMuEMqCbYd6RfO9od1Eof5k.css

css_mbIRB7WrkIjlbu9hOOYQQMuEMqCbYd6RfO9od1Eof5k.css

49 ms

css_6Qsd9yh0WcB1l1X27RDz69Mdz3LVMO4RUTBsUaOgVRw.css

css_6Qsd9yh0WcB1l1X27RDz69Mdz3LVMO4RUTBsUaOgVRw.css

60 ms

css_fVRcA9OcjOUZfmrNlCijkHcVV7AdYKfqcSRkOE_t4M4.css

css_fVRcA9OcjOUZfmrNlCijkHcVV7AdYKfqcSRkOE_t4M4.css

61 ms

css_ZesDKEGpjDdiKWO_ZfMxV7NKbskm70sVC1xd7-r4FXE.css

css_ZesDKEGpjDdiKWO_ZfMxV7NKbskm70sVC1xd7-r4FXE.css

68 ms

css_hghXWONpxriVcXhe2kQ0J__Tssk7rxvilYVFk5xiMx4.css

css_hghXWONpxriVcXhe2kQ0J__Tssk7rxvilYVFk5xiMx4.css

131 ms

slick.css

slick.css

61 ms

all.css

all.css

64 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

57 ms

css

css

69 ms

STEMFuse-Logo_2.png

STEMFuse-Logo_2.png

73 ms

X65Aips_reM

X65Aips_reM

159 ms

TeacherSignInScreen_0.png

TeacherSignInScreen_0.png

102 ms

2020-11-23_20h26_54.png

2020-11-23_20h26_54.png

122 ms

2020-11-23_20h20_04.png

2020-11-23_20h20_04.png

102 ms

2020-11-23_20h25_00.png

2020-11-23_20h25_00.png

154 ms

stock-vector-material-design-icons-set-for-mobile-services-and-solutions-cloud-storage-video-marketing-data-662158660.png

stock-vector-material-design-icons-set-for-mobile-services-and-solutions-cloud-storage-video-marketing-data-662158660.png

86 ms

AQfG4r1UjsU

AQfG4r1UjsU

135 ms

stock-vector-material-design-icons-set-for-online-education-apps-virtual-classroom-education-network-lecture-662158651.png

stock-vector-material-design-icons-set-for-online-education-apps-virtual-classroom-education-network-lecture-662158651.png

82 ms

price_0.png

price_0.png

93 ms

stock-vector-material-design-icons-set-for-education-video-tutorials-online-courses-training-and-development-662158675.png

stock-vector-material-design-icons-set-for-education-video-tutorials-online-courses-training-and-development-662158675.png

92 ms

WorkforceDevelopmentSeriesHero10.jpeg

WorkforceDevelopmentSeriesHero10.jpeg

94 ms

shutterstock_626635895.png

shutterstock_626635895.png

103 ms

Teaching-blog-hero.jpg

Teaching-blog-hero.jpg

128 ms

STEM.jpg

STEM.jpg

129 ms

WorkforceDevelopmentSeriesHero11.jpg

WorkforceDevelopmentSeriesHero11.jpg

137 ms

WorkforceDevelopmentSeriesHero10.jpg

WorkforceDevelopmentSeriesHero10.jpg

136 ms

WorkforceDevelopmentSeriesHero9.jpg

WorkforceDevelopmentSeriesHero9.jpg

137 ms

js_srNvYcZC6P6a9w2jp3W0S6-9xYtFBNNAS7cj90b9QQU.js

js_srNvYcZC6P6a9w2jp3W0S6-9xYtFBNNAS7cj90b9QQU.js

139 ms

js_mWurYxkviLEZ4t_HgqY6aaJel7kaGmIUoe6VcSmR_6c.js

js_mWurYxkviLEZ4t_HgqY6aaJel7kaGmIUoe6VcSmR_6c.js

139 ms

page.js

page.js

46 ms

js_xBCiemHdGRkBEbxDc4S_h_59k-X8xWoM7QFOELRZ0Cc.js

js_xBCiemHdGRkBEbxDc4S_h_59k-X8xWoM7QFOELRZ0Cc.js

136 ms

slick.min.js

slick.min.js

40 ms

js_22KXRttXlmORslAwWz2OGo7nUki7D7gHOgGysf-ZUg8.js

js_22KXRttXlmORslAwWz2OGo7nUki7D7gHOgGysf-ZUg8.js

136 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

42 ms

js_3EWiVMtKK3-mLo5GTXlikcvortx9HcjtxRKff9aolEc.js

js_3EWiVMtKK3-mLo5GTXlikcvortx9HcjtxRKff9aolEc.js

909 ms

WorkforceDevelopmentSeries2Hero_0.jpg

WorkforceDevelopmentSeries2Hero_0.jpg

137 ms

WorkforceDevelopmentSeriesHero8.jpg

WorkforceDevelopmentSeriesHero8.jpg

136 ms

WorkforceDevelopmentSeriesHero7.jpg

WorkforceDevelopmentSeriesHero7.jpg

138 ms

Kevin-Dick.jpg

Kevin-Dick.jpg

219 ms

Nasco%20Education%20Logo.jpg

Nasco%20Education%20Logo.jpg

220 ms

Best%20Buy%20Education%20Logo.png

Best%20Buy%20Education%20Logo.png

220 ms

Scirra%20Logo.png

Scirra%20Logo.png

220 ms

Precision%20Exams%20Logo_0.png

Precision%20Exams%20Logo_0.png

220 ms

STEMFuse-Logo-WhiteFooter.png

STEMFuse-Logo-WhiteFooter.png

220 ms

bsc7sop.css

bsc7sop.css

71 ms

www-player.css

www-player.css

19 ms

www-embed-player.js

www-embed-player.js

47 ms

base.js

base.js

94 ms

p.css

p.css

473 ms

ad_status.js

ad_status.js

600 ms

jDVVIT4ZwDHfBiET8TcWj790JrYgF6qU1g_sOcBWI_w.js

jDVVIT4ZwDHfBiET8TcWj790JrYgF6qU1g_sOcBWI_w.js

462 ms

embed.js

embed.js

76 ms

dropdown.svg

dropdown.svg

307 ms

Untitled%20design%20-%202020-06-27T113924.669.png

Untitled%20design%20-%202020-06-27T113924.669.png

310 ms

Untitled%20design%20-%202020-06-27T113924.669.png

Untitled%20design%20-%202020-06-27T113924.669.png

309 ms

id

id

133 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

478 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

607 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

619 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf

606 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

608 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

620 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

620 ms

fa-solid-900.woff

fa-solid-900.woff

473 ms

fa-regular-400.woff

fa-regular-400.woff

475 ms

slick.woff

slick.woff

146 ms

Create

Create

576 ms

Create

Create

711 ms

Create

Create

711 ms

Create

Create

713 ms

sm.25.html

sm.25.html

467 ms

eso.D0Uc7kY6.js

eso.D0Uc7kY6.js

598 ms

Accessibility Review

stemfuse.com accessibility score

73

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

High

ARIA IDs are not unique

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.

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

High

Links do not have a discernible name

Best Practices

stemfuse.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

High

Page has valid source maps

SEO Factors

stemfuse.com 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stemfuse.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 Stemfuse.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

stemfuse.com

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