Tools & Wizards About Us
postboxlondon.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

postboxlondon.com

postboxlondon.com

Page Load Speed

14.3 sec in total

First Response

2.2 sec

Resources Loaded

11.3 sec

Page Rendered

758 ms

postboxlondon.com screenshot

About Website

Welcome to postboxlondon.com homepage info - get ready to check Postboxlondon best content right away, or after learning these important things about postboxlondon.com

This domain may be for sale!

Visit postboxlondon.com

Key Findings

We analyzed Postboxlondon.com page load time and found that the first response time was 2.2 sec and then it took 12 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

postboxlondon.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value29.6 s

0/100

25%

SI (Speed Index)

Value22.3 s

0/100

10%

TBT (Total Blocking Time)

Value3,630 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.108

87/100

15%

TTI (Time to Interactive)

Value35.5 s

0/100

10%

Network Requests Diagram

www.postboxlondon.com

2242 ms

wp-emoji-release.min.js

266 ms

style.min.css

370 ms

theme.min.css

292 ms

style.css

551 ms

Our browser made a total of 127 requests to load all elements on the main page. We found that 63% of them (80 requests) were addressed to the original Postboxlondon.com, 23% (29 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Paypal.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Postboxlondon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (49%)

Content Size

4.1 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Postboxlondon.com main page is 4.1 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. 70% of websites need less resources to load. CSS take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 120.7 kB

  • Original 147.2 kB
  • After minification 144.8 kB
  • After compression 26.6 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. 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 120.7 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 522 B

  • Original 1.7 MB
  • After minification 1.7 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. Postboxlondon images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 200.0 kB

  • Original 400.3 kB
  • After minification 383.8 kB
  • After compression 200.3 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 200.0 kB or 50% of the original size.

CSS Optimization

-91%

Potential reduce by 1.7 MB

  • Original 1.8 MB
  • After minification 1.8 MB
  • After compression 172.6 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. Postboxlondon.com needs all CSS files to be minified and compressed as it can save up to 1.7 MB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 79 (85%)

Requests Now

93

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Postboxlondon. 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 37 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.postboxlondon.com

www.postboxlondon.com

2242 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

266 ms

style.min.css

style.min.css

370 ms

theme.min.css

theme.min.css

292 ms

style.css

style.css

551 ms

font-awesome.min.css

font-awesome.min.css

366 ms

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360 ms

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48 ms

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64 ms

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datepicker.min.js

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1421 ms

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1320 ms

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1315 ms

anime.min.js

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1334 ms

jet-popup-frontend.min.js

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1328 ms

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css

css

46 ms

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frontend.js

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analytics.js

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115 ms

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zrt_lookup.html

zrt_lookup.html

145 ms

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ads

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blackpostbox.png

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Accessibility Review

postboxlondon.com accessibility score

92

Accessibility Issues

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

Buttons do not have an accessible name

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.

Best Practices

postboxlondon.com best practices score

75

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

postboxlondon.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Postboxlondon.com 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 Postboxlondon.com 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

postboxlondon.com

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