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jf-santa.org screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

jf-santa.org

TOPページ|サンタさんからの手紙

Page Load Speed

5.9 sec in total

First Response

518 ms

Resources Loaded

5.1 sec

Page Rendered

281 ms

jf-santa.org screenshot

About Website

Visit jf-santa.org now to see the best up-to-date Jf Santa content for Japan and also check out these interesting facts you probably never knew about jf-santa.org

子供たちの大好きなサンタさんからの手紙がフィンランドのサンタクロース中央郵便局から届きます。

Visit jf-santa.org

Key Findings

We analyzed Jf-santa.org page load time and found that the first response time was 518 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

jf-santa.org performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

jf-santa.org

518 ms

jf-santa.org

816 ms

ress.min.css

180 ms

style.css

347 ms

grid.css

525 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Jf-santa.org and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Jf-santa.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 814.9 kB (35%)

Content Size

2.3 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jf-santa.org main page is 2.3 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. 20% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.8 kB

  • Original 10.9 kB
  • After minification 9.9 kB
  • After compression 3.1 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 7.8 kB or 72% of the original size.

Image Optimization

-4%

Potential reduce by 57.4 kB

  • Original 1.4 MB
  • After minification 1.3 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. Jf Santa images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 730.1 kB

  • Original 885.4 kB
  • After minification 884.9 kB
  • After compression 155.2 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 730.1 kB or 82% of the original size.

CSS Optimization

-80%

Potential reduce by 19.6 kB

  • Original 24.6 kB
  • After minification 14.9 kB
  • After compression 5.0 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. Jf-santa.org needs all CSS files to be minified and compressed as it can save up to 19.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (19%)

Requests Now

16

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jf Santa. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

jf-santa.org

jf-santa.org

518 ms

jf-santa.org

jf-santa.org

816 ms

ress.min.css

ress.min.css

180 ms

style.css

style.css

347 ms

grid.css

grid.css

525 ms

jquery-2.1.4.min.js

jquery-2.1.4.min.js

1194 ms

style.js

style.js

511 ms

swf2js.js

swf2js.js

2168 ms

grid.css

grid.css

190 ms

2022toppage_santa_1l2.jpg

2022toppage_santa_1l2.jpg

499 ms

2022.jpg

2022.jpg

169 ms

top_santa.png

top_santa.png

1405 ms

top_santa_message.png

top_santa_message.png

822 ms

top_santa_button_jp.png

top_santa_button_jp.png

332 ms

top_santa_button_en.png

top_santa_button_en.png

362 ms

top_santa_aisatsu.png

top_santa_aisatsu.png

1511 ms

top_santa_shop_button.png

top_santa_shop_button.png

846 ms

logo0801.jpg

logo0801.jpg

540 ms

Accessibility Review

jf-santa.org accessibility score

68

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.

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

Best Practices

jf-santa.org 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

Missing source maps for large first-party JavaScript

SEO Factors

jf-santa.org SEO score

89

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jf-santa.org 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 Jf-santa.org 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

jf-santa.org

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