Access africa101book.com. 半岛体育官方网站(中国)有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value42,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value54.7 s

0/100

10%

africa101book.com

716 ms

style.css

84 ms

jquery.js

241 ms

jquery-migrate.min.js

165 ms

box.js

261 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 60% of them (43 requests) were addressed to the original Africa101book.com, 7% (5 requests) were made to Fonts.gstatic.com and 6% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (894 ms) belongs to the original domain Africa101book.com.

Content Size

1.9 MB

After Optimization

1.2 MB

In fact, the total size of Africa101book.com main page is 1.9 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. 60% of websites need less resources to load. Images take 988.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 39.5 kB

Original 52.5 kB
After minification 48.0 kB
After compression 13.0 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 39.5 kB or 75% of the original size.

Image Optimization

-11%

Potential reduce by 113.1 kB

Original 988.6 kB
After minification 875.5 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, Africa 101 Book needs image optimization as it can save up to 113.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 318.3 kB

Original 555.6 kB
After minification 553.6 kB
After compression 237.3 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 318.3 kB or 57% of the original size.

CSS Optimization

-85%

Potential reduce by 294.6 kB

Original 348.0 kB
After minification 318.0 kB
After compression 53.4 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. Africa101book.com needs all CSS files to be minified and compressed as it can save up to 294.6 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Africa 101 Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

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

High

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

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

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

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

N/A
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Africa101book.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Africa101book.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

africa101book.com

Open Graph description is not detected on the main page of Africa 101 Book. 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

半岛体育官方网站(中国)有限公司

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

africa101book.com

style.css

jquery.js

jquery-migrate.min.js

box.js

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

africa101book.com

style.css

jquery.js

jquery-migrate.min.js

box.js

jquery.flexslider.min.js

custom.modernizr.min.js

foundation.custom.min.js

touchtouch.jquery.min.js

tinynav.min.js

site.js

wp-embed.min.js

conversion.js

wp-emoji-release.min.js

css

css

analytics.js

ga.js

collect

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