4.4 sec in total
842 ms
3.2 sec
361 ms
Welcome to stem-works.com homepage info - get ready to check STEM Works best content for United States right away, or after learning these important things about stem-works.com
A resource for teachers, mentors, parents, STEM professionals and volunteers eager to help children learn about science, technology, engineering and math.
Visit stem-works.comWe analyzed Stem-works.com page load time and found that the first response time was 842 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
stem-works.com performance score
name
value
score
weighting
Value1.7 s
93/100
10%
Value6.1 s
12/100
25%
Value4.3 s
75/100
10%
Value0 ms
100/100
30%
Value0.014
100/100
15%
Value3.6 s
91/100
10%
842 ms
49 ms
226 ms
77 ms
223 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 96% of them (70 requests) were addressed to the original Stem-works.com, 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Stem-works.com.
Page size can be reduced by 969.7 kB (4%)
22.7 MB
21.8 MB
In fact, the total size of Stem-works.com main page is 22.7 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. 65% of websites need less resources to load. Images take 22.5 MB which makes up the majority of the site volume.
Potential reduce by 21.7 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. This page needs HTML code to be minified as it can gain 3.6 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 21.7 kB or 80% of the original size.
Potential reduce by 798.8 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 Works images are well optimized though.
Potential reduce by 70.9 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 70.9 kB or 57% of the original size.
Potential reduce by 78.4 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-works.com needs all CSS files to be minified and compressed as it can save up to 78.4 kB or 85% of the original size.
Number of requests can be reduced by 7 (11%)
65
58
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STEM Works. 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.
stem-works.com
842 ms
yui.reset-3.1.1.min.css
49 ms
screen.css
226 ms
script.min.js
77 ms
jquery-1.6.4.min.js
223 ms
jquery.placehold-0.2.min.js
91 ms
jquery.easing-1.3.min.js
100 ms
jquery.looparound.js
103 ms
jquery.selectreplace.min.js
110 ms
application.js
132 ms
ga.js
86 ms
header.jpg
305 ms
footer.jpg
238 ms
logo.png
74 ms
subject-icon-crime-scene-investigation.png
72 ms
Biometrics_Arrin.png
223 ms
Crime%20Scene%20Investigation_Wikimedia.jpg
483 ms
subject-icon-extreme-weather.png
112 ms
Earthquake_USGS.jpg
591 ms
Hurricane%20Hero%20Image_Wikimedia.JPG
471 ms
Tornado%20Hero%20Image_Wikimedia.jpg
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Tsunami_Wikimedia.jpg
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subject-icon-medical-innovations.png
345 ms
genetics.png
540 ms
prothetics.png
542 ms
brain.png
520 ms
subject-icon-other.png
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subject-icon-robotics.png
559 ms
subject-icon-space.png
567 ms
Deep%20Space.jpg
2089 ms
Our%20Solar%20System.jpg
619 ms
Space%20Exploration_2.jpg
887 ms
Subject-Icons.png
619 ms
Hummingbird.jpg
699 ms
Deer.JPG
878 ms
RhinoIguanaMay07Pedernales.jpg
707 ms
subject-icon-under-the-sea.png
783 ms
Sea%20Exploration.jpg
1328 ms
Reef%20Shark.jpg
1415 ms
Black%20Rockfish.jpg
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subject-icon-video-games.png
919 ms
subject-icon-wind-energy.png
928 ms
CSI%20Image.png
1028 ms
Thunderstorms.jpg
1042 ms
sw_hero.png
1142 ms
generic-subject-image.jpg
1119 ms
subject-image.png
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Orion%20Nebula.jpg
1680 ms
bold.woff
1236 ms
__utm.gif
25 ms
__utm.gif
37 ms
regular.woff
1224 ms
regular.woff
1148 ms
bold.woff
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italic.woff
1095 ms
italic.woff
1088 ms
Cheetah%20%20IIII-%20Stolz,%20Gary%20M.JPG
959 ms
Fire%20sponge_modified.jpg
1203 ms
subject-image.png
1162 ms
powerenergy-subject-image.jpg
1025 ms
scroller-nav.png
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primary-marketing.png
1044 ms
homepage-circles.png
1051 ms
homepage-people.png
1106 ms
home-featured-content.png
1080 ms
robotics-generic.png
1126 ms
videogame-generic.png
1084 ms
forensics-generic.png
1102 ms
nav-support.png
1011 ms
social-interactions.png
1043 ms
smu-logo-footer.png
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subjects-promo-wrapper.png
979 ms
print.css
45 ms
stem-works.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
stem-works.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
stem-works.com SEO score
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stem-works.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-works.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.
stem-works.com
Open Graph description is not detected on the main page of STEM Works. 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: