Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

subdownloader.net

SubDownloader - Fast and Easy Subtitle Downloader

Page Load Speed

1.7 sec in total

First Response

245 ms

Resources Loaded

1.4 sec

Page Rendered

76 ms

subdownloader.net screenshot

About Website

Click here to check amazing Sub Downloader content for India. Otherwise, check out these important facts you probably never knew about subdownloader.net

SubDownloader - Fast and Easy Subtitle Downloader

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Key Findings

We analyzed Subdownloader.net page load time and found that the first response time was 245 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

subdownloader.net performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

subdownloader.net

245 ms

subdownloader.net

450 ms

base.css

112 ms

adsbygoogle.js

121 ms

logo.png

222 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 78% of them (14 requests) were addressed to the original Subdownloader.net, 11% (2 requests) were made to Pagead2.googlesyndication.com and 11% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (658 ms) belongs to the original domain Subdownloader.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.9 kB (28%)

Content Size

565.1 kB

After Optimization

406.2 kB

In fact, the total size of Subdownloader.net main page is 565.1 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. 15% of websites need less resources to load. Javascripts take 368.3 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 3.8 kB

  • Original 6.8 kB
  • After minification 6.6 kB
  • After compression 3.0 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 3.8 kB or 56% of the original size.

Image Optimization

-15%

Potential reduce by 28.4 kB

  • Original 188.7 kB
  • After minification 160.3 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, Sub Downloader needs image optimization as it can save up to 28.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-34%

Potential reduce by 126.1 kB

  • Original 368.3 kB
  • After minification 368.3 kB
  • After compression 242.3 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 126.1 kB or 34% of the original size.

CSS Optimization

-41%

Potential reduce by 544 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 770 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. Subdownloader.net needs all CSS files to be minified and compressed as it can save up to 544 B or 41% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sub Downloader. According to our analytics all requests are already optimized.

Accessibility Review

subdownloader.net accessibility score

63

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

subdownloader.net 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

subdownloader.net SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Subdownloader.net 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 Subdownloader.net 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 Sub Downloader. 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: