3.5 sec in total
604 ms
2.8 sec
133 ms
Welcome to 9qrcode.com homepage info - get ready to check 9 QR Code best content for Vietnam right away, or after learning these important things about 9qrcode.com
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Visit 9qrcode.comWe analyzed 9qrcode.com page load time and found that the first response time was 604 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
9qrcode.com performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value4.3 s
42/100
25%
Value14.7 s
1/100
10%
Value4,380 ms
1/100
30%
Value0.608
10/100
15%
Value18.8 s
3/100
10%
604 ms
533 ms
20 ms
15 ms
538 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 13% of them (7 requests) were addressed to the original 9qrcode.com, 15% (8 requests) were made to Apis.google.com and 11% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (696 ms) relates to the external source Connect.facebook.net.
Page size can be reduced by 358.0 kB (47%)
769.4 kB
411.5 kB
In fact, the total size of 9qrcode.com main page is 769.4 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. 70% of websites need less resources to load. Javascripts take 605.5 kB which makes up the majority of the site volume.
Potential reduce by 48.9 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 48.9 kB or 70% of the original size.
Potential reduce by 16.5 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, 9 QR Code needs image optimization as it can save up to 16.5 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 283.5 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 283.5 kB or 47% of the original size.
Potential reduce by 9.0 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. 9qrcode.com needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 74% of the original size.
Number of requests can be reduced by 32 (63%)
51
19
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 9 QR Code. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.
9qrcode.com
604 ms
www.9qrcode.com
533 ms
cloudflare.min.js
20 ms
style.css
15 ms
grid.css
538 ms
jquery.min.js
39 ms
js
38 ms
script-min.js
16 ms
adsbygoogle.js
34 ms
addthis_widget.js
35 ms
analytics.js
17 ms
ga.js
17 ms
9qrcode.png
14 ms
9qrcode_banner.png
16 ms
ca-pub-9744707857658830.js
197 ms
zrt_lookup.html
191 ms
show_ads_impl.js
116 ms
collect
160 ms
__utm.gif
133 ms
ads
304 ms
osd.js
20 ms
collect
111 ms
ads
244 ms
ads
268 ms
300lo.json
58 ms
plusone.js
55 ms
all.js&version=v2.0
696 ms
widgets.js
95 ms
pinit00.png
13 ms
counter.5524cceca805eb4b9b2b.js
44 ms
sh.8e5f85691f9aaa082472a194.html
41 ms
shares.json
21 ms
cb=gapi.loaded_0
51 ms
cb=gapi.loaded_1
47 ms
fastbutton
133 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
248 ms
postmessageRelay
105 ms
6243547893521324462
101 ms
abg.js
101 ms
m_js_controller.js
113 ms
googlelogo_color_112x36dp.png
168 ms
8264488690157982328
153 ms
cb=gapi.loaded_0
45 ms
cb=gapi.loaded_1
33 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
157 ms
3193398744-postmessagerelay.js
110 ms
rpc:shindig_random.js
92 ms
s
76 ms
x_button_blue2.png
57 ms
favicon
135 ms
nessie_icon_tiamat_white.png
45 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
19 ms
cb=gapi.loaded_0
80 ms
tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html
66 ms
jot
92 ms
9qrcode.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
ARIA IDs are not unique
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
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
9qrcode.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
Browser errors were logged to the console
Page has valid source maps
9qrcode.com SEO score
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
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 9qrcode.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 9qrcode.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.
9qrcode.com
Open Graph data is detected on the main page of 9 QR Code. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: