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Report Summary

About Website

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

nulldownload.rozblog.com

583 ms

site.css

159 ms

styles.css

315 ms

script.js

324 ms

popup

353 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 50% of them (15 requests) were addressed to the original Nulldownload.rozblog.com, 17% (5 requests) were made to Persianscript.ir and 7% (2 requests) were made to Popkade.ir. The less responsive or slowest element that took the longest time to load (718 ms) relates to the external source Persianscript.ir.

Content Size

254.4 kB

After Optimization

187.4 kB

In fact, the total size of Nulldownload.rozblog.com main page is 254.4 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. 25% of websites need less resources to load. Images take 146.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 55.7 kB

Original 67.1 kB
After minification 57.6 kB
After compression 11.3 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 9.4 kB, which is 14% 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 55.7 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 3.2 kB

Original 146.3 kB
After minification 143.1 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. Null Download Rozblog images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 2.4 kB

Original 16.6 kB
After minification 16.6 kB
After compression 14.1 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 2.4 kB or 15% of the original size.

CSS Optimization

-23%

Potential reduce by 5.6 kB

Original 24.4 kB
After minification 24.4 kB
After compression 18.8 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. Nulldownload.rozblog.com needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Null Download Rozblog. According to our analytics all requests are already optimized.

Accessibility Issues

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

Document doesn't have a <title> element

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

High

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

Search Engine Optimization Advices

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

High

Document doesn't have a <title> element

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 Nulldownload.rozblog.com 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 Nulldownload.rozblog.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

nulldownload.rozblog.com

Open Graph description is not detected on the main page of Null Download Rozblog. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)