Update history
Version 14.2
October 17, 2025
New functionality
— Added the favicon generation tool.
— Added the favicon generation tool.
Version 14.1
October 15, 2025
New functionality
— An English version has appeared.
— An English version has appeared.
Version 14
October 6, 2025
New functionality
— The number of checks of various favicons has increased from 25 to 70.
— Favicon verification is available in the Page Verification tool.
— The number of checks of various favicons has increased from 25 to 70.
— Favicon verification is available in the Page Verification tool.
Version 13.2
September 25, 2025
New functionality
— (PRO) Check "Broken layout". Checks various signs of a broken adaptive layout.
— (PRO) Check "Broken layout". Checks various signs of a broken adaptive layout.
Version 13.1
August 20, 2025
New functionality
— Check "Blocking files". Often there are widgets of blocked social networks on the pages that block page loading.
— Check "Blocking files". Often there are widgets of blocked social networks on the pages that block page loading.
Version 13
August 17, 2025
New functionality
— A block with the total score and critical errors appeared in the page check. It allows you to instantly assess the situation and immediately decide on a further work plan.
General changes
— Change the project name to site-alarm.com
— A block with the total score and critical errors appeared in the page check. It allows you to instantly assess the situation and immediately decide on a further work plan.
General changes
— Change the project name to site-alarm.com
Version 12.1
July 21, 2025
New functionality
— Added a dictionary of acronyms for spelling checks and checking the title for the use of caps.
— Updated Russian and English dictionaries for spelling checks.
— Added a dictionary of acronyms for spelling checks and checking the title for the use of caps.
— Updated Russian and English dictionaries for spelling checks.
Version 12.0
July 16, 2025
New functionality
— Checking the "Matching language and hosting". Checks that the location of the site server matches the location of its target audience.
— The "HTTP Headers" check has been updated. Now, instead of 2 errors, it checks 12.
— The "Link format" check has been updated. Now, instead of 2 errors, it checks 12.
— (PRO) Checking for "SSL vulnerability". We check the popular vulnerabilities of your server's SSL connection.
— (PRO) Checking "Headers for security". We check the presence and content of HTTP headers that will increase the security of your site.
— (PRO) Check "Blocking requests to another country". Checks which foreign external services will delay page loading in case of Internet problems.
— Checking the "Matching language and hosting". Checks that the location of the site server matches the location of its target audience.
— The "HTTP Headers" check has been updated. Now, instead of 2 errors, it checks 12.
— The "Link format" check has been updated. Now, instead of 2 errors, it checks 12.
— (PRO) Checking for "SSL vulnerability". We check the popular vulnerabilities of your server's SSL connection.
— (PRO) Checking "Headers for security". We check the presence and content of HTTP headers that will increase the security of your site.
— (PRO) Check "Blocking requests to another country". Checks which foreign external services will delay page loading in case of Internet problems.
Version 11.0
July 7, 2025
New functionality
— Updated the Russian word database for spell checks. Now there are 3 times more words than in the dictionary, which is used, for example, in the browser.
— (PRO) Check "There is no image compression". We check that not 100 quality is used for JPEG and WEBP images.
— (PRO) Check "Video bitrate". We check that the video files have a moderate bitrate.
— (PRO) Check "Video Player". We check the video game pages for popular errors.
— (PRO) Checking the "Correct Mime Type of the file". We check the correspondence of the file extension and the specified Mime Type
Added functionality
— (PRO) The "Recompressed images" check now also checks the WEBP format in addition to JPEG.
— (PRO) Checking "Brand name in title" now checks for banal poorly remembered words that reduce recognition. It also tells you how to shorten the title so that the brand is visible.
— Updated the Russian word database for spell checks. Now there are 3 times more words than in the dictionary, which is used, for example, in the browser.
— (PRO) Check "There is no image compression". We check that not 100 quality is used for JPEG and WEBP images.
— (PRO) Check "Video bitrate". We check that the video files have a moderate bitrate.
— (PRO) Check "Video Player". We check the video game pages for popular errors.
— (PRO) Checking the "Correct Mime Type of the file". We check the correspondence of the file extension and the specified Mime Type
Added functionality
— (PRO) The "Recompressed images" check now also checks the WEBP format in addition to JPEG.
— (PRO) Checking "Brand name in title" now checks for banal poorly remembered words that reduce recognition. It also tells you how to shorten the title so that the brand is visible.
Version 10.0
June 26, 2025
— Revised tariffs.
New functionality
— Title check looking for more than 30 issues.
— Checking the content of the header, in terms of meaning.
— Viewing a report made under a PRO account is available without authorization.
— Add/Remove lazy Loading checks now check background images and poster for the video tag.
— Check the spelling of microdata Yandex and Google for fields of type text and html.
