6.6 sec in total
143 ms
2.9 sec
3.6 sec
Visit w3schools.com now to see the best up-to-date W3Schools content for India and also check out these interesting facts you probably never knew about w3schools.com
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Visit w3schools.comWe analyzed W3schools.com page load time and found that the first response time was 143 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
w3schools.com performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value7.0 s
6/100
25%
Value4.0 s
80/100
10%
Value1,030 ms
26/100
30%
Value0
100/100
15%
Value10.8 s
22/100
10%
143 ms
211 ms
117 ms
124 ms
169 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 74% of them (35 requests) were addressed to the original W3schools.com, 6% (3 requests) were made to Cdn.snigelweb.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain W3schools.com.
Page size can be reduced by 462.8 kB (49%)
948.7 kB
485.9 kB
In fact, the total size of W3schools.com main page is 948.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 469.0 kB which makes up the majority of the site volume.
Potential reduce by 262.8 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 49.3 kB, which is 16% 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 262.8 kB or 86% of the original size.
Potential reduce by 180.9 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. Obviously, W3Schools needs image optimization as it can save up to 180.9 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 16.9 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 16.9 kB or 11% of the original size.
Potential reduce by 2.2 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. W3schools.com needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 11% of the original size.
Number of requests can be reduced by 18 (46%)
39
21
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of W3Schools. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.
w3schools.com
143 ms
www.w3schools.com
211 ms
main.css
117 ms
w3schools32.css
124 ms
uic.js
169 ms
loader.js
84 ms
common-deps.js
169 ms
user-session.js
186 ms
my-learning.js
191 ms
w3codecolor.js
200 ms
main.js
198 ms
w3schools_footer.js
198 ms
gtm.js
510 ms
colorpicker2000.png
302 ms
lynxlogo.svg
306 ms
codeeditor.gif
844 ms
best2.gif
603 ms
dynamicspaces.gif
1099 ms
how-spaces-works3.png
305 ms
myl-green-off.png
595 ms
check3.db67d31e.svg
597 ms
colorpicker.png
595 ms
w3lynx_200.png
927 ms
w3css_templates.jpg
927 ms
prebid.js
319 ms
apstag.js
877 ms
gpt.js
877 ms
adngin.js
1042 ms
argus.js
285 ms
315b44bc-10e5-45a8-8f58-064d6e7317c0.js
978 ms
SourceSansPro-Regular.woff
954 ms
fontawesome.woff
730 ms
tryhow_js_slideshow_ifr.htm
701 ms
lynx_in_space.png
704 ms
background_in_space.gif
704 ms
source-sans-pro-v14-latin-600.woff
232 ms
source-sans-pro-v14-latin-700.woff
230 ms
freckle-face-v9-latin-regular.woff
228 ms
roboto-mono-v13-latin-500.woff
230 ms
js
173 ms
img_nature_wide.jpg
107 ms
img_snow_wide.jpg
107 ms
img_mountains_wide.jpg
106 ms
pubads_impl.js
173 ms
lynx_landing.png
68 ms
config.js
350 ms
wrap.js
13 ms
w3schools.com accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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
w3schools.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
w3schools.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 W3schools.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 W3schools.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.
w3schools.com
Open Graph description is not detected on the main page of W3Schools. 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: