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itfen.net screenshot

18

Performance

Renders faster than
34% of other websites
29

Accessibility

Visual factors better than
that of 18% of websites
58

Best Practices

More advanced features
available than in
19% of websites
80

SEO

Google-friendlier than
42% of websites

First Response

554 ms

Resources Loaded

4.4 sec

Page Rendered

288 ms

itfen.net screenshot

About Website

Welcome to itfen.net homepage info - get ready to check Itfen best content right away, or after learning these important things about itfen.net

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Visit itfen.net

Key Findings

We analyzed Itfen.net page load time and found that the first response time was 554 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.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value22.2 s

0/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.677

8/100

15%

TTI (Time to Interactive)

Value55.5 s

0/100

10%

itfen.net

554 ms

www.itfen.net

865 ms

jquery.min.js

25 ms

config.js

208 ms

styles.css

854 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 96% of them (27 requests) were addressed to the original Itfen.net, 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Itfen.net.

Content Size

437.2 kB

After Optimization

316.0 kB

In fact, the total size of Itfen.net main page is 437.2 kB. 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 316.2 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 7.4 kB

Original 12.5 kB
After minification 12.5 kB
After compression 5.1 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 7.4 kB or 59% of the original size.

Image Optimization

-7%

Potential reduce by 20.7 kB

Original 316.2 kB
After minification 295.5 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. Itfen images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 493 B

Original 704 B
After minification 428 B
After compression 211 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 493 B or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 92.6 kB

Original 107.8 kB
After minification 88.1 kB
After compression 15.2 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. Itfen.net needs all CSS files to be minified and compressed as it can save up to 92.6 kB or 86% of the original size.

Requests Now

26

After Optimization

13

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itfen. 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.

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

JA
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itfen.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed Japanese language. Our system also found out that Itfen.net main page’s claimed encoding is shift_jis. 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

itfen.net

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