Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ngdir.ir

پایگاه داده های علوم زمین

Page Load Speed

2.3 sec in total

First Response

782 ms

Resources Loaded

1.4 sec

Page Rendered

118 ms

ngdir.ir screenshot

About Website

Click here to check amazing Ngdir content for Iran. Otherwise, check out these important facts you probably never knew about ngdir.ir

مرجع داده های علوم زمین ایران و سامانه ارائه اطلاعات توصیفی و اسنادی در مورد معادن بهمراه گزارشات موضوعی و مفاهیم آموزشی

Visit ngdir.ir

Key Findings

We analyzed Ngdir.ir page load time and found that the first response time was 782 ms and then it took 1.5 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

ngdir.ir performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.469

18/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

ngdir.ir

782 ms

Borders.css

237 ms

Link.css

315 ms

TXT.css

237 ms

TL.gif

183 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that all of those requests were addressed to Ngdir.ir and no external sources were called. The less responsive or slowest element that took the longest time to load (782 ms) belongs to the original domain Ngdir.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 44.9 kB (65%)

Content Size

68.9 kB

After Optimization

23.9 kB

In fact, the total size of Ngdir.ir main page is 68.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. CSS take 26.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 19.4 kB

  • Original 23.9 kB
  • After minification 23.9 kB
  • After compression 4.5 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 19.4 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 900 B

  • Original 17.2 kB
  • After minification 16.3 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. Ngdir images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 374 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 736 B

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 374 B or 34% of the original size.

CSS Optimization

-91%

Potential reduce by 24.2 kB

  • Original 26.6 kB
  • After minification 21.4 kB
  • After compression 2.4 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. Ngdir.ir needs all CSS files to be minified and compressed as it can save up to 24.2 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (76%)

Requests Now

38

After Optimization

9

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ngdir. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

ngdir.ir accessibility score

72

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

ngdir.ir best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ngdir.ir SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    FA

  • 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 Ngdir.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian 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 Ngdir.ir 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 Ngdir. 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: