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Report Summary

About Website

Welcome to ess-sims.co.uk homepage info - get ready to check ESS SIMS best content right away, or after learning these important things about ess-sims.co.uk

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,450 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

www.ess-sims.co.uk

583 ms

w-not-As-her-Make-my-thos-stickes-taket-is-repe-

56 ms

google_tag.script.js

179 ms

ajax-progress.module.css

35 ms

align.module.css

34 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 88% of them (104 requests) were addressed to the original Ess-sims.co.uk, 2% (2 requests) were made to Cdn.jsdelivr.net and 2% (2 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Ess-sims.co.uk.

Content Size

506.4 kB

After Optimization

435.4 kB

In fact, the total size of Ess-sims.co.uk main page is 506.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 227.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 46.5 kB

Original 57.4 kB
After minification 49.4 kB
After compression 10.8 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 8.0 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 46.5 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 6.4 kB

Original 115.9 kB
After minification 109.5 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. ESS SIMS images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 703 B

Original 227.6 kB
After minification 227.5 kB
After compression 226.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-16%

Potential reduce by 17.3 kB

Original 105.5 kB
After minification 104.4 kB
After compression 88.2 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. Ess-sims.co.uk needs all CSS files to be minified and compressed as it can save up to 17.3 kB or 16% of the original size.

Requests Now

114

After Optimization

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ESS SIMS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 42 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

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

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Ess-sims.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 Ess-sims.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

ess-sims.co.uk

Open Graph description is not detected on the main page of ESS SIMS. 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

ESS SIMS | Thousands of schools trust SIMS every day

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)