Access stjerome.co.uk. Routledge - Publisher of Professional & Academic Books

31

Performance

Renders faster than
51% of other websites
92

Accessibility

Visual factors better than
that of 78% of websites
83

Best Practices

More advanced features
available than in
55% of websites
86

SEO

Google-friendlier than
60% of websites

First Response

223 ms

Resources Loaded

1.4 sec

Page Rendered

305 ms

About Website

Visit stjerome.co.uk now to see the best up-to-date Stjerome content and also check out these interesting facts you probably never knew about stjerome.co.uk

Routledge is a leading book publisher that fosters human progress through knowledge for scholars, instructors and professionals

Visit stjerome.co.uk

Key Findings

We analyzed Stjerome.co.uk page load time and found that the first response time was 223 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value1,700 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

stjerome.co.uk

223 ms

www.routledge.com

301 ms

otSDKStub.js

41 ms

202702.js

30 ms

vendor.css

71 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Stjerome.co.uk, 50% (51 requests) were made to Fonts.gstatic.com and 24% (24 requests) were made to Routledge.com. The less responsive or slowest element that took the longest time to load (301 ms) relates to the external source Routledge.com.

Content Size

436.1 kB

After Optimization

374.6 kB

In fact, the total size of Stjerome.co.uk main page is 436.1 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. 55% of websites need less resources to load. Images take 169.2 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 61.4 kB

Original 89.7 kB
After minification 89.6 kB
After compression 28.3 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 61.4 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 169.2 kB
After minification 169.2 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. Stjerome images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 48 B

Original 152.9 kB
After minification 152.9 kB
After compression 152.9 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

-0%

Potential reduce by 14 B

Original 24.3 kB
After minification 24.3 kB
After compression 24.3 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. Stjerome.co.uk has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stjerome. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 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-*] attributes do not match their roles

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

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 Stjerome.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 Stjerome.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

stjerome.co.uk

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

Routledge - Publisher of Professional & Academic Books

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)