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stem.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

stem.com

Global Leader in AI-driven Clean Energy Solutions & Services | Stem

Page Load Speed

1.9 sec in total

First Response

85 ms

Resources Loaded

1.3 sec

Page Rendered

522 ms

stem.com screenshot

About Website

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

Stem provides clean energy solutions and services designed to maximize the economic, environmental, and resilience value of energy assets and portfolios.

Visit stem.com

Key Findings

We analyzed Stem.com page load time and found that the first response time was 85 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

stem.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value1,770 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

stem.com

85 ms

www.stem.com

83 ms

www.stem.com

134 ms

ae-pro.min.css

39 ms

team.min.css

50 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 78% of them (67 requests) were addressed to the original Stem.com, 6% (5 requests) were made to Unpkg.com and 3% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (414 ms) belongs to the original domain Stem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 211.8 kB (18%)

Content Size

1.2 MB

After Optimization

966.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stem.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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 469.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 205.2 kB

  • Original 239.1 kB
  • After minification 232.4 kB
  • After compression 33.9 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. 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 205.2 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 469.1 kB
  • After minification 469.1 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. Stem images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 433 B

  • Original 308.3 kB
  • After minification 308.3 kB
  • After compression 307.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 6.2 kB

  • Original 161.5 kB
  • After minification 159.5 kB
  • After compression 155.3 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. Stem.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 65 (86%)

Requests Now

76

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stem.com

stem.com

85 ms

www.stem.com

www.stem.com

83 ms

www.stem.com

www.stem.com

134 ms

ae-pro.min.css

ae-pro.min.css

39 ms

team.min.css

team.min.css

50 ms

frontend.css

frontend.css

45 ms

groovy-28328.css

groovy-28328.css

44 ms

groovy-69018.css

groovy-69018.css

38 ms

groovy-socicon.css

groovy-socicon.css

66 ms

fontawesome.css

fontawesome.css

149 ms

font-internal.css

font-internal.css

223 ms

styles.min.css

styles.min.css

67 ms

swiper-bundle.min.css

swiper-bundle.min.css

69 ms

vegas.min.css

vegas.min.css

72 ms

style.css

style.css

66 ms

elementor-icons.min.css

elementor-icons.min.css

100 ms

frontend.min.css

frontend.min.css

92 ms

swiper.min.css

swiper.min.css

98 ms

post-17088.css

post-17088.css

92 ms

frontend.min.css

frontend.min.css

131 ms

post-22926.css

post-22926.css

120 ms

post-18356.css

post-18356.css

149 ms

post-17900.css

post-17900.css

145 ms

pum-site-styles.css

pum-site-styles.css

153 ms

addtoany.min.css

addtoany.min.css

158 ms

preset_17923.css

preset_17923.css

192 ms

general.min.css

general.min.css

239 ms

fontawesome.min.css

fontawesome.min.css

183 ms

solid.min.css

solid.min.css

177 ms

brands.min.css

brands.min.css

181 ms

page.js

page.js

62 ms

jquery.min.js

jquery.min.js

205 ms

jquery-migrate.min.js

jquery-migrate.min.js

206 ms

addtoany.min.js

addtoany.min.js

215 ms

js

js

99 ms

v2.js

v2.js

59 ms

animations.min.css

animations.min.css

224 ms

ae-pro.min.js

ae-pro.min.js

227 ms

index.min.js

index.min.js

309 ms

team.min.js

team.min.js

310 ms

frontend.js

frontend.js

310 ms

swiper-bundle.min.js

swiper-bundle.min.js

58 ms

tracker.js

tracker.js

414 ms

96976947.js

96976947.js

45 ms

vegas.min.js

vegas.min.js

414 ms

new-tab.js

new-tab.js

384 ms

core.min.js

core.min.js

276 ms

pum-site-scripts.js

pum-site-scripts.js

379 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

374 ms

general.min.js

general.min.js

369 ms

swiper-bundle.min.js

swiper-bundle.min.js

24 ms

make-column-clickable.js

make-column-clickable.js

413 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

411 ms

webpack.runtime.min.js

webpack.runtime.min.js

411 ms

swiper-bundle.min.css

swiper-bundle.min.css

17 ms

frontend-modules.min.js

frontend-modules.min.js

405 ms

swiper-bundle.min.css

swiper-bundle.min.css

19 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

380 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

378 ms

wp-polyfill.min.js

wp-polyfill.min.js

378 ms

hooks.min.js

hooks.min.js

379 ms

i18n.min.js

i18n.min.js

364 ms

frontend.min.js

frontend.min.js

334 ms

waypoints.min.js

waypoints.min.js

337 ms

frontend.min.js

frontend.min.js

374 ms

elements-handlers.min.js

elements-handlers.min.js

371 ms

css

css

26 ms

jquery.sticky.min.js

jquery.sticky.min.js

365 ms

analytics.js

analytics.js

164 ms

gtm.js

gtm.js

162 ms

Athena_APM_May-2_Press-Release-1-e1714494857445.png

Athena_APM_May-2_Press-Release-1-e1714494857445.png

259 ms

sm.25.html

sm.25.html

155 ms

eso.BRQnzO8v.js

eso.BRQnzO8v.js

155 ms

powerbidder_webinar_lp_header_image_2000x1200_v1.jpg

powerbidder_webinar_lp_header_image_2000x1200_v1.jpg

214 ms

dots-larger.svg

dots-larger.svg

210 ms

dots-no-highlight.svg

dots-no-highlight.svg

232 ms

Stem-U-Getting-Started_1-edited-e1694620740843.png

Stem-U-Getting-Started_1-edited-e1694620740843.png

213 ms

eicons.woff

eicons.woff

205 ms

fa-solid-900.woff

fa-solid-900.woff

221 ms

crane-font.woff

crane-font.woff

137 ms

linkid.js

linkid.js

26 ms

fa-brands-400.woff

fa-brands-400.woff

161 ms

collect

collect

37 ms

collect

collect

83 ms

js

js

66 ms

ga-audiences

ga-audiences

383 ms

Accessibility Review

stem.com accessibility score

88

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

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

Links do not have a discernible name

Best Practices

stem.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

stem.com SEO score

87

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

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 Stem.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 Stem.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

stem.com

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