Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

cpa-lab.com

公認会計士試験 合格体験記集 - CPA-LAB 公認会計士試験 合格体験記集

Page Load Speed

23.3 sec in total

First Response

11.1 sec

Resources Loaded

11.9 sec

Page Rendered

362 ms

cpa-lab.com screenshot

About Website

Welcome to cpa-lab.com homepage info - get ready to check CPA LAB best content for Japan right away, or after learning these important things about cpa-lab.com

本気の受験生だけが見て欲しい。公認会計士試験に短期合格するための本音の合格体験記。勉強法研究サイト

Visit cpa-lab.com

Key Findings

We analyzed Cpa-lab.com page load time and found that the first response time was 11.1 sec and then it took 12.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cpa-lab.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value4,840 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

cpa-lab.com

11061 ms

styles.css

859 ms

jsapi

18 ms

google_ajax_feed_api.js

909 ms

cpa-lab2.css

1089 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 51% of them (30 requests) were addressed to the original Cpa-lab.com, 10% (6 requests) were made to Googleads.g.doubleclick.net and 8% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (11.1 sec) belongs to the original domain Cpa-lab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.3 kB (46%)

Content Size

211.1 kB

After Optimization

113.8 kB

In fact, the total size of Cpa-lab.com main page is 211.1 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. 45% of websites need less resources to load. Images take 78.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 41.3 kB

  • Original 51.1 kB
  • After minification 44.9 kB
  • After compression 9.8 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 6.2 kB, which is 12% 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 41.3 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 5.8 kB

  • Original 78.3 kB
  • After minification 72.6 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. CPA LAB images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 34.4 kB

  • Original 62.1 kB
  • After minification 61.4 kB
  • After compression 27.7 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 34.4 kB or 55% of the original size.

CSS Optimization

-81%

Potential reduce by 15.8 kB

  • Original 19.6 kB
  • After minification 13.6 kB
  • After compression 3.8 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. Cpa-lab.com needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (52%)

Requests Now

56

After Optimization

27

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CPA LAB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cpa-lab.com accessibility score

71

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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.

Best Practices

cpa-lab.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cpa-lab.com SEO score

79

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

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

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cpa-lab.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Cpa-lab.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 CPA LAB. 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: