Access thedistancedelta.com. Home

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

thedistancedelta.com

1195 ms

jquery-1.5.2.min.js

504 ms

Script.js

227 ms

plusone.js

79 ms

styles.css

281 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 93% of them (52 requests) were addressed to the original Thedistancedelta.com, 4% (2 requests) were made to Apis.google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Thedistancedelta.com.

Content Size

666.5 kB

After Optimization

440.7 kB

In fact, the total size of Thedistancedelta.com main page is 666.5 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. 40% of websites need less resources to load. Images take 422.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 46.9 kB

Original 59.6 kB
After minification 52.3 kB
After compression 12.7 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. This page needs HTML code to be minified as it can gain 7.3 kB, which is 12% 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 46.9 kB or 79% of the original size.

Image Optimization

-13%

Potential reduce by 54.9 kB

Original 422.0 kB
After minification 367.1 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. Obviously, The Distance Delta needs image optimization as it can save up to 54.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 96.3 kB

Original 148.6 kB
After minification 144.9 kB
After compression 52.3 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 96.3 kB or 65% of the original size.

CSS Optimization

-77%

Potential reduce by 27.8 kB

Original 36.3 kB
After minification 30.1 kB
After compression 8.5 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. Thedistancedelta.com needs all CSS files to be minified and compressed as it can save up to 27.8 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Distance Delta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thedistancedelta.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Thedistancedelta.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

thedistancedelta.com

Open Graph description is not detected on the main page of The Distance Delta. 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

Home - The Distance Delta

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)

Network Requests Diagram

thedistancedelta.com

jquery-1.5.2.min.js

Script.js

plusone.js

styles.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

thedistancedelta.com

jquery-1.5.2.min.js

Script.js

plusone.js

styles.css

WebResource.axd

WebResource.axd

WebResource.axd

WebResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

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ScriptResource.axd

cb=gapi.loaded_0

analytics.js

Young_Learners.sflb.ashx

Course_Materials.sflb.ashx

eLibrary.sflb.ashx

Course_Participants_Worldwide.sflb.ashx

91_Pass_Rate.sflb.ashx

Blended_Options.sflb.ashx

The_Largest_Delta_Centre.sflb.ashx

Courses_in_both_Module_3_Qualifications.sflb.ashx

New_Video_Materials.sflb.ashx

Same_Qualification.sflb.ashx

International_House.sflb.ashx

British_Council.sflb.ashx

University_of_Cambridge.sflb.ashx

collect

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bkg-facebook-small.png

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WebResource.axd