Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

portlandhistory.co.uk

The Encyclopaedia of Portland History - Home

Page Load Speed

2.4 sec in total

First Response

181 ms

Resources Loaded

2 sec

Page Rendered

216 ms

portlandhistory.co.uk screenshot

About Website

Click here to check amazing Portland History content. Otherwise, check out these important facts you probably never knew about portlandhistory.co.uk

An educational website based on the Isle of Portland in Dorset, covering the history of the many sites-of-interest across the island.

Visit portlandhistory.co.uk

Key Findings

We analyzed Portlandhistory.co.uk page load time and found that the first response time was 181 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

portlandhistory.co.uk performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

portlandhistory.co.uk

181 ms

www.portlandhistory.co.uk

180 ms

www.portlandhistory.co.uk

369 ms

js

52 ms

sites.css

23 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 40% of them (19 requests) were addressed to the original Portlandhistory.co.uk, 35% (17 requests) were made to Cdn2.editmysite.com and 8% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (867 ms) belongs to the original domain Portlandhistory.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.5 kB (4%)

Content Size

2.8 MB

After Optimization

2.7 MB

In fact, the total size of Portlandhistory.co.uk main page is 2.8 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. 45% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 32.0 kB

  • Original 40.8 kB
  • After minification 39.8 kB
  • After compression 8.7 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 32.0 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.0 MB
  • After minification 2.0 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. Portland History images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 69.6 kB

  • Original 689.8 kB
  • After minification 689.8 kB
  • After compression 620.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 4.8 kB

  • Original 53.7 kB
  • After minification 53.2 kB
  • After compression 48.9 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. Portlandhistory.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (81%)

Requests Now

36

After Optimization

7

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Portland History. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

portlandhistory.co.uk accessibility score

90

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

portlandhistory.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

portlandhistory.co.uk SEO score

92

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

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 Portlandhistory.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 Portlandhistory.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

Open Graph data is detected on the main page of Portland History. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: