9 sec in total
1.3 sec
7.4 sec
350 ms
Welcome to giaoan.co homepage info - get ready to check Giaoan best content for Vietnam right away, or after learning these important things about giaoan.co
Thư viện giáo án điện tử GiaoAn.co tổng hợp các mẫu giáo án từ mầm non đến tiểu học, trung học cho quý thầy cô tham khảo.
Visit giaoan.coWe analyzed Giaoan.co page load time and found that the first response time was 1.3 sec and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
giaoan.co performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value3.3 s
69/100
25%
Value7.6 s
25/100
10%
Value1,850 ms
9/100
30%
Value0.569
12/100
15%
Value11.3 s
19/100
10%
1332 ms
716 ms
508 ms
13 ms
241 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 13% of them (9 requests) were addressed to the original Giaoan.co, 43% (30 requests) were made to S1.giaoan.co and 11% (8 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (5.8 sec) relates to the external source S1.giaoan.co.
Page size can be reduced by 680.2 kB (32%)
2.1 MB
1.4 MB
In fact, the total size of Giaoan.co main page is 2.1 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. 55% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 37.7 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 37.7 kB or 82% of the original size.
Potential reduce by 572.7 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, Giaoan needs image optimization as it can save up to 572.7 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 43.4 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 43.4 kB or 24% of the original size.
Potential reduce by 26.4 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. Giaoan.co needs all CSS files to be minified and compressed as it can save up to 26.4 kB or 81% of the original size.
Number of requests can be reduced by 24 (35%)
68
44
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Giaoan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
giaoan.co
1332 ms
style.css
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default-dev.css
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adsbygoogle.js
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reset-min.css
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jquery.min.js
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Logo.png
285 ms
arrow.png
285 ms
facebook_16x16.gif
286 ms
twitter_16x16.gif
524 ms
ca-pub-8968632188895249.js
86 ms
zrt_lookup.html
125 ms
show_ads_impl.js
69 ms
analytics.js
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jsapi
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ads
305 ms
collect
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osd.js
29 ms
ads
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default+vi.css
33 ms
default.css
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default+vi.I.js
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ads
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default.css
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async-ads.js
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google_custom_search_watermark.gif
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small-logo.png
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search_box_icon.png
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clear.gif
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m_js_controller.js
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abg.js
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googlelogo_color_112x36dp.png
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activeview
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giaoan.co 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
giaoan.co 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
giaoan.co 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
Tap targets are not sized appropriately
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Giaoan.co can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Giaoan.co 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.
giaoan.co
Open Graph description is not detected on the main page of Giaoan. 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: