Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

9qrcode.com

QR Code Generator With Logo, Icons & Color For Free!

Page Load Speed

8.9 sec in total

First Response

64 ms

Resources Loaded

7.7 sec

Page Rendered

1.1 sec

About Website

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

QR Code Generator For Free - Create your custom QR Code with your Logo, Icons & Color Free. Support Text, Website, Email, Tel, vCard, Wifi, Location, SMS.

Visit 9qrcode.com

Key Findings

We analyzed 9qrcode.com page load time and found that the first response time was 64 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

9qrcode.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value8,150 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value17.9 s

3/100

10%

Network Requests Diagram

9qrcode.com

64 ms

9qrcode.com

1773 ms

bootstrap.min.css

1937 ms

custom.css

28 ms

aos.min.css

31 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 32% of them (18 requests) were addressed to the original 9qrcode.com, 19% (11 requests) were made to Pagead2.googlesyndication.com and 18% (10 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Fonts.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 395.9 kB (23%)

Content Size

1.7 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 9qrcode.com main page is 1.7 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. 65% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 199.7 kB

  • Original 217.4 kB
  • After minification 177.6 kB
  • After compression 17.7 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. This page needs HTML code to be minified as it can gain 39.8 kB, which is 18% 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 199.7 kB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 1.4 kB

  • Original 359.3 kB
  • After minification 357.9 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. 9 QR Code images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 194.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 891.8 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 194.0 kB or 18% of the original size.

CSS Optimization

-2%

Potential reduce by 750 B

  • Original 38.5 kB
  • After minification 38.5 kB
  • After compression 37.8 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 has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (70%)

Requests Now

53

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 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 30 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

9qrcode.com accessibility score

86

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

9qrcode.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

9qrcode.com SEO score

79

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Document doesn't have a valid hreflang

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of 9 QR Code. 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: