Tools & Wizards About Us
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Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

sciencefool.com

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Page Load Speed

6 sec in total

First Response

494 ms

Resources Loaded

5.3 sec

Page Rendered

226 ms

sciencefool.com screenshot

About Website

Click here to check amazing Sciencefool content. Otherwise, check out these important facts you probably never knew about sciencefool.com

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Key Findings

We analyzed Sciencefool.com page load time and found that the first response time was 494 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sciencefool.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

sciencefool.com

494 ms

20941065.js

2192 ms

20761889.js

2244 ms

hm.js

2526 ms

My.js

137 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Sciencefool.com, 33% (2 requests) were made to Js.users.51.la and 17% (1 request) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.9 kB (45%)

Content Size

48.6 kB

After Optimization

26.6 kB

  • HTML
  • JavaScript

In fact, the total size of Sciencefool.com main page is 48.6 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. Only 5% of websites need less resources to load. Javascripts take 36.2 kB which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 6.5 kB

  • Original 12.4 kB
  • After minification 12.4 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. 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 6.5 kB or 52% of the original size.

JavaScript Optimization

-43%

Potential reduce by 15.5 kB

  • Original 36.2 kB
  • After minification 36.2 kB
  • After compression 20.7 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 15.5 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (75%)

Requests Now

4

After Optimization

1

  • JavaScript

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciencefool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sciencefool.com

sciencefool.com

494 ms

20941065.js

20941065.js

2192 ms

20761889.js

20761889.js

2244 ms

hm.js

hm.js

2526 ms

My.js

My.js

137 ms

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0 ms

Accessibility Review

sciencefool.com accessibility score

45

Accessibility Issues

Names and labels

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.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sciencefool.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sciencefool.com SEO score

92

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

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 Sciencefool.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 Sciencefool.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

sciencefool.com

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