Access iovasia.com.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

www.iovasia.com

702 ms

aka.js

148 ms

animate.css,iconfont.css,base.css

1402 ms

site_impt.css

1655 ms

page_impt_Home.css

1933 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 26% of them (27 requests) were addressed to the original Iovasia.com, 23% (24 requests) were made to Static3.yun300.cn and 16% (16 requests) were made to Static.yun300.cn. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Static3.yun300.cn.

Content Size

1.1 MB

After Optimization

922.8 kB

In fact, the total size of Iovasia.com main page is 1.1 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. 65% of websites need less resources to load. Images take 811.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 158.5 kB

Original 178.7 kB
After minification 136.8 kB
After compression 20.2 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 42.0 kB, which is 23% 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 158.5 kB or 89% of the original size.

Image Optimization

-2%

Potential reduce by 17.9 kB

Original 811.0 kB
After minification 793.0 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. Iovasia images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 3.8 kB

Original 6.8 kB
After minification 5.6 kB
After compression 3.0 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 3.8 kB or 56% of the original size.

CSS Optimization

-8%

Potential reduce by 9.2 kB

Original 115.7 kB
After minification 115.6 kB
After compression 106.5 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. Iovasia.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iovasia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

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

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

High

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iovasia.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Iovasia.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

iovasia.com

Open Graph description is not detected on the main page of Iovasia. 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

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)

Network Requests Diagram

www.iovasia.com

aka.js

animate.css,iconfont.css,base.css

site_impt.css

page_impt_Home.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.iovasia.com

aka.js

animate.css,iconfont.css,base.css

site_impt.css

page_impt_Home.css

styles.css

interwords_zh_CN.min.js,libs.min.js

styles.css

CgI9FlihyIKEHHIhAAAAAOmIEm04384.js

page.css

info.css

touch.css

border_style.css

master.css

rBQBG1nN6HuECxc5AAAAADYWPeE6099.js

CgI9FlisN6eEAF26AAAAANlC8ao9400.js

gtm.js

push.js

11.0.1.js

so.jpg

xL4p7Y_rRH2DdDQq3wrlog.jpg

intro_img1.jpg

intro_item1.jpg

intro_item2.jpg

intro_item3.jpg

intro_item4.jpg

intro_img2.jpg

intro_item5.jpg

intro_item6.jpg

intro_item7.jpg

intro_item8.jpg

s.png

p_JEfklETrSQ9S1HxUvvVQ.jpg

15bqc0sETXm4BLoHDq1Zug.jpg

j_sLLJ4xROmThjITM5YuaQ.png

js

CgI9FlihyIKEHHIhAAAAAOmIEm04384.js

rBQBG1nN6HuECxc5AAAAADYWPeE6099.js

CgI9FlisN6eEAF26AAAAANlC8ao9400.js

ab77b6ea7f3fbf79.js

yunwei.js

cdn_test.jpg

cdn_test.jpg

global.css