2.6 sec in total
218 ms
2.2 sec
181 ms
Click here to check amazing High Voltage Lab content. Otherwise, check out these important facts you probably never knew about high-voltage-lab.com
Online collection of circuit diagrams with built in search engine. DIY heaven! Build your own electronic devices.
Visit high-voltage-lab.comWe analyzed High-voltage-lab.com page load time and found that the first response time was 218 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
high-voltage-lab.com performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value3.9 s
52/100
25%
Value4.5 s
73/100
10%
Value120 ms
97/100
30%
Value0.012
100/100
15%
Value7.1 s
52/100
10%
218 ms
347 ms
270 ms
415 ms
85 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 84% of them (48 requests) were addressed to the original High-voltage-lab.com, 7% (4 requests) were made to Googleads.g.doubleclick.net and 5% (3 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (471 ms) belongs to the original domain High-voltage-lab.com.
Page size can be reduced by 355.1 kB (51%)
692.4 kB
337.3 kB
In fact, the total size of High-voltage-lab.com main page is 692.4 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. 20% of websites need less resources to load. Javascripts take 563.7 kB which makes up the majority of the site volume.
Potential reduce by 19.9 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 19.9 kB or 78% of the original size.
Potential reduce by 22.7 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. Obviously, High Voltage Lab needs image optimization as it can save up to 22.7 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 312.2 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 312.2 kB or 55% of the original size.
Potential reduce by 358 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. High-voltage-lab.com needs all CSS files to be minified and compressed as it can save up to 358 B or 26% of the original size.
Number of requests can be reduced by 3 (9%)
34
31
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of High Voltage Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
high-voltage-lab.com
218 ms
high-voltage-lab.com
347 ms
www.high-voltage-lab.com
270 ms
www.high-voltage-lab.com
415 ms
style.css
85 ms
show_ads.js
24 ms
urchin.js
8 ms
style.css
82 ms
adsbygoogle.js
62 ms
__utm.gif
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bckg.jpg
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industrial.png
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logo.png
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folder.png
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schematic.gif
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genertracer.gif
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relaytim2.gif
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loczfoil.gif
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supply5.gif
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smps.gif
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sinegen.gif
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vprobe.gif
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hx100x7_2a.jpg
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motorcon.gif
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jogtimer.gif
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electronic_locker.jpg
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nostalgic_cristal_radio.gif
471 ms
irtest.gif
469 ms
show_ads_impl.js
232 ms
zrt_lookup.html
20 ms
industrial.png
256 ms
logo.png
285 ms
folder.png
237 ms
schematic.gif
277 ms
relaytim2.gif
305 ms
genertracer.gif
300 ms
loczfoil.gif
299 ms
supply5.gif
245 ms
5_30timer.gif
277 ms
smps.gif
277 ms
sinegen.gif
302 ms
vprobe.gif
302 ms
hx100x7_2a.jpg
302 ms
motorcon.gif
261 ms
ads
359 ms
chaser.gif
234 ms
minitimer.gif
233 ms
ads
108 ms
head3.gif
243 ms
boiler.gif
243 ms
schematic.gif
252 ms
ads
145 ms
jogtimer.gif
258 ms
irtest.gif
274 ms
nostalgic_cristal_radio.gif
223 ms
electronic_locker.jpg
273 ms
high-voltage-lab.com accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
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
high-voltage-lab.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
Page has valid source maps
high-voltage-lab.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 High-voltage-lab.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 High-voltage-lab.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.
high-voltage-lab.com
Open Graph description is not detected on the main page of High Voltage Lab. 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: