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Report Summary

About Website

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

Scientific editing and consulting, editorial services, and freelance writing, as well as free commentary about biological science by Nancy R. Gough, PhD

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value600 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.216

58/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

bioserendipity.com

17 ms

www.bioserendipity.com

570 ms

js

155 ms

style.min.css

7 ms

email-subscribers-public.css

15 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 82% of them (32 requests) were addressed to the original Bioserendipity.com, 10% (4 requests) were made to Static.addtoany.com and 5% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (570 ms) belongs to the original domain Bioserendipity.com.

Content Size

1.0 MB

After Optimization

838.3 kB

In fact, the total size of Bioserendipity.com main page is 1.0 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. 65% of websites need less resources to load. Images take 751.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 62.5 kB

Original 79.2 kB
After minification 78.2 kB
After compression 16.7 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 62.5 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 41.8 kB

Original 751.0 kB
After minification 709.2 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. Bio Serendipity images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 57.5 kB

Original 137.6 kB
After minification 137.6 kB
After compression 80.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 57.5 kB or 42% of the original size.

CSS Optimization

-17%

Potential reduce by 6.5 kB

Original 38.7 kB
After minification 38.7 kB
After compression 32.2 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. Bioserendipity.com needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 17% of the original size.

Requests Now

After Optimization

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bio Serendipity. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bioserendipity.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Bioserendipity.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

bioserendipity.com

Open Graph data is detected on the main page of Bio Serendipity. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

BioSerendipity | Scientific consulting, editorial services, freelance writing

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)