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sdslsolar.com screenshot

22

Performance

Renders faster than
40% of other websites
71

Accessibility

Visual factors better than
that of 36% of websites
83

Best Practices

More advanced features
available than in
55% of websites
81

SEO

Google-friendlier than
43% of websites

First Response

4 sec

Resources Loaded

4.9 sec

Page Rendered

214 ms

sdslsolar.com screenshot

About Website

Welcome to sdslsolar.com homepage info - get ready to check Sdslsolar best content right away, or after learning these important things about sdslsolar.com

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Key Findings

We analyzed Sdslsolar.com page load time and found that the first response time was 4 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

sdslsolar.com

4029 ms

main.css

130 ms

banner.js

132 ms

quee.js

85 ms

body_bg.jpg

320 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Sdslsolar.com and no external sources were called. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Sdslsolar.com.

Content Size

1.1 MB

After Optimization

708.1 kB

In fact, the total size of Sdslsolar.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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 12.3 kB

Original 15.0 kB
After minification 14.3 kB
After compression 2.7 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 12.3 kB or 82% of the original size.

Image Optimization

-35%

Potential reduce by 375.4 kB

Original 1.1 MB
After minification 702.3 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, Sdslsolar needs image optimization as it can save up to 375.4 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 1.4 kB

Original 2.1 kB
After minification 1.8 kB
After compression 731 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 1.4 kB or 66% of the original size.

CSS Optimization

-77%

Potential reduce by 7.7 kB

Original 10.1 kB
After minification 8.5 kB
After compression 2.3 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. Sdslsolar.com needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 77% of the original size.

Requests Now

22

After Optimization

22

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdslsolar. According to our analytics all requests are already optimized.

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 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

robots.txt is not valid

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

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sdslsolar.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 Sdslsolar.com main page’s claimed encoding is gb2312. 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

sdslsolar.com

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