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Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

ww7.cellreverse411.com

39 ms

bFhttiscJ.js

3 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Cellreverse411.com and no external sources were called. The less responsive or slowest element that took the longest time to load (39 ms) relates to the external source Ww7.cellreverse411.com.

Content Size

61.1 kB

After Optimization

18.8 kB

In fact, the total size of Cellreverse411.com main page is 61.1 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. Only 5% of websites need less resources to load. CSS take 33.5 kB which makes up the majority of the site volume.

HTML Optimization

-28%

Potential reduce by 319 B

Original 1.1 kB
After minification 1.1 kB
After compression 828 B

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 319 B or 28% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

Original 1.5 kB
After minification 1.5 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. Cellreverse 411 images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 14.8 kB

Original 24.9 kB
After minification 24.7 kB
After compression 10.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 14.8 kB or 59% of the original size.

CSS Optimization

-81%

Potential reduce by 27.1 kB

Original 33.5 kB
After minification 26.9 kB
After compression 6.4 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. Cellreverse411.com needs all CSS files to be minified and compressed as it can save up to 27.1 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cellreverse 411. According to our analytics all requests are already optimized.

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

Search Engine Optimization Advices

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

High

Links are not crawlable

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

ZH
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cellreverse411.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Cellreverse411.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

Open Graph description is not detected on the main page of Cellreverse 411. 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: