Access photonicscience.com. Scientific Imaging | Imaging Cameras and Systems

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.167

71/100

15%

TTI (Time to Interactive)

Value41.8 s

0/100

10%

photonicscience.com

31 ms

photonicscience.com

1371 ms

942ae7c12a8bad4685f79b88043f9b97.js

374 ms

css

66 ms

all.css

91 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 65% of them (40 requests) were addressed to the original Photonicscience.com, 16% (10 requests) were made to Cdnjs.cloudflare.com and 6% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Photonicscience.com.

Content Size

11.3 MB

After Optimization

9.3 MB

In fact, the total size of Photonicscience.com main page is 11.3 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 11.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 68.2 kB

Original 84.2 kB
After minification 72.6 kB
After compression 15.9 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 11.6 kB, which is 14% 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 68.2 kB or 81% of the original size.

Image Optimization

-17%

Potential reduce by 1.9 MB

Original 11.1 MB
After minification 9.1 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. Obviously, Photonicscience needs image optimization as it can save up to 1.9 MB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 9.9 kB

Original 77.0 kB
After minification 77.0 kB
After compression 67.1 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 9.9 kB or 13% of the original size.

CSS Optimization

-18%

Potential reduce by 11.9 kB

Original 66.3 kB
After minification 60.1 kB
After compression 54.5 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. Photonicscience.com needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 18% of the original size.

Requests Now

After Optimization

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Photonicscience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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 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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

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

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

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 Photonicscience.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 Photonicscience.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

photonicscience.com

Open Graph data is detected on the main page of Photonicscience. 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

Scientific Imaging | Imaging Cameras and Systems | Camera Technology

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)

Network Requests Diagram

photonicscience.com

photonicscience.com

942ae7c12a8bad4685f79b88043f9b97.js

css

all.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

photonicscience.com

photonicscience.com

942ae7c12a8bad4685f79b88043f9b97.js

css

all.css

magnific-popup.min.css

style.min.css

styles.css

normalize.css

style.css

bootstrap.min.css

bootstrap.min.css

slick.css

slick-theme.css

animate.min.css

style.css

conditionizr-4.3.0.min.js

modernizr-2.7.1.min.js

jquery-3.3.1.slim.min.js

popper.min.js

bootstrap.min.js

jquery.min.js

bootstrap.min.js

jquery.min.js

jquery-migrate.min.js

scripts.js

219354.js

jquery.min.js

jquery.min.js

jquery.magnific-popup.min.js

hooks.min.js

i18n.min.js

index.js

index.js

slick.min.js

jquery.min.js

gtm.js

main-logo.png

infinite-left-img.png

PS-3-LaueCabinet-View4-RGB72dpi-min-1-e1680779643194.png

PS-3-Cooled-sCMOS-RGB-min.png

Gsense-4040-Quad-1-e1702912175178.png

industrial.jpg