Access tech-diving.ru. Дайвинг | дайвинг-центр | дайвинг снаряжение | обучение дайвингу

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value1,680 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

tech-diving.ru

656 ms

www.tech-diving.ru

1187 ms

styles.css

534 ms

shapka1.jpg

2696 ms

menu_delfin.jpg

735 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 80% of them (45 requests) were addressed to the original Tech-diving.ru, 11% (6 requests) were made to I.piccy.info and 4% (2 requests) were made to Divebanner.ru. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Tech-diving.ru.

Content Size

670.0 kB

After Optimization

613.6 kB

In fact, the total size of Tech-diving.ru main page is 670.0 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 617.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 33.4 kB

Original 44.3 kB
After minification 41.6 kB
After compression 10.8 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 33.4 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 16.5 kB

Original 617.6 kB
After minification 601.1 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. Tech Diving images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 237 B

Original 615 B
After minification 615 B
After compression 378 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 237 B or 39% of the original size.

CSS Optimization

-83%

Potential reduce by 6.2 kB

Original 7.5 kB
After minification 6.4 kB
After compression 1.3 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. Tech-diving.ru needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tech Diving. 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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tech-diving.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Tech-diving.ru main page’s claimed encoding is windows-1251. 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

tech-diving.ru

Open Graph description is not detected on the main page of Tech Diving. 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

Дайвинг | дайвинг-центр | дайвинг снаряжение | обучение дайвингу | дайвинг сертификаты

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

tech-diving.ru

www.tech-diving.ru

styles.css

shapka1.jpg

menu_delfin.jpg

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

tech-diving.ru

www.tech-diving.ru

styles.css

shapka1.jpg

menu_delfin.jpg

Cuba_banner.jpg

Diving_Safari_Belize.gif

Red_Sea_Dive_Guide_button.jpg

openWin.js

OMSsite_209_540.jpg

dfspbru1.gif

IMG_7046a_323_540.jpg

2U6A8850aaw313_540.jpg

jfvihrihaw540_405.jpg

IMG_7055aassww540.jpg

orca_norw_diving_ssssssssssdddddddd540_402.jpg

fon_block.jpg

Ocean_Management_Systems_GmbH_new_prices.jpg

sharks_diving_safari.jpg

1458131428.0.318668001458131428.jpg

1458131608.0.353599001458131608.jpg

1458129408.0.507211001458129408.jpg

Marble_2016_1.jpg

VL5400CX_VL3600w_underwater_light_for_photo_and_video.jpg

Diving_safari_Cocos_Island.jpg

1440447364.0.261649001440447364.jpg

1440432145.0.601046001440432145.jpg

1440432168.0.762375001440432168.jpg

Merry_Christmas_and_Happy_New_Year_my_dear_friends_2016.jpg

Ocean_Management_Systems_GmbH_discount.jpg

1451078350.0.895083001451078350.jpg

1451079025.0.148177001451079025.jpg

1451078638.0.308938001451078638.jpg

Lofoten_diving_orca.jpg

1450967885.0.785377001450967885.jpg

1450967901.0.035314001450967901.jpg

1450967921.0.543699001450967921.jpg

1450968834.0.996669001450968834.jpg

1450968784.0.918643001450968784.jpg

1450970151.0.154463001450970151.jpg

Lofoten_ORCA_diving.jpg

Side_Mount_System_ST.jpg

1447873650.0.451102001447873650.jpg