Tools & Wizards About Us
calaculu.backlog.jp screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

calaculu.backlog.jp

Backlog | Project Management Software for Virtual Teams | Nulab

Page Load Speed

2.5 sec in total

First Response

341 ms

Resources Loaded

1.8 sec

Page Rendered

384 ms

calaculu.backlog.jp screenshot

About Website

Click here to check amazing Calaculu Backlog content for Japan. Otherwise, check out these important facts you probably never knew about calaculu.backlog.jp

Backlog is the all-in-one SaaS for all your project management software needs. Kanban boards, task tracking, version control, Gantt charts, and more.

Visit calaculu.backlog.jp

Key Findings

We analyzed Calaculu.backlog.jp page load time and found that the first response time was 341 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

calaculu.backlog.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value7,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value34.4 s

0/100

10%

Network Requests Diagram

calaculu.backlog.jp

341 ms

backlog.com

185 ms

72 ms

font.css

42 ms

webpack-runtime-b4514e04315b93eeb0d3.js

105 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Calaculu.backlog.jp, 87% (20 requests) were made to Nulab.com and 4% (1 request) were made to Backlog.com. The less responsive or slowest element that took the longest time to load (341 ms) belongs to the original domain Calaculu.backlog.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 797.6 kB (55%)

Content Size

1.4 MB

After Optimization

646.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Calaculu.backlog.jp main page is 1.4 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. 30% of websites need less resources to load. HTML takes 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 797.1 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 372.2 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 797.1 kB or 68% of the original size.

JavaScript Optimization

-0%

Potential reduce by 116 B

  • Original 273.8 kB
  • After minification 273.8 kB
  • After compression 273.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-62%

Potential reduce by 385 B

  • Original 619 B
  • After minification 619 B
  • After compression 234 B

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. Calaculu.backlog.jp needs all CSS files to be minified and compressed as it can save up to 385 B or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (30%)

Requests Now

20

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calaculu Backlog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

calaculu.backlog.jp

calaculu.backlog.jp

341 ms

backlog.com

backlog.com

185 ms

72 ms

font.css

font.css

42 ms

webpack-runtime-b4514e04315b93eeb0d3.js

webpack-runtime-b4514e04315b93eeb0d3.js

105 ms

polyfill-108a428c813ecca5e6fc.js

polyfill-108a428c813ecca5e6fc.js

110 ms

framework-9f8883f11eb8e070a651.js

framework-9f8883f11eb8e070a651.js

167 ms

c0d53ec4-81566f391cad1e0f0357.js

c0d53ec4-81566f391cad1e0f0357.js

207 ms

aaa5778d-739c85dfe5fe5aacd6f1.js

aaa5778d-739c85dfe5fe5aacd6f1.js

211 ms

app-59bff957f6adeccab840.js

app-59bff957f6adeccab840.js

248 ms

gtm.js

gtm.js

300 ms

icon-slack.svg

icon-slack.svg

119 ms

icon-sheets.svg

icon-sheets.svg

118 ms

icon-redmine.svg

icon-redmine.svg

158 ms

icon-calendar.svg

icon-calendar.svg

169 ms

icon-lambdatest.svg

icon-lambdatest.svg

166 ms

icon-jira.svg

icon-jira.svg

168 ms

icon-mail.svg

icon-mail.svg

169 ms

icon-android.svg

icon-android.svg

167 ms

icon-jenkins.svg

icon-jenkins.svg

170 ms

icon-api.svg

icon-api.svg

173 ms

icon-apple.svg

icon-apple.svg

174 ms

icon-copilot.svg

icon-copilot.svg

172 ms

Accessibility Review

calaculu.backlog.jp accessibility score

83

Accessibility Issues

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

High

[aria-hidden="true"] elements contain focusable descendents

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

calaculu.backlog.jp 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

calaculu.backlog.jp SEO score

91

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calaculu.backlog.jp 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 Calaculu.backlog.jp 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

calaculu.backlog.jp

Open Graph data is detected on the main page of Calaculu Backlog. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: