Access chris-alexander.co.uk. Chris Alexander - On Engineering

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

chris-alexander.co.uk

54 ms

chris-alexander.co.uk

44 ms

css

36 ms

base.css

17 ms

list.css

18 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 80% of them (12 requests) were addressed to the original Chris-alexander.co.uk, 7% (1 request) were made to Fonts.googleapis.com and 7% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (103 ms) relates to the external source Googletagmanager.com.

Content Size

197.2 kB

After Optimization

67.2 kB

In fact, the total size of Chris-alexander.co.uk main page is 197.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 191.1 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 3.9 kB

Original 6.0 kB
After minification 5.9 kB
After compression 2.2 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 3.9 kB or 64% of the original size.

JavaScript Optimization

-66%

Potential reduce by 126.0 kB

Original 191.1 kB
After minification 191.1 kB
After compression 65.1 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 126.0 kB or 66% of the original size.

Requests Now

After Optimization

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chris Alexander. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Low

Ensure CSP is effective against XSS attacks

High

Browser errors were logged to the console

High

Page has valid source maps

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

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chris-alexander.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 Chris-alexander.co.uk main page’s claimed encoding is utf8. 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

Open Graph description is not detected on the main page of Chris Alexander. 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: