2 sec in total
111 ms
1.7 sec
172 ms
Visit physicsgalaxy.com now to see the best up-to-date Physics Galaxy content for India and also check out these interesting facts you probably never knew about physicsgalaxy.com
Physics Galaxy, world’s largest website for free online physics lectures, physics courses, class 12th physics and JEE physics video lectures.
Visit physicsgalaxy.comWe analyzed Physicsgalaxy.com page load time and found that the first response time was 111 ms and then it took 1.9 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.
physicsgalaxy.com performance score
name
value
score
weighting
Value4.6 s
13/100
10%
Value15.9 s
0/100
25%
Value12.9 s
2/100
10%
Value4,040 ms
1/100
30%
Value0.059
98/100
15%
Value24.5 s
0/100
10%
111 ms
172 ms
225 ms
223 ms
235 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 73% of them (58 requests) were addressed to the original Physicsgalaxy.com, 6% (5 requests) were made to Cdn.ywxi.net and 5% (4 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (638 ms) relates to the external source C.statcounter.com.
Page size can be reduced by 2.7 MB (69%)
3.9 MB
1.2 MB
In fact, the total size of Physicsgalaxy.com main page is 3.9 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. 60% of websites need less resources to load. Javascripts take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 348.9 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 348.9 kB or 92% of the original size.
Potential reduce by 333.0 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, Physics Galaxy needs image optimization as it can save up to 333.0 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.7 MB
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 1.7 MB or 73% of the original size.
Potential reduce by 342.4 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. Physicsgalaxy.com needs all CSS files to be minified and compressed as it can save up to 342.4 kB or 88% of the original size.
Number of requests can be reduced by 60 (77%)
78
18
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physics Galaxy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
physicsgalaxy.com
111 ms
physicsgalaxy.com
172 ms
bootstrap.min.css
225 ms
style.min.css
223 ms
responsive.min.css
235 ms
ngProgress.css
235 ms
jquery.min.js
288 ms
angular.min.js
329 ms
update-meta.min.js
248 ms
app.module.min.js
245 ms
data.min.js
250 ms
controllers.js
284 ms
angular-bootstrap-lightbox.min.css
267 ms
ui-bootstrap-csp.css
274 ms
icon
39 ms
font-awesome.min.css
276 ms
ngToast.min.css
302 ms
slick.css
302 ms
slick-theme.css
303 ms
angular-backtop.css
310 ms
jk-rating-stars.min.css
311 ms
angular-datepicker.css
308 ms
swx-session-storage.min.js
359 ms
angular-ui-router.min.js
361 ms
ui-bootstrap.min.js
363 ms
ui-bootstrap-tpls.min.js
373 ms
angular-sanitize.min.js
370 ms
angular-animate.min.js
370 ms
angular-aria.min.js
372 ms
angular-material.min.js
426 ms
bootstrap.min.js
370 ms
jquery.bxslider.min.js
378 ms
angular-messages.min.js
379 ms
angular-recaptcha.min.js
379 ms
angular-backtop.js
383 ms
jk-rating-stars.min.js
390 ms
angular-datepicker.min.js
390 ms
angular-bootstrap-lightbox.min.js
404 ms
moment.min.js
404 ms
iframe_api
48 ms
1.js
58 ms
counter.js
119 ms
angular-moment.min.js
192 ms
angular-google-plus.min.js
189 ms
angular-facebook.min.js
185 ms
ngprogress.min.js
221 ms
angular-youtube-embed.min.js
214 ms
ngToast.min.js
213 ms
slick.min.js
211 ms
slick.min.js
193 ms
ng-file-upload-shim.min.js
189 ms
ng-file-upload.min.js
186 ms
angular-local-storage.min.js
181 ms
top.png
112 ms
www-widgetapi.js
494 ms
host-loader.js
483 ms
t.php
638 ms
analytics.js
490 ms
sdk.js
178 ms
client.js
134 ms
home.html
53 ms
header.html
85 ms
footer.html
80 ms
host.js
158 ms
collect
13 ms
cb=gapi.loaded_0
40 ms
slider-1.jpg
55 ms
video-lecture.png
69 ms
live-video-lecture.png
386 ms
about-us-icon.png
62 ms
logo.png
152 ms
postmessageRelay
52 ms
95 ms
0sTQzbapM8j.js
85 ms
tm-float-bg-right-bottom.png
5 ms
ajax
351 ms
float2-right.png
279 ms
971028622-postmessagerelay.js
20 ms
rpc:shindig_random.js
29 ms
cb=gapi.loaded_0
3 ms
physicsgalaxy.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.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
physicsgalaxy.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
Page has valid source maps
physicsgalaxy.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Physicsgalaxy.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 Physicsgalaxy.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.
physicsgalaxy.com
Open Graph description is not detected on the main page of Physics Galaxy. 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: