Access bike20.ir. بایک بیست

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

bike20.ir

647 ms

css.php

875 ms

css.php

1106 ms

combo

6 ms

vbulletin-core.js

913 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 97% of them (93 requests) were addressed to the original Bike20.ir, 1% (1 request) were made to Yui.yahooapis.com and 1% (1 request) were made to Issue.flatly.ir. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Bike20.ir.

Content Size

887.8 kB

After Optimization

285.9 kB

In fact, the total size of Bike20.ir main page is 887.8 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. 45% of websites need less resources to load. CSS take 293.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 151.5 kB

Original 173.8 kB
After minification 165.7 kB
After compression 22.3 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. 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 151.5 kB or 87% of the original size.

Image Optimization

-20%

Potential reduce by 35.8 kB

Original 179.5 kB
After minification 143.7 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. Obviously, Bike 20 needs image optimization as it can save up to 35.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 166.4 kB

Original 241.5 kB
After minification 234.3 kB
After compression 75.1 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 166.4 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 248.4 kB

Original 293.1 kB
After minification 253.4 kB
After compression 44.7 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. Bike20.ir needs all CSS files to be minified and compressed as it can save up to 248.4 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bike 20. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS 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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

High

robots.txt is not valid

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

FA
Language Claimed

FA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bike20.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and it matches the claimed language. Our system also found out that Bike20.ir 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

bike20.ir

Open Graph description is not detected on the main page of Bike 20. 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

بایک بیست

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)

Network Requests Diagram

bike20.ir

css.php

css.php

combo

vbulletin-core.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

bike20.ir

css.php

css.php

combo

vbulletin-core.js

jquery-2.1.1.min.js

jalali.js

app.min.js

appbanner.css

appbanner.js

css.php

vbulletin_read_marker.js

vbulletin_md5.js

includes.css

modernizr.min.js

retina.min.js

SmoothScroll.min.js

headroom.min.js

persianumber.min.js

jBox.min.js

vietvbb_topx.js

1.gif

48kpcyoug58n8qvoxmqr.jpg

logo.png

1452086957banner1.gif

1437516815banner2.gif

1438626695banner3.gif

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php

flatly-av.php