Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

invisiverse.wonderhowto.com

Invisiverse — News of the secret, beautiful & dangerous world of microbes « Invisiverse :: WonderHowTo

Page Load Speed

3.3 sec in total

First Response

139 ms

Resources Loaded

2 sec

Page Rendered

1.2 sec

invisiverse.wonderhowto.com screenshot

About Website

Visit invisiverse.wonderhowto.com now to see the best up-to-date Invisiverse Wonder Howto content for United States and also check out these interesting facts you probably never knew about invisiverse.wonderhowto.com

Viruses and bacteria make up the invisible world around us. Invisiverse sees the world through this microbe lens: how they impact our health, our world, and the environment in stunning ways. Find the ...

Visit invisiverse.wonderhowto.com

Key Findings

We analyzed Invisiverse.wonderhowto.com page load time and found that the first response time was 139 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

invisiverse.wonderhowto.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value2,660 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

invisiverse.wonderhowto.com

139 ms

invisiverse.wonderhowto.com

740 ms

gtm.js

81 ms

js

175 ms

tag.aspx

39 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Invisiverse.wonderhowto.com, 78% (69 requests) were made to Img.wonderhowto.com and 3% (3 requests) were made to Cdn.keywee.co. The less responsive or slowest element that took the longest time to load (740 ms) belongs to the original domain Invisiverse.wonderhowto.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (23%)

Content Size

6.2 MB

After Optimization

4.8 MB

In fact, the total size of Invisiverse.wonderhowto.com main page is 6.2 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. Only a small number of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 375.1 kB

  • Original 422.7 kB
  • After minification 352.1 kB
  • After compression 47.6 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 70.6 kB, which is 17% 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 375.1 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.0 MB
  • After minification 4.0 MB

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. Invisiverse Wonder Howto images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 668.5 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 568.8 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 668.5 kB or 54% of the original size.

CSS Optimization

-80%

Potential reduce by 399.7 kB

  • Original 499.3 kB
  • After minification 499.1 kB
  • After compression 99.6 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. Invisiverse.wonderhowto.com needs all CSS files to be minified and compressed as it can save up to 399.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (25%)

Requests Now

83

After Optimization

62

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Invisiverse Wonder Howto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

invisiverse.wonderhowto.com accessibility score

66

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

invisiverse.wonderhowto.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

invisiverse.wonderhowto.com SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Invisiverse.wonderhowto.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 Invisiverse.wonderhowto.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

Open Graph description is not detected on the main page of Invisiverse Wonder Howto. 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: