Tools & Wizards About Us
rub-lab.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

rub-lab.com

オリジナルTシャツの作成をプロに任せたいなら全国対応の【ラブラボ】

Page Load Speed

15.8 sec in total

First Response

521 ms

Resources Loaded

14 sec

Page Rendered

1.3 sec

rub-lab.com screenshot

About Website

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

オリジナルTシャツ作成・製作実績35年！自社工場だから安心・激安・高品質・即納品（最短1日で全国発送）ウェア・グッズも豊富な品揃え！お客様10万人以上のラブラボにお任せ！業界No1のお客様満足度97.7%【学生特典有り】【年間販売実績180万枚以上

Visit rub-lab.com

Key Findings

We analyzed Rub-lab.com page load time and found that the first response time was 521 ms and then it took 15.3 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

rub-lab.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value23.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value43.6 s

0/100

25%

SI (Speed Index)

Value30.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value60.1 s

0/100

10%

Network Requests Diagram

rub-lab.com

521 ms

www.rub-lab.com

1740 ms

import.css

362 ms

index.css

530 ms

thickbox.css

364 ms

Our browser made a total of 372 requests to load all elements on the main page. We found that 75% of them (280 requests) were addressed to the original Rub-lab.com, 5% (20 requests) were made to Pbs.twimg.com and 5% (18 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Rub-lab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 534.2 kB (9%)

Content Size

5.9 MB

After Optimization

5.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rub-lab.com main page is 5.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 177.1 kB

  • Original 214.3 kB
  • After minification 199.3 kB
  • After compression 37.2 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 177.1 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 174.5 kB

  • Original 5.3 MB
  • After minification 5.2 MB

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. Rub Lab images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 116.3 kB

  • Original 236.2 kB
  • After minification 215.4 kB
  • After compression 119.9 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 116.3 kB or 49% of the original size.

CSS Optimization

-84%

Potential reduce by 66.3 kB

  • Original 79.3 kB
  • After minification 56.9 kB
  • After compression 13.0 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. Rub-lab.com needs all CSS files to be minified and compressed as it can save up to 66.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 112 (31%)

Requests Now

366

After Optimization

254

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 366 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rub 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 39 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rub-lab.com

rub-lab.com

521 ms

www.rub-lab.com

www.rub-lab.com

1740 ms

import.css

import.css

362 ms

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12744130_1065999596791247_8942590049320147009_n.jpg

12744130_1065999596791247_8942590049320147009_n.jpg

23 ms

safe_image.php

safe_image.php

20 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

51 ms

CSXXCvknpgK.png

CSXXCvknpgK.png

46 ms

7NEHk19WerA.png

7NEHk19WerA.png

51 ms

sync

sync

164 ms

analytics

analytics

731 ms

R9a_DtVRZgv.js

R9a_DtVRZgv.js

39 ms

cUDgRFxaoIk.js

cUDgRFxaoIk.js

41 ms

0JBr1QHp8Gi.js

0JBr1QHp8Gi.js

39 ms

kDOzhTr2W91.js

kDOzhTr2W91.js

42 ms

Accessibility Review

rub-lab.com accessibility score

81

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

Links do not have a discernible name

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rub-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

High

Page has valid source maps

SEO Factors

rub-lab.com SEO score

92

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rub-lab.com 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 Rub-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

rub-lab.com

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