Access bjpvpower.com. 太阳能控制器_MORNINGSTAR控制器_锂电池控制器_纯正弦波逆变器

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.762

5/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

bjpvpower.com

8960 ms

Css.css

4208 ms

Layer.js

6963 ms

jquery-1.10.2.js

20004 ms

jquery-migrate-1.2.1.min.js

8285 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 29% of them (23 requests) were addressed to the original Bjpvpower.com, 23% (18 requests) were made to Qiao.baidu.com and 14% (11 requests) were made to Sysimages.tq.cn. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Qiao.baidu.com.

Content Size

214.9 kB

After Optimization

83.4 kB

In fact, the total size of Bjpvpower.com main page is 214.9 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. Javascripts take 102.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 18.5 kB

Original 24.6 kB
After minification 21.4 kB
After compression 6.1 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. This page needs HTML code to be minified as it can gain 3.2 kB, which is 13% 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 18.5 kB or 75% of the original size.

Image Optimization

-14%

Potential reduce by 5.7 kB

Original 40.3 kB
After minification 34.7 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. Obviously, Bjpvpower needs image optimization as it can save up to 5.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 69.2 kB

Original 102.1 kB
After minification 100.5 kB
After compression 32.8 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 69.2 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 38.1 kB

Original 47.9 kB
After minification 37.3 kB
After compression 9.8 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. Bjpvpower.com needs all CSS files to be minified and compressed as it can save up to 38.1 kB or 80% 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 Bjpvpower. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 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

High

[lang] attributes do not have a valid value

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

Search Engine Optimization Advices

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

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

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

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 Bjpvpower.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 Bjpvpower.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

bjpvpower.com

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

太阳能控制器_MORNINGSTAR控制器_锂电池控制器_纯正弦波逆变器_光伏发电系统-北京首善信达【官网】

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

bjpvpower.com

Css.css

Layer.js

jquery-1.10.2.js

jquery-migrate-1.2.1.min.js

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

bjpvpower.com

Css.css

Layer.js

jquery-1.10.2.js

jquery-migrate-1.2.1.min.js

jquery.KinSlideshow-1.1.js

floatcard

type-button-1.jpg

index2-1_02.gif

index2-1_04.gif

logo.jpg

navbg_08.gif

nav_08.gif

nav_14.gif

nav_11.gif

201591816245244.jpg

201581795611290.jpg

2015522112721921.jpg

201581795725731.jpg

2015522112338499.jpg

201572145453621.jpg

ibtmbg_36.gif

ibtmbg_40.gif

ibtmbg_38.gif

btmbg_45.gif

all_20100501.js

as.js

style.css

getonline

float.js

stat.php

on101.gif

icooff.gif

off.gif

down.gif

btm.gif

stat.htm

core.php

head.gif

body.gif

9.gif

pic1.gif

h.js