2.2 sec in total
433 ms
1.2 sec
528 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 433 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.
robotroom.com performance score
name
value
score
weighting
Value1.1 s
99/100
10%
Value1.3 s
100/100
25%
Value1.1 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.1 s
100/100
10%
433 ms
198 ms
17 ms
8 ms
66 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 69% of them (52 requests) were addressed to the original Robotroom.com, 8% (6 requests) were made to Googleads.g.doubleclick.net and 7% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (637 ms) belongs to the original domain Robotroom.com.
Page size can be reduced by 82.6 kB (15%)
549.1 kB
466.5 kB
In fact, the total size of Robotroom.com main page is 549.1 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. 45% of websites need less resources to load. Images take 467.4 kB which makes up the majority of the site volume.
Potential reduce by 28.9 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 28.9 kB or 70% of the original size.
Potential reduce by 38.3 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 9.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 9.8 kB or 29% of the original size.
Potential reduce by 5.6 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. Robotroom.com needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 78% of the original size.
Number of requests can be reduced by 14 (19%)
73
59
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robot Room. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
robotroom.com
433 ms
Robot-Room.css
198 ms
brand
17 ms
show_ads.js
8 ms
brand
66 ms
ga.js
54 ms
ca-pub-7497623330090837.js
142 ms
zrt_lookup.html
152 ms
show_ads_impl.js
93 ms
BlackTextured.jpg
138 ms
David-Cook-Thinking-About-Robots.png
212 ms
Robot-Room-Alphanumeric-LEDs.png
290 ms
LED.gif
161 ms
Robot-Building-For-Beginners-Second-Edition-Cover-New.jpg
216 ms
IRBThumbnail.jpg
241 ms
ThinYellowWire730.gif
216 ms
Copper-Connection-thumbnail.png
399 ms
Printed-timmer-dial-thumbnail.png
288 ms
LED-Tester-Pro-thumbnail.jpg
309 ms
TGIMBOEJ-Gray-F-box-thumbnail.png
391 ms
Broken-probe-tip-thumbnail.jpg
398 ms
Leveling-3D-Printer-thumbnail.png
390 ms
PCB-Survey-thumbnail.png
394 ms
PCB-motor-mount-thumbnail.png
396 ms
Etching-tests-thumbnail.jpg
416 ms
PCB-hole-size-thumbnail.png
468 ms
Error-Correcting-Code-thumbnail.gif
469 ms
Flir-infrared-camera-thumbnail.jpg
476 ms
Rocket-ignition-system-thumbnail.jpg
477 ms
Back-And-Forth-Mark-II-robot-thumbnail.jpg
469 ms
Sampling-Rate-Thumbnail.gif
477 ms
Thumbnail.jpg
499 ms
Thumbnail.jpg
508 ms
Thumbnail.jpg
518 ms
Sturdy-motor-coupler-thumbnail.jpg
552 ms
google_custom_search_watermark.gif
154 ms
Homemade-battery-pack-thumbnail.jpg
548 ms
Afterthought-Cake-thumbnail.jpg
529 ms
TSOP4038-thumbnail.jpg
561 ms
Async-tool-thumbnail.jpg
570 ms
thumbnail-of-digital-indicator.jpg
583 ms
Rocket-Repairs-Thumbnail.jpg
587 ms
thumbnail.jpg
623 ms
Thumbnail.jpg
625 ms
Thumbnail.jpg
633 ms
Thumbnail-Nanox-NDM082-LCD-displaying-Robot-Room.jpg
637 ms
__utm.gif
62 ms
ads
180 ms
osd.js
37 ms
ads
227 ms
Thumbnail.jpg
523 ms
ads
244 ms
ads
212 ms
Trimpots-Thumbnail.jpg
503 ms
Back-And-Forth-Thumbnail.jpg
510 ms
Thumbnail.jpg
504 ms
Weatherproof-thumbnail.jpg
506 ms
BroSync-thumbnail.jpg
485 ms
Thumbnail.jpg
435 ms
Thumbnail.jpg
435 ms
m_js_controller.js
24 ms
abg.js
36 ms
Thumbnail.png
491 ms
favicon
81 ms
googlelogo_color_112x36dp.png
80 ms
nessie_icon_tiamat_white.png
42 ms
s
46 ms
x_button_blue2.png
35 ms
10842520949790068545
14 ms
Solar-Thumbnail.png
411 ms
Thumbnail.png
411 ms
feed-icon-16x16.png
390 ms
Push-the-button-red.png
391 ms
Push-the-button.png
398 ms
E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js
9 ms
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
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: