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Report Summary

About Website

Click here to check amazing Tsukuba Marathon content for Japan. Otherwise, check out these important facts you probably never knew about tsukuba-marathon.com

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value17.8 s

0/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

tsukuba-marathon.com

946 ms

common.css

521 ms

jquery-1.7.2.min.js

1238 ms

jquery.bgSwitcher-min.js

548 ms

jquery-ui.css

927 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 78% of them (57 requests) were addressed to the original Tsukuba-marathon.com, 7% (5 requests) were made to Platform.twitter.com and 7% (5 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (7.5 sec) belongs to the original domain Tsukuba-marathon.com.

Content Size

1.4 MB

After Optimization

891.3 kB

In fact, the total size of Tsukuba-marathon.com 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. 35% of websites need less resources to load. Images take 772.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 25.8 kB

Original 30.3 kB
After minification 20.8 kB
After compression 4.5 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 9.6 kB, which is 32% 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 25.8 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 8.0 kB

Original 772.3 kB
After minification 764.3 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. Tsukuba Marathon images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 460.8 kB

Original 570.3 kB
After minification 415.1 kB
After compression 109.5 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 460.8 kB or 81% of the original size.

CSS Optimization

-82%

Potential reduce by 57.5 kB

Original 70.5 kB
After minification 63.7 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. Tsukuba-marathon.com needs all CSS files to be minified and compressed as it can save up to 57.5 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tsukuba Marathon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Tsukuba-marathon.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 Tsukuba-marathon.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

tsukuba-marathon.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

トップページ | つくばマラソン公式ホームページ

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)