Access projector-window.com. 投影之窗

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.11

87/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

projector-window.com

2018 ms

ga.js

7 ms

__utm.gif

10 ms

bg-001.gif

402 ms

color-demo-1-03.jpg

818 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 97% of them (63 requests) were addressed to the original Projector-window.com, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Projector-window.com.

Content Size

900.4 kB

After Optimization

743.7 kB

In fact, the total size of Projector-window.com main page is 900.4 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. 25% of websites need less resources to load. Images take 709.8 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 154.4 kB

Original 173.4 kB
After minification 142.1 kB
After compression 19.0 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 31.3 kB, which is 18% 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 154.4 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 2.2 kB

Original 709.8 kB
After minification 707.6 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. Projector Window images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

Original 17.2 kB
After minification 17.2 kB
After compression 17.1 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. This website has mostly compressed JavaScripts.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Projector Window. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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

High

Links do not have a discernible name

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

Search Engine Optimization Advices

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

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Projector-window.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 Projector-window.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

projector-window.com

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

投影之窗

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)