Tools & Wizards About Us
developers.viawallet.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

developers.viawallet.com

Blockchain aggregated API data service - ViaWallet Developers

Page Load Speed

12.8 sec in total

First Response

1.3 sec

Resources Loaded

11 sec

Page Rendered

582 ms

developers.viawallet.com screenshot

About Website

Visit developers.viawallet.com now to see the best up-to-date Developers Via Wallet content for Iran and also check out these interesting facts you probably never knew about developers.viawallet.com

ViaWallet provides developers with a simple and reliable blockchain API service, saving servers operating costs, etc. Currently, APIs of multiple coins like BTC are applicable to exchanges, wallets, D...

Visit developers.viawallet.com

Key Findings

We analyzed Developers.viawallet.com page load time and found that the first response time was 1.3 sec and then it took 11.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

developers.viawallet.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value2,060 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

developers.viawallet.com

1261 ms

font_2377315_wznldg04o7.css

377 ms

js

168 ms

7a891c3.css

1271 ms

7edec44.css

1073 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 54% of them (45 requests) were addressed to the original Developers.viawallet.com, 42% (35 requests) were made to Viawallet-static.oss-cn-hongkong.aliyuncs.com and 2% (2 requests) were made to At.alicdn.com. The less responsive or slowest element that took the longest time to load (6.8 sec) belongs to the original domain Developers.viawallet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 950.7 kB (25%)

Content Size

3.9 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Developers.viawallet.com main page is 3.9 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. 40% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 44.2 kB

  • Original 51.3 kB
  • After minification 50.7 kB
  • After compression 7.2 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 44.2 kB or 86% of the original size.

Image Optimization

-24%

Potential reduce by 906.5 kB

  • Original 3.8 MB
  • After minification 2.9 MB

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, Developers Via Wallet needs image optimization as it can save up to 906.5 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 17 B

  • Original 655 B
  • After minification 655 B
  • After compression 638 B

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. This website has mostly compressed JavaScripts.

CSS Optimization

-11%

Potential reduce by 60 B

  • Original 557 B
  • After minification 557 B
  • After compression 497 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. Developers.viawallet.com needs all CSS files to be minified and compressed as it can save up to 60 B or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (11%)

Requests Now

80

After Optimization

71

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Developers Via Wallet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

developers.viawallet.com

developers.viawallet.com

1261 ms

font_2377315_wznldg04o7.css

font_2377315_wznldg04o7.css

377 ms

js

js

168 ms

7a891c3.css

7a891c3.css

1271 ms

7edec44.css

7edec44.css

1073 ms

6bcf26c.css

6bcf26c.css

1068 ms

header_logo.png

header_logo.png

1053 ms

developer.png

developer.png

1110 ms

menu.svg

menu.svg

1095 ms

viawallet-logo.svg

viawallet-logo.svg

1976 ms

viabtc-logo.svg

viabtc-logo.svg

2013 ms

coinex-logo.svg

coinex-logo.svg

2019 ms

chain-logo.svg

chain-logo.svg

2064 ms

oneswap-logo.svg

oneswap-logo.svg

2135 ms

capital-logo.svg

capital-logo.svg

2201 ms

lang.svg

lang.svg

2890 ms

landing.png

landing.png

2961 ms

api.png

api.png

3921 ms

main1.png

main1.png

3585 ms

main2.png

main2.png

3637 ms

main3.png

main3.png

3756 ms

use1.png

use1.png

3841 ms

use2.png

use2.png

3925 ms

use3.png

use3.png

4571 ms

email-decode.min.js

email-decode.min.js

3639 ms

3610b16.js

3610b16.js

4580 ms

59302a7.js

59302a7.js

4648 ms

39ebd58.js

39ebd58.js

5335 ms

8f7c894.js

8f7c894.js

5852 ms

6e601fa.js

6e601fa.js

5298 ms

use4.png

use4.png

5539 ms

use5.png

use5.png

4839 ms

use6.png

use6.png

5592 ms

step1.png

step1.png

5785 ms

step.png

step.png

6281 ms

step2.png

step2.png

6328 ms

step3.png

step3.png

6482 ms

step4.png

step4.png

6540 ms

footer_logo.png

footer_logo.png

6770 ms

bg_right.svg

bg_right.svg

5605 ms

main_bg.png

main_bg.png

5979 ms

bg.png

bg.png

5974 ms

element-icons.313f7da.woff

element-icons.313f7da.woff

6170 ms

font_2377315_wznldg04o7.woff

font_2377315_wznldg04o7.woff

508 ms

supportedcoins

supportedcoins

576 ms

landing.png

landing.png

1497 ms

menu.svg

menu.svg

1540 ms

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950 ms

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949 ms

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944 ms

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990 ms

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1009 ms

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972 ms

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1180 ms

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1205 ms

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1226 ms

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1238 ms

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1223 ms

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1244 ms

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1422 ms

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1476 ms

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1494 ms

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1486 ms

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1503 ms

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1497 ms

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1700 ms

7c5f0f35a5f4a931af7cec18a07753f05aabb7a1bbfabc3808ec1f8c7f5169e3.png

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1710 ms

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1744 ms

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1728 ms

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1736 ms

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1744 ms

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1939 ms

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1950 ms

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1981 ms

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1979 ms

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2005 ms

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2019 ms

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2191 ms

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2190 ms

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2230 ms

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2221 ms

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2251 ms

mid_bg2.png

mid_bg2.png

2684 ms

Accessibility Review

developers.viawallet.com accessibility score

88

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

developers.viawallet.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

developers.viawallet.com SEO score

92

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Developers.viawallet.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Developers.viawallet.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

developers.viawallet.com

Open Graph description is not detected on the main page of Developers Via Wallet. 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: