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3499.co screenshot

51

Performance

Renders faster than
69% of other websites
81

Accessibility

Visual factors better than
that of 51% of websites
67

Best Practices

More advanced features
available than in
24% of websites
85

SEO

Google-friendlier than
55% of websites

First Response

399 ms

Resources Loaded

17.9 sec

Page Rendered

801 ms

3499.co screenshot

About Website

Click here to check amazing 3499 content. Otherwise, check out these important facts you probably never knew about 3499.co

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Visit 3499.co

Key Findings

We analyzed 3499.co page load time and found that the first response time was 399 ms and then it took 18.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.182

67/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

3499.co

399 ms

www.3499.co

498 ms

index.css

132 ms

m.js

870 ms

common.js

159 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that 14% of them (26 requests) were addressed to the original 3499.co, 24% (43 requests) were made to Img.3499.co and 10% (18 requests) were made to Img2.3499.co. The less responsive or slowest element that took the longest time to load (7.8 sec) relates to the external source Pcookie.cnzz.com.

Content Size

1.3 MB

After Optimization

918.7 kB

In fact, the total size of 3499.co main page is 1.3 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. 65% of websites need less resources to load. Images take 783.3 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 172.2 kB

Original 190.3 kB
After minification 95.9 kB
After compression 18.1 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 94.4 kB, which is 50% 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 172.2 kB or 90% of the original size.

Image Optimization

-5%

Potential reduce by 36.6 kB

Original 783.3 kB
After minification 746.7 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. 3499 images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 122.2 kB

Original 270.1 kB
After minification 270.0 kB
After compression 147.9 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 122.2 kB or 45% of the original size.

CSS Optimization

-74%

Potential reduce by 16.9 kB

Original 22.8 kB
After minification 20.4 kB
After compression 6.0 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. 3499.co needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 74% of the original size.

Requests Now

176

After Optimization

142

The browser has sent 176 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3499. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts 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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3499.co can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 3499.co 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

3499.co

Open Graph description is not detected on the main page of 3499. 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:

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