Tools & Wizards About Us

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

101science.com

Your mobile friendy science directory and learning center

Page Load Speed

1.1 sec in total

First Response

430 ms

Resources Loaded

569 ms

Page Rendered

121 ms

About Website

Click here to check amazing 101 Science content for United States. Otherwise, check out these important facts you probably never knew about 101science.com

Visit 101science.com

Key Findings

We analyzed 101science.com page load time and found that the first response time was 430 ms and then it took 690 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

101science.com performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

95/100

10%

Network Requests Diagram

101science.com

430 ms

analytics.js

22 ms

collect

12 ms

collect

58 ms

ga-audiences

33 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 50% of them (5 requests) were addressed to the original 101science.com, 20% (2 requests) were made to Google-analytics.com and 10% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (430 ms) belongs to the original domain 101science.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.8 kB (67%)

Content Size

108.0 kB

After Optimization

35.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of 101science.com main page is 108.0 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 52.9 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 40.1 kB

  • Original 45.1 kB
  • After minification 45.0 kB
  • After compression 5.0 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 40.1 kB or 89% of the original size.

Image Optimization

-8%

Potential reduce by 768 B

  • Original 10.0 kB
  • After minification 9.2 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. 101 Science images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 101 Science. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

101science.com accessibility score

88

Accessibility Issues

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

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

Links do not have a discernible name

Best Practices

101science.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

101science.com SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 101science.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 101science.com main page’s claimed encoding is iso-8859-1. 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

Open Graph description is not detected on the main page of 101 Science. 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: