Tools & Wizards About Us
www-linac.kek.jp screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

www-linac.kek.jp

KEK e+/e-

Page Load Speed

5.7 sec in total

First Response

2.1 sec

Resources Loaded

3.5 sec

Page Rendered

128 ms

www-linac.kek.jp screenshot

About Website

Click here to check amazing Www Linac KEK content for Japan. Otherwise, check out these important facts you probably never knew about www-linac.kek.jp

Visit www-linac.kek.jp

Key Findings

We analyzed Www-linac.kek.jp page load time and found that the first response time was 2.1 sec and then it took 3.6 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

www-linac.kek.jp performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

www-linac.kek.jp

2110 ms

linac.css

435 ms

index_logo.html

423 ms

top_linac.png

1555 ms

menu.js

283 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that all of those requests were addressed to Www-linac.kek.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Www-linac.kek.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.4 kB (5%)

Content Size

228.0 kB

After Optimization

217.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Www-linac.kek.jp main page is 228.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 217.6 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 5.6 kB

  • Original 7.8 kB
  • After minification 7.0 kB
  • After compression 2.2 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. This page needs HTML code to be minified as it can gain 834 B, which is 11% 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 5.6 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 3.1 kB

  • Original 217.6 kB
  • After minification 214.6 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. Www Linac KEK images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 602 B

  • Original 945 B
  • After minification 817 B
  • After compression 343 B

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 602 B or 64% of the original size.

CSS Optimization

-72%

Potential reduce by 1.1 kB

  • Original 1.6 kB
  • After minification 1.2 kB
  • After compression 436 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. Www-linac.kek.jp needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www Linac KEK. According to our analytics all requests are already optimized.

Network Requests Diagram

www-linac.kek.jp

www-linac.kek.jp

2110 ms

linac.css

linac.css

435 ms

index_logo.html

index_logo.html

423 ms

top_linac.png

top_linac.png

1555 ms

menu.js

menu.js

283 ms

keklogo.png

keklogo.png

681 ms

linaclogo.jpg

linaclogo.jpg

1047 ms

masha_fon.png

masha_fon.png

832 ms

Accessibility Review

www-linac.kek.jp accessibility score

84

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

<frame> or <iframe> elements do not have a title

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

www-linac.kek.jp best practices score

75

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

SEO Factors

www-linac.kek.jp SEO score

82

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

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Www-linac.kek.jp can be misinterpreted by Google and other search engines. Our service has detected that English 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 Www-linac.kek.jp main page’s claimed encoding is iso-8859-1. 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

www-linac.kek.jp

Open Graph description is not detected on the main page of Www Linac KEK. 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: