Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

lshort.co.jp

株式会社ラスホート

Page Load Speed

5.6 sec in total

First Response

567 ms

Resources Loaded

4.6 sec

Page Rendered

447 ms

lshort.co.jp screenshot

About Website

Visit lshort.co.jp now to see the best up-to-date Lshort content and also check out these interesting facts you probably never knew about lshort.co.jp

上野・浅草地域ポータルサイト「ガイドネット」運営、ホームページ制作を行っています。ITを通し、食品安全を推進する「植物ミネラル」の販売も行っています。ラスホート株式会社

Visit lshort.co.jp

Key Findings

We analyzed Lshort.co.jp page load time and found that the first response time was 567 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

lshort.co.jp performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.14

79/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

lshort.co.jp

567 ms

basic.css

334 ms

company.css

338 ms

getyear.js

351 ms

jquery.js

851 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 96% of them (50 requests) were addressed to the original Lshort.co.jp, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Lshort.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.0 kB (16%)

Content Size

796.9 kB

After Optimization

672.9 kB

In fact, the total size of Lshort.co.jp main page is 796.9 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. 25% of websites need less resources to load. Images take 626.2 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 9.6 kB

  • Original 13.3 kB
  • After minification 12.0 kB
  • After compression 3.7 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 9.6 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 626.2 kB
  • After minification 626.2 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. Lshort images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 105.9 kB

  • Original 146.4 kB
  • After minification 97.5 kB
  • After compression 40.5 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 105.9 kB or 72% of the original size.

CSS Optimization

-77%

Potential reduce by 8.5 kB

  • Original 11.0 kB
  • After minification 7.8 kB
  • After compression 2.5 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. Lshort.co.jp needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (22%)

Requests Now

51

After Optimization

40

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lshort. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

lshort.co.jp accessibility score

54

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

lshort.co.jp best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lshort.co.jp SEO score

58

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lshort.co.jp 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 Lshort.co.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 Lshort. 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: