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name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

worldtimeline.info

387 ms

adsbygoogle.js

6 ms

ca-pub-3559906795003053.js

74 ms

zrt_lookup.html

28 ms

show_ads_impl.js

68 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Worldtimeline.info, 11% (8 requests) were made to 4236808.fls.doubleclick.net and 10% (7 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (640 ms) relates to the external source Islandnet.com.

Content Size

426.9 kB

After Optimization

182.6 kB

In fact, the total size of Worldtimeline.info main page is 426.9 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. Javascripts take 351.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 34.6 kB

Original 47.2 kB
After minification 47.1 kB
After compression 12.6 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 34.6 kB or 73% of the original size.

Image Optimization

-17%

Potential reduce by 4.7 kB

Original 27.5 kB
After minification 22.7 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, Worldtimeline needs image optimization as it can save up to 4.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 204.9 kB

Original 351.9 kB
After minification 351.7 kB
After compression 147.0 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 204.9 kB or 58% of the original size.

CSS Optimization

-24%

Potential reduce by 77 B

Original 322 B
After minification 322 B
After compression 245 B

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. Worldtimeline.info needs all CSS files to be minified and compressed as it can save up to 77 B or 24% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Worldtimeline. 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 as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

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

Low

Detected JavaScript libraries

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

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Worldtimeline.info 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Worldtimeline.info main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

worldtimeline.info

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

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

worldtimeline.info

adsbygoogle.js

ca-pub-3559906795003053.js

zrt_lookup.html

show_ads_impl.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

worldtimeline.info

adsbygoogle.js

ca-pub-3559906795003053.js

zrt_lookup.html

show_ads_impl.js

horizontal_solution_PPeCheck.gif

branding.css

cm

badge.gif

poweredby_FFFFFF.gif

ads

osd.js

logo_black_162x90.gif

51P1c42DyLL._SL75_.jpg

513Ley32-aL._SL75_.jpg

51fHaluEGaL._SL75_.jpg

transparent-pixel.gif

branding.css

ads

ads

adj

beacon

m_js_controller.js

abg.js

adj

beacon

favicon

googlelogo_color_112x36dp.png

nessie_icon_tiamat_white.png

s

x_button_blue2.png

activityi;src=4236808;type=invmedia;cat=qk1cfvwl;ord=2073597551

activityi;src=4236808;type=invmedia;cat=4ztf2oue;ord=2073597551

activityi;src=4236808;type=invmedia;cat=ijhardnr;ord=2073597551

activityi;src=4236808;type=invmedia;cat=aoyjbkr6;ord=2073597551

0

surly.js

index.html

verify_selector.js

blank.gif

activityi;src=4236808;type=invmedia;cat=4ztf2oue;ord=1392781995

activityi;src=4236808;type=invmedia;cat=ijhardnr;ord=1392781995

activityi;src=4236808;type=invmedia;cat=aoyjbkr6;ord=1392781995

activityi;src=4236808;type=invmedia;cat=qk1cfvwl;ord=1392781995