Tools & Wizards About Us
blacklight.ro screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

blacklight.ro

Soluții în domeniul geodeziei și măsurătorilor topografice | BlackLight.ro

Page Load Speed

6.9 sec in total

First Response

435 ms

Resources Loaded

5.9 sec

Page Rendered

598 ms

blacklight.ro screenshot

About Website

Welcome to blacklight.ro homepage info - get ready to check Black Light best content right away, or after learning these important things about blacklight.ro

Cu o expereiență de peste 30 de ani în domeniul geodeziei și măsurătorilor topografice, țelul companiei noastre fiind acela de a fi alături de dumneavoastră și a vă ajuta mereu în punerea în aplicare ...

Visit blacklight.ro

Key Findings

We analyzed Blacklight.ro page load time and found that the first response time was 435 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

blacklight.ro performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value19.7 s

0/100

10%

TBT (Total Blocking Time)

Value2,910 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.536

14/100

15%

TTI (Time to Interactive)

Value42.5 s

0/100

10%

Network Requests Diagram

blacklight.ro

435 ms

www.blacklight.ro

1234 ms

normalize.css

228 ms

bootstrap.css

355 ms

animate.css

353 ms

Our browser made a total of 196 requests to load all elements on the main page. We found that 83% of them (163 requests) were addressed to the original Blacklight.ro, 3% (6 requests) were made to Youtube.com and 2% (4 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Blacklight.ro.

Page Optimization Overview & Recommendations

Page size can be reduced by 777.1 kB (8%)

Content Size

9.3 MB

After Optimization

8.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blacklight.ro main page is 9.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 8.0 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 356.4 kB

  • Original 387.0 kB
  • After minification 230.6 kB
  • After compression 30.6 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 156.4 kB, which is 40% 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 356.4 kB or 92% of the original size.

Image Optimization

-4%

Potential reduce by 298.2 kB

  • Original 8.0 MB
  • After minification 7.7 MB

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. Black Light images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 45.3 kB

  • Original 674.4 kB
  • After minification 674.3 kB
  • After compression 629.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-37%

Potential reduce by 77.2 kB

  • Original 208.6 kB
  • After minification 191.1 kB
  • After compression 131.4 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. Blacklight.ro needs all CSS files to be minified and compressed as it can save up to 77.2 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (32%)

Requests Now

181

After Optimization

123

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 181 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Light. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blacklight.ro

blacklight.ro

435 ms

www.blacklight.ro

www.blacklight.ro

1234 ms

normalize.css

normalize.css

228 ms

bootstrap.css

bootstrap.css

355 ms

animate.css

animate.css

353 ms

lightbox.css

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361 ms

font-awesome.min.css

font-awesome.min.css

365 ms

style-main-page.css

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497 ms

responsive.css

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381 ms

slick-theme.css

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469 ms

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cookie.css

cookie.css

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style.css

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jquery-2.1.1.js

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763 ms

ok.png

ok.png

774 ms

c74796dd1eea7cb1bc709f923e953ca01f2bdfc3.jpeg

c74796dd1eea7cb1bc709f923e953ca01f2bdfc3.jpeg

780 ms

9a8a8eecc8ca94628bd265fc730b34cec4495b23.jpeg

9a8a8eecc8ca94628bd265fc730b34cec4495b23.jpeg

781 ms

search-icon.svg

search-icon.svg

747 ms

prev.png

prev.png

723 ms

next.png

next.png

781 ms

loading.gif

loading.gif

780 ms

close.png

close.png

775 ms

slider_arrow_left_simple.svg

slider_arrow_left_simple.svg

766 ms

slider_arrow_right_simple.svg

slider_arrow_right_simple.svg

756 ms

ajax-loader.gif

ajax-loader.gif

724 ms

log_event

log_event

16 ms

Accessibility Review

blacklight.ro accessibility score

84

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

Image elements do not have [alt] attributes

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

blacklight.ro best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

blacklight.ro SEO score

85

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

    RO

  • Language Claimed

    RO

  • Encoding

    UTF-8

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

blacklight.ro

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