Tools & Wizards About Us
carddsi.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

carddsi.com

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Page Load Speed

4.9 sec in total

First Response

1.2 sec

Resources Loaded

3.7 sec

Page Rendered

109 ms

carddsi.com screenshot

About Website

Click here to check amazing Carddsi content. Otherwise, check out these important facts you probably never knew about carddsi.com

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Visit carddsi.com

Key Findings

We analyzed Carddsi.com page load time and found that the first response time was 1.2 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

carddsi.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value33.2 s

0/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

www.carddsi.com

1168 ms

style.css

710 ms

navbar.css

370 ms

dropdowns.js

431 ms

ust-sag.gif

212 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Carddsi.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Carddsi.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.2 kB (73%)

Content Size

23.4 kB

After Optimization

6.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Carddsi.com main page is 23.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 15.2 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 5.1 kB

  • Original 7.8 kB
  • After minification 7.6 kB
  • After compression 2.7 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 5.1 kB or 65% of the original size.

JavaScript Optimization

-49%

Potential reduce by 206 B

  • Original 422 B
  • After minification 345 B
  • After compression 216 B

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 206 B or 49% of the original size.

CSS Optimization

-78%

Potential reduce by 11.9 kB

  • Original 15.2 kB
  • After minification 13.1 kB
  • After compression 3.3 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. Carddsi.com needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (67%)

Requests Now

12

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carddsi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

www.carddsi.com

www.carddsi.com

1168 ms

style.css

style.css

710 ms

navbar.css

navbar.css

370 ms

dropdowns.js

dropdowns.js

431 ms

ust-sag.gif

ust-sag.gif

212 ms

ust-sol.gif

ust-sol.gif

241 ms

alt-sag.gif

alt-sag.gif

192 ms

alt-sol.gif

alt-sol.gif

232 ms

ust2-sag.gif

ust2-sag.gif

370 ms

ust2-sol.gif

ust2-sol.gif

420 ms

alt2-sag.gif

alt2-sag.gif

415 ms

alt2-sol.gif

alt2-sol.gif

426 ms

sidebar-h2-bg.gif

sidebar-h2-bg.gif

446 ms

Accessibility Review

carddsi.com accessibility score

72

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

carddsi.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

carddsi.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Carddsi.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Carddsi.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

carddsi.com

Open Graph description is not detected on the main page of Carddsi. 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: