Access justelm.com. 杭州赖俊健康食品研究有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value16.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value38.6 s

0/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

justelm.com

1309 ms

justelm.com

844 ms

bootstrap.css

827 ms

css.css

620 ms

css_boot.css

623 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 99% of them (69 requests) were addressed to the original Justelm.com, 1% (1 request) were made to Api.youcangetwomen.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Justelm.com.

Content Size

1.6 MB

After Optimization

1.4 MB

In fact, the total size of Justelm.com main page is 1.6 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 40.6 kB

Original 46.7 kB
After minification 31.6 kB
After compression 6.0 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 15.1 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 40.6 kB or 87% of the original size.

Image Optimization

-9%

Potential reduce by 113.3 kB

Original 1.2 MB
After minification 1.1 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. Justelm images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 16.0 kB

Original 259.3 kB
After minification 259.3 kB
After compression 243.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-40%

Potential reduce by 35.1 kB

Original 87.0 kB
After minification 78.8 kB
After compression 51.9 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. Justelm.com needs all CSS files to be minified and compressed as it can save up to 35.1 kB or 40% of the original size.

Requests Now

After Optimization

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Justelm. 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 10 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

Document doesn't have a <title> element

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

Links do not have a discernible name

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Justelm.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 Justelm.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

justelm.com

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

杭州赖俊健康食品研究有限公司

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

justelm.com

justelm.com

bootstrap.css

css.css

css_boot.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

justelm.com

justelm.com

bootstrap.css

css.css

css_boot.css

animate.min.css

jquery-1.9.1.min.js

jquery.transit.js

bootstrap.js

accordion.js

jquery.SuperSlide.2.1.1.js

function.js

jssor.slider.min.js

scrollTo.js

swiper.min.css

swiper.min.js

magiczoom.css

magiczoom.js

jquery.fancybox.css

jquery.fancybox.pack.js

fancy-box.js

cscs.js

layerslider.css

greensock.js

layerslider.kreaturamedia.jquery.js

layerslider.transitions.js

wow.min.js

font.css

font-awesome.css

cursor_up.png

find1.png

find1w.png

mainmenu_bg.jpg

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2020427164025969.jpg

2020427164014571.jpg

2019122616326576.jpg

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