Access jdmasterson.com. B·yd2221(中国)官方网站

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.467

19/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

jdmasterson.com

300 ms

www.jdmasterson.com

351 ms

font-awesome.min.css

62 ms

bootstrap.css

97 ms

style.css

106 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 33% of them (24 requests) were addressed to the original Jdmasterson.com, 40% (29 requests) were made to Mytmhc.com and 21% (15 requests) were made to Yuetch.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Yuetch.com.

Content Size

2.9 MB

After Optimization

2.8 MB

In fact, the total size of Jdmasterson.com main page is 2.9 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. 60% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 3.2 kB

Original 4.1 kB
After minification 3.0 kB
After compression 899 B

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 1.0 kB, which is 25% 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 3.2 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 117.1 kB

Original 2.9 MB
After minification 2.8 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. Jdmasterson images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 838 B

Original 3.9 kB
After minification 3.9 kB
After compression 3.1 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 838 B or 21% of the original size.

CSS Optimization

-16%

Potential reduce by 82 B

Original 505 B
After minification 505 B
After compression 423 B

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. Jdmasterson.com needs all CSS files to be minified and compressed as it can save up to 82 B or 16% of the original size.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jdmasterson. 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 legibility of your content.

High

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

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 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

Image elements do not have [alt] attributes

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

High

Displays images with incorrect aspect ratio

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

High

robots.txt is not valid

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

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jdmasterson.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jdmasterson.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

jdmasterson.com

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

B·yd2221(中国)官方网站

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

jdmasterson.com

www.jdmasterson.com

font-awesome.min.css

bootstrap.css

style.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

jdmasterson.com

www.jdmasterson.com

font-awesome.min.css

bootstrap.css

style.css

owl-carousel.css

animate.min.css

settings.css

red.css

tk.css

jquery.js

bootstrap.min.js

jquery.20.min.js

menu.js

owl.carousel.min.js

jquery.parallax-1.1.3.js

wow.min.js

jquery.isotope.min.js

jquery.themepunch.plugins.min.js

jquery.themepunch.revolution.min.js

custom.js

jquery.mmenu.all.css

jquery.mmenu.all.min.js

jquery.la.min.js

xin0911.js

ajax.php

loading.gif

1523501147676550.jpg

1601370566627571.jpg

timer.png

logo.png

1523499864406172.jpg

1601372175548525.jpg

1601371422448294.jpg

1601372317599546.jpg

1601372426274269.jpg

1601371245348273.jpg

1601371067606701.jpg

1601370535367412.jpg

push.js

21580663.js

1601364183484229.png

qrcode.png