1.1 sec in total
100 ms
514 ms
506 ms
Click here to check amazing Robot Room content for United States. Otherwise, check out these important facts you probably never knew about robotroom.com
Robot schematics, books, and circuits for mini-sumo, line-following, BEAM, and electronic projects. DIY instructions on making robots at home. Basic help and tips on how to build robotic sensors. Home...
Visit robotroom.comWe analyzed Robotroom.com page load time and found that the first response time was 100 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.
robotroom.com performance score
name
value
score
weighting
Value1.4 s
98/100
10%
Value1.6 s
99/100
25%
Value1.4 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.4 s
100/100
10%
100 ms
113 ms
20 ms
56 ms
78 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that all of those requests were addressed to Robotroom.com and no external sources were called. The less responsive or slowest element that took the longest time to load (199 ms) belongs to the original domain Robotroom.com.
Page size can be reduced by 80.8 kB (11%)
723.3 kB
642.5 kB
In fact, the total size of Robotroom.com main page is 723.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 678.2 kB which makes up the majority of the site volume.
Potential reduce by 29.6 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 29.6 kB or 68% of the original size.
Potential reduce by 50.9 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. Robot Room images are well optimized though.
Potential reduce by 278 B
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. Robotroom.com needs all CSS files to be minified and compressed as it can save up to 278 B or 15% of the original size.
We found no issues to fix!
64
64
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robot Room. According to our analytics all requests are already optimized.
robotroom.com
100 ms
robotroom.com
113 ms
Robot-Room.css
20 ms
David-Cook-Thinking-About-Robots.png
56 ms
Robot-Room-Alphanumeric-LEDs.png
78 ms
LED.gif
67 ms
Robot-Building-For-Beginners-Second-Edition-Cover-New.jpg
72 ms
IRBThumbnail.jpg
71 ms
Twitter_Logo_Blue.png
70 ms
ThinYellowWire730.gif
75 ms
downloads_logomark_color_on_navy.png
90 ms
become_a_patron_button.png
92 ms
Goodbye-adsense-thumbnail.png
114 ms
5V-regulator-with-power-indicator-light-thumbnail.jpg
118 ms
Tiny-chip-regulator-thumbnail.jpg
97 ms
3D-printed-spool-with-wire-thumbnail.png
121 ms
Waveform-generator-thumbnail.png
113 ms
Lead-forming-tool-thumbnail.jpg
136 ms
Circular-LED-bulb-thumbnail.jpg
116 ms
Faulty-capacitors-thumbnail.jpg
156 ms
Bismuth-crystal-thumbnail.jpg
137 ms
Sun-Tracker-thumbnail.png
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Desk-mount-tablet-arm-for-YouTube-videos-thumbnail.png
138 ms
Macroscope-thumbnail.png
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Printed-timmer-dial-thumbnail.png
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155 ms
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PCB-motor-mount-thumbnail.png
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Error-Correcting-Code-thumbnail.gif
177 ms
Flir-infrared-camera-thumbnail.jpg
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Rocket-ignition-system-thumbnail.jpg
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Sampling-Rate-Thumbnail.gif
199 ms
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150 ms
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153 ms
Afterthought-Cake-thumbnail.jpg
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TSOP4038-thumbnail.jpg
156 ms
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172 ms
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156 ms
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153 ms
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Trimpots-Thumbnail.jpg
152 ms
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137 ms
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robotroom.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Links do not have a discernible name
robotroom.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
robotroom.com SEO score
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robotroom.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Robotroom.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
robotroom.com
Open Graph description is not detected on the main page of Robot Room. 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: