Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

subnetmask.info

Network Calculators

Page Load Speed

1 sec in total

First Response

173 ms

Resources Loaded

778 ms

Page Rendered

84 ms

subnetmask.info screenshot

About Website

Visit subnetmask.info now to see the best up-to-date Subnetmask content for Iran and also check out these interesting facts you probably never knew about subnetmask.info

Free TCP/IP Network Calculators. Includes web-based Subnet, Supernet and network / node calculators.

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Key Findings

We analyzed Subnetmask.info page load time and found that the first response time was 173 ms and then it took 862 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

subnetmask.info performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

subnetmask.info

173 ms

subnetmask.info

256 ms

default.css

68 ms

cookies.js

134 ms

conversion.js

183 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 63% of them (5 requests) were addressed to the original Subnetmask.info, 25% (2 requests) were made to Pagead2.googlesyndication.com and 13% (1 request) were made to Bluehost.com. The less responsive or slowest element that took the longest time to load (256 ms) belongs to the original domain Subnetmask.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.6 kB (27%)

Content Size

121.7 kB

After Optimization

89.1 kB

In fact, the total size of Subnetmask.info main page is 121.7 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 10% of websites need less resources to load. Javascripts take 81.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 32.1 kB

  • Original 40.2 kB
  • After minification 39.1 kB
  • After compression 8.1 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. 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 32.1 kB or 80% of the original size.

JavaScript Optimization

-0%

Potential reduce by 389 B

  • Original 81.2 kB
  • After minification 81.2 kB
  • After compression 80.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-37%

Potential reduce by 120 B

  • Original 328 B
  • After minification 328 B
  • After compression 208 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. Subnetmask.info needs all CSS files to be minified and compressed as it can save up to 120 B or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (60%)

Requests Now

5

After Optimization

2

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Subnetmask. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

subnetmask.info accessibility score

75

Accessibility Issues

Internationalization and localization

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

Impact

Issue

High

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

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

Form elements do not have associated labels

Best Practices

subnetmask.info best practices score

58

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

subnetmask.info SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Subnetmask.info can be misinterpreted by Google and other search engines. Our service has detected that English 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 Subnetmask.info main page’s claimed encoding is iso-8859-1. 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

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