— For alt attributes, images have additional spelling, duplication, and maximum length checked.
— Check the spelling of CNC image file names. Including transliteration.
— (PRO) Spell checking for interface elements: buttons, form elements, elements with pointer cursor (clickable elements).
— (PRO) Checking the "Margins of images". Checks for white or transparent margins that can be trimmed.
— (PRO) Check "Recompressed images". The compression ratio of JPEG images is checked to make them look presentable.
— (PRO) Checking the "Size of text in pictures". It is checked that the text in the pictures is large enough for comfortable reading.
— (PRO) Check "Using WebP". Image size reduction is checked when using WebP format instead of JPEG, PNG and GIF
— (PRO) Checking the "Brand Name". The name of the brand/site in the header is checked, which is added to the end after a slash or dash.
Full Site Verification Tool
— Stop scanning function in full scan.
New functionality
— Title check looking for more than 30 issues.
— Checking the content of the header, in terms of meaning.
— Viewing a report made under a PRO account is available without authorization.
— Add/Remove lazy Loading checks now check background images and poster for the video tag.
— Check the spelling of microdata Yandex and Google for fields of type text and html.
— For alt attributes, images have additional spelling, duplication, and maximum length checked.
— Check the spelling of CNC image file names. Including transliteration.
— (PRO) Spell checking for interface elements: buttons, form elements, elements with pointer cursor (clickable elements).
— (PRO) Checking the "Margins of images". Checks for white or transparent margins that can be trimmed.
— (PRO) Check "Recompressed images". The compression ratio of JPEG images is checked to make them look presentable.
— (PRO) Checking the "Size of text in pictures". It is checked that the text in the pictures is large enough for comfortable reading.
— (PRO) Check "Using WebP". Image size reduction is checked when using WebP format instead of JPEG, PNG and GIF
— (PRO) Checking the "Brand Name". The name of the brand/site in the header is checked, which is added to the end after a slash or dash.
Full Site Verification Tool
— Stop scanning function in full scan.
Version 9.0
October 6, 2024
New functionality
— To check the size of images for different devices, we added an HTML and CSS code generator. It speeds up the work of putting the pictures on the page in order by 90%.
— New check for "Presence of sprites".
— Switched to a new CSS validator with support for experimental and cross-browser functions.
Full Site Verification Tool
— Expanded the list of sensitive files for security.
— To check the size of images for different devices, we added an HTML and CSS code generator. It speeds up the work of putting the pictures on the page in order by 90%.
— New check for "Presence of sprites".
— Switched to a new CSS validator with support for experimental and cross-browser functions.
Full Site Verification Tool
— Expanded the list of sensitive files for security.
Version 8.0
September 17, 2024
New functionality
— Checking the execution time of JavaScript code. Checks how long bulk scripts delay page loading.
— Detection of premature file downloads. Functionality that can and should be postponed for the sake of speeding up page loading.
— Checking the download speed of the server files when it is under load.
Page Verification Tool
— Acceleration of the service for devices with a small amount of RAM, in particular phones.
— Block "Errors in order of priority". Now the most pressing issues have been collected in one place for convenience.
— Visualization for a cursory assessment of the task. We provided most of the blocks with aggregated information so that we wouldn't have to look at the entire table with the report, and with a cursory glance we could assess the problem.
— Checking the execution time of JavaScript code. Checks how long bulk scripts delay page loading.
— Detection of premature file downloads. Functionality that can and should be postponed for the sake of speeding up page loading.
— Checking the download speed of the server files when it is under load.
Page Verification Tool
— Acceleration of the service for devices with a small amount of RAM, in particular phones.
— Block "Errors in order of priority". Now the most pressing issues have been collected in one place for convenience.
— Visualization for a cursory assessment of the task. We provided most of the blocks with aggregated information so that we wouldn't have to look at the entire table with the report, and with a cursory glance we could assess the problem.
Version 7.1
June 6, 2024
New functionality
— Checking for redirects when opening a page in the browser, which leads to incorrect scanning.
— Checking the operation of anti-DDOS protection during scanning. Now we are signaling this and showing a screenshot.
— Scan unused JavaScript for files larger than 2 megabytes. Now grouped files up to 15 megabytes in size will be scanned correctly.
— Displays a list of the most priority errors in the page check tool.
— Checking for redirects when opening a page in the browser, which leads to incorrect scanning.
— Checking the operation of anti-DDOS protection during scanning. Now we are signaling this and showing a screenshot.
— Scan unused JavaScript for files larger than 2 megabytes. Now grouped files up to 15 megabytes in size will be scanned correctly.
— Displays a list of the most priority errors in the page check tool.
Version 7.0
April 19, 2024
A number of visual improvements to make the report easier to read, more informative and more visual
— All information on the size of the pictures is displayed immediately, without the need to hover the cursor over the section. Added preview display for clarity.
