Access tcsbiosciences.co.uk. TCS Biosciences

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value1,520 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.146

77/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

tcsbiosciences.co.uk

317 ms

tcsbiosciences.co.uk

331 ms

www.tcsbiosciences.co.uk

529 ms

slick.css

86 ms

slick-theme.css

163 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 66% of them (61 requests) were addressed to the original Tcsbiosciences.co.uk, 14% (13 requests) were made to Pbs.twimg.com and 8% (7 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (772 ms) belongs to the original domain Tcsbiosciences.co.uk.

Content Size

2.3 MB

After Optimization

2.0 MB

In fact, the total size of Tcsbiosciences.co.uk main page is 2.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 66.3 kB

Original 79.8 kB
After minification 72.0 kB
After compression 13.5 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 66.3 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 40.5 kB

Original 1.9 MB
After minification 1.9 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. TCS Biosciences images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 131.2 kB

Original 203.9 kB
After minification 188.3 kB
After compression 72.7 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 131.2 kB or 64% of the original size.

CSS Optimization

-71%

Potential reduce by 88.1 kB

Original 123.9 kB
After minification 102.3 kB
After compression 35.8 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. Tcsbiosciences.co.uk needs all CSS files to be minified and compressed as it can save up to 88.1 kB or 71% of the original size.

Requests Now

After Optimization

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TCS Biosciences. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 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

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

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

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These items highlight common accessibility best practices.

High

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

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tcsbiosciences.co.uk 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 Tcsbiosciences.co.uk main page’s claimed encoding is windows-1252. 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

tcsbiosciences.co.uk

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

Report Summary

Performance

Accessibility

Best Practices

SEO

TCS Biosciences - Microbiological Supplies

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

tcsbiosciences.co.uk

tcsbiosciences.co.uk

www.tcsbiosciences.co.uk

slick.css

slick-theme.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

tcsbiosciences.co.uk

tcsbiosciences.co.uk

www.tcsbiosciences.co.uk

slick.css

slick-theme.css

tcsbio_2019.css

menu_2019.css

all.css

jquery-1.11.3.min.js

jquery.cookie.js

jquery.toTop.min.js

parallax.iefix.js

js.js

slick.min.js

readmore.js

getgeotrustsslseal

analytics.js

getgeotrustsslseal

basket_button-wht.png

swoosh.png

logo.png

logo_print.png

menu-pointer-down-wht.png

menu-pointer-down.png

tcs_device_32.png

device_100.png

pharma_panel_2019.jpg

clinical_panel_2019.jpg

food_panel_2019.jpg

water_panel_2019.jpg

hr.png

welcome_to_tcs_biosicences_450.png

EN.png

IT.png

FR.png

ES.png

DE.png

down.png

news_agar_plates_570_350.jpg

abm_570x350.png

selectrol_news_1014.jpg

brexit-3561095_570x350.jpg

wwt-2020_590x332.png