Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

swordart-online.net

アニメ「ソードアート・オンライン」ポータルサイト

Page Load Speed

5 sec in total

First Response

347 ms

Resources Loaded

4.5 sec

Page Rendered

192 ms

swordart-online.net screenshot

About Website

Visit swordart-online.net now to see the best up-to-date Swordart Online content for Japan and also check out these interesting facts you probably never knew about swordart-online.net

最新作『劇場版 ソードアート・オンライン -プログレッシブ- 冥き夕闇のスケルツォ』Blu-ray&DVD 好評発売中

Visit swordart-online.net

Key Findings

We analyzed Swordart-online.net page load time and found that the first response time was 347 ms and then it took 4.7 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

swordart-online.net performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,070 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value1.32

0/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

www.swordart-online.net

347 ms

jquery.min.js

34 ms

jquery.easing.1.3.js

167 ms

velocity.min.js

463 ms

jquery.cookie.js

317 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 87% of them (83 requests) were addressed to the original Swordart-online.net, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Swordart-online.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 256.0 kB (8%)

Content Size

3.0 MB

After Optimization

2.8 MB

In fact, the total size of Swordart-online.net main page is 3.0 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. 50% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 32.9 kB

  • Original 37.6 kB
  • After minification 34.7 kB
  • After compression 4.7 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 32.9 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 65.7 kB

  • Original 2.7 MB
  • After minification 2.7 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. Swordart Online images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 142.0 kB

  • Original 272.1 kB
  • After minification 255.6 kB
  • After compression 130.1 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 142.0 kB or 52% of the original size.

CSS Optimization

-80%

Potential reduce by 15.4 kB

  • Original 19.3 kB
  • After minification 13.8 kB
  • After compression 3.9 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. Swordart-online.net needs all CSS files to be minified and compressed as it can save up to 15.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (45%)

Requests Now

92

After Optimization

51

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swordart Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

swordart-online.net accessibility score

65

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

swordart-online.net 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

swordart-online.net SEO score

83

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 doesn't use 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 Swordart-online.net 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 Swordart-online.net 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

Open Graph data is detected on the main page of Swordart Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: