Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

Page Load Speed

4.1 sec in total

First Response

809 ms

Resources Loaded

2.9 sec

Page Rendered

339 ms

zdl.ir screenshot

About Website

Welcome to zdl.ir homepage info - get ready to check Zdl best content for Iran right away, or after learning these important things about zdl.ir

طراحی، ترجمه و فارسی سازی قالب های وردپرس | قالب وردپرس

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Key Findings

We analyzed Zdl.ir page load time and found that the first response time was 809 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

zdl.ir performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

zdl.ir

809 ms

style.css

294 ms

jquery.min.js

10 ms

memart.js

204 ms

default.min.css

204 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 92% of them (57 requests) were addressed to the original Zdl.ir, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Zdl.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 306.1 kB (42%)

Content Size

723.9 kB

After Optimization

417.8 kB

In fact, the total size of Zdl.ir main page is 723.9 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 339.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 43.8 kB

  • Original 52.7 kB
  • After minification 49.6 kB
  • After compression 8.9 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 43.8 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 30.4 kB

  • Original 339.8 kB
  • After minification 309.5 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. Zdl images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 131.2 kB

  • Original 211.3 kB
  • After minification 204.2 kB
  • After compression 80.2 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 131.2 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 100.7 kB

  • Original 120.0 kB
  • After minification 95.4 kB
  • After compression 19.3 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. Zdl.ir needs all CSS files to be minified and compressed as it can save up to 100.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (58%)

Requests Now

59

After Optimization

25

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zdl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zdl.ir accessibility score

79

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zdl.ir best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zdl.ir SEO score

69

Search Engine Optimization Advices

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 Zdl.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 Zdl.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

Open Graph data is detected on the main page of Zdl. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: