3 sec in total
495 ms
2.3 sec
153 ms
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Visit extjs-tutorial.comWe analyzed Extjs-tutorial.com page load time and found that the first response time was 495 ms and then it took 2.5 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.
extjs-tutorial.com performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value4.6 s
34/100
25%
Value8.1 s
20/100
10%
Value1,530 ms
13/100
30%
Value0.006
100/100
15%
Value11.1 s
20/100
10%
495 ms
900 ms
7 ms
501 ms
22 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 14% of them (4 requests) were addressed to the original Extjs-tutorial.com, 17% (5 requests) were made to Pagead2.googlesyndication.com and 17% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (900 ms) belongs to the original domain Extjs-tutorial.com.
Page size can be reduced by 179.4 kB (53%)
337.9 kB
158.5 kB
In fact, the total size of Extjs-tutorial.com main page is 337.9 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. Javascripts take 201.6 kB which makes up the majority of the site volume.
Potential reduce by 7.8 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 1.1 kB, which is 11% 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 7.8 kB or 73% of the original size.
Potential reduce by 18 B
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. Extjs Tutorial images are well optimized though.
Potential reduce by 68.8 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 68.8 kB or 34% of the original size.
Potential reduce by 102.7 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. Extjs-tutorial.com needs all CSS files to be minified and compressed as it can save up to 102.7 kB or 84% of the original size.
Number of requests can be reduced by 10 (42%)
24
14
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Extjs Tutorial. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
extjs-tutorial.com
495 ms
www.extjs-tutorial.com
900 ms
bootstrap.min.css
7 ms
homecss
501 ms
adsbygoogle.js
22 ms
jquery.min.js
69 ms
bootstrap.min.js
20 ms
anmjs
516 ms
analytics.js
31 ms
glyphicons-halflings-regular.woff
18 ms
ca-pub-7448309248176309.js
57 ms
zrt_lookup.html
107 ms
show_ads_impl.js
54 ms
collect
88 ms
ads
188 ms
osd.js
19 ms
ads
153 ms
ads
177 ms
6412452714017680861
66 ms
abg.js
72 ms
m_js_controller.js
85 ms
googlelogo_color_112x36dp.png
118 ms
css
123 ms
s
35 ms
x_button_blue2.png
35 ms
nessie_icon_tiamat_white.png
63 ms
E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js
29 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
158 ms
ui
149 ms
extjs-tutorial.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
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
extjs-tutorial.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
extjs-tutorial.com SEO score
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Extjs-tutorial.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 Extjs-tutorial.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.
extjs-tutorial.com
Open Graph description is not detected on the main page of Extjs Tutorial. 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: