Access stemmer-imaging.co.uk. Stemmer Imaging B2B Store

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

stemmer-imaging.co.uk

241 ms

1269 ms

css

23 ms

base_si.css

437 ms

base.js

1228 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 76% of them (42 requests) were addressed to the original Stemmer-imaging.co.uk, 9% (5 requests) were made to Google-analytics.com and 7% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Stemmer-imaging.co.uk.

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Stemmer-imaging.co.uk main page is 1.5 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. 30% of websites need less resources to load. Images take 978.9 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 105.7 kB

Original 121.3 kB
After minification 98.4 kB
After compression 15.6 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 23.0 kB, which is 19% 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 105.7 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 37.4 kB

Original 978.9 kB
After minification 941.5 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. Stemmer Imaging images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 36.8 kB

Original 76.9 kB
After minification 75.1 kB
After compression 40.1 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 36.8 kB or 48% of the original size.

CSS Optimization

-92%

Potential reduce by 276.3 kB

Original 301.4 kB
After minification 301.3 kB
After compression 25.1 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. Stemmer-imaging.co.uk needs all CSS files to be minified and compressed as it can save up to 276.3 kB or 92% of the original size.

Requests Now

After Optimization

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stemmer Imaging. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts 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-*] attributes do not have valid values

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stemmer-imaging.co.uk can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Stemmer-imaging.co.uk 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

stemmer-imaging.co.uk

Open Graph description is not detected on the main page of Stemmer Imaging. 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

Stemmer Imaging B2B Store

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

stemmer-imaging.co.uk

css

base_si.css

base.js

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

stemmer-imaging.co.uk

css

base_si.css

base.js

i18n.js

32630.js

maxresdefault.jpg

logo.png

icon_16_EN.png

A_SI-CVB_rnfANkg.png

A_SI-Handbook_2016_en_W59Ak0K.png

A_Home_Products_3.jpg

A_Home_Markets_11.jpg

A_Home_EIA_1.jpg

promo-hp-handbook_en.png

promo-bloodhound.jpg

hyperspectral-promo-hp-en.png

icon_16_plus.png

sidebar_left_big_bg.png

list-inverted-thumb-unit-vision-solutions.png

list-inverted-thumb-unit-illumination.png

list-inverted-thumb-unit-optics.png

list-inverted-thumb-unit-cameras.png

list-inverted-thumb-unit-cabeling.png

list-inverted-thumb-unit-acquisition.png

list-inverted-thumb-unit-software.png

list-inverted-thumb-unit-computers.png

list-inverted-thumb-unit-accessoires.png

video_play_big.png

arrow-right-grey.png

icon_social_24_rss.png

icon_social_24_twitter.png

icon_social_24_linkedin.png

icon_social_24_googleplus.png

icon_social_24_youtube.png

icon_24_phone.png

icon_24_newsletter.png

icon_24_book.png

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indicator.png

vertical_shadow.png