Report Summary

  • 75

    Performance

    Renders faster than
    84% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

tjklab.jp

Vol. -松井政就の週刊日記「よく遊びよく賭けろ」

Page Load Speed

4.7 sec in total

First Response

863 ms

Resources Loaded

3.4 sec

Page Rendered

454 ms

tjklab.jp screenshot

About Website

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Vol.-松井政就

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Key Findings

We analyzed Tjklab.jp page load time and found that the first response time was 863 ms 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

tjklab.jp performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

54/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

tjklab.jp

863 ms

wallppr072.gif

356 ms

toplogo.jpg

1079 ms

Toplogo-2.jpg

719 ms

1backnumber.jpg

346 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 68% of them (36 requests) were addressed to the original Tjklab.jp, 17% (9 requests) were made to Asumi.shinobi.jp and 4% (2 requests) were made to X4.shinobi.jp. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Tjklab.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.4 kB (23%)

Content Size

550.7 kB

After Optimization

426.3 kB

In fact, the total size of Tjklab.jp main page is 550.7 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. 35% of websites need less resources to load. Images take 491.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 24.0 kB

  • Original 29.8 kB
  • After minification 24.4 kB
  • After compression 5.8 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 5.5 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 24.0 kB or 80% of the original size.

Image Optimization

-19%

Potential reduce by 95.1 kB

  • Original 491.5 kB
  • After minification 396.4 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, Tjklab needs image optimization as it can save up to 95.1 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-18%

Potential reduce by 5.3 kB

  • Original 29.4 kB
  • After minification 29.3 kB
  • After compression 24.1 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 5.3 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (30%)

Requests Now

46

After Optimization

32

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tjklab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tjklab.jp accessibility score

73

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

tjklab.jp best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tjklab.jp SEO score

84

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

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

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tjklab.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Tjklab.jp main page’s claimed encoding is shift_jis. 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.

Social Sharing Optimization

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