— Instead of the XPath of the element, its brief HTML content is now displayed.
New functionality
— Installed SSL certificates of the Ministry of Digital Services.
— Improved support for international domains.
— All information on the size of the pictures is displayed immediately, without the need to hover the cursor over the section. Added preview display for clarity.
— Instead of the XPath of the element, its brief HTML content is now displayed.
New functionality
— Installed SSL certificates of the Ministry of Digital Services.
— Improved support for international domains.
Version 6.0
04 March 2024
New functionality
— Checking the line spacing.
— Added a new screen format — HD, size 1376x768 pixels.
— Checking the sufficient clarity of images is now calculated for the width of screens of 414 pixels instead of 375. This is how we will check the images for the vast majority of mobile devices.
— Smartphone support check is now calculated for a width of 360 pixels instead of 375. This is how we will check the adaptability of the layout for the vast majority of mobile devices.
— Checking the line spacing.
— Added a new screen format — HD, size 1376x768 pixels.
— Checking the sufficient clarity of images is now calculated for the width of screens of 414 pixels instead of 375. This is how we will check the images for the vast majority of mobile devices.
— Smartphone support check is now calculated for a width of 360 pixels instead of 375. This is how we will check the adaptability of the layout for the vast majority of mobile devices.
Version 5.1
February 22, 2024
New functionality
— Export the page inspection report to PDF.
— Export the entire site inspection report to PDF.
— Export the page inspection report to PDF.
— Export the entire site inspection report to PDF.
Version 5.0
February 16, 2024
New functionality
— Checking the Yandex micro markup.
— Location and content of meta tags H1-H6.
— Checking the Yandex micro markup.
— Location and content of meta tags H1-H6.
Version 4.0
November 07, 2023
Updating tariffs
— A PRO subscription has appeared.
— There is a subscription for a full scan of the site, which can be used repeatedly for a long period.
— A PRO subscription has appeared.
— There is a subscription for a full scan of the site, which can be used repeatedly for a long period.
Version 3.1
July 22, 2023
New functionality
— An intelligent page scanning system is implemented in PRO check. First, the highest priority HTML pages of the site are scanned.
Corrections
— General acceleration of work.
— An intelligent page scanning system is implemented in PRO check. First, the highest priority HTML pages of the site are scanned.
Corrections
— General acceleration of work.
Version 3.0
May 19, 2023
A new tool
— JavaScript Code Cleaner
New functionality
— Sufficient text color contrast for comfortable reading
— Sufficient text size for comfortable reading
— Unused JavaScript
— Antiviruses
— Vulnerable JavaScript code
— Using HTTP2
— Download duplicate files
— Recommendations for using lazy loading
— Jumping images when loading
— Format of animated images
— Font display strategy
— Annoying pop-up messages
— Using JavaScript facades
— Pre-connection and pre-download of files
— Redirects performed by JavaScript code
— hreflang and canonical tags
— Redirection from/to the www version of the domain
— Various HTTP headers
— Erroneous image expansion and corrupted images
— JavaScript Code Cleaner
New functionality
— Sufficient text color contrast for comfortable reading
— Sufficient text size for comfortable reading
— Unused JavaScript
— Antiviruses
— Vulnerable JavaScript code
— Using HTTP2
— Download duplicate files
— Recommendations for using lazy loading
— Jumping images when loading
— Format of animated images
— Font display strategy
— Annoying pop-up messages
— Using JavaScript facades
— Pre-connection and pre-download of files
— Redirects performed by JavaScript code
— hreflang and canonical tags
— Redirection from/to the www version of the domain
— Various HTTP headers
— Erroneous image expansion and corrupted images
Version 2.2
February 21, 2023
Corrections
— The algorithm for calculating the number of errors displayed in statistics has been adjusted.
— Optimization for punycode domains. Both variations of domains "stick together" and are perceived as one link. This saves limits when checking.
— The algorithm for calculating the number of errors displayed in statistics has been adjusted.
— Optimization for punycode domains. Both variations of domains "stick together" and are perceived as one link. This saves limits when checking.
Version 2.1
February 19, 2023
Corrections
— Images uploaded from external sources (including CDN) are now displayed in reports.
— The JSON embedded in the page is checked for the possibility of minification.
— Background images are now involved in checking the number of images on the page.
— Images uploaded from external sources (including CDN) are now displayed in reports.
— The JSON embedded in the page is checked for the possibility of minification.
— Background images are now involved in checking the number of images on the page.
Version 2.0
February 11, 2023
New features
— Scanning in multiple threads with the loading of multiple cores. Acceleration is more than 2 times.
— Reports for all tools are available via a direct link. Now you can send a link to the page with the finished report in the messenger.
— Added checking for cross-JavaScript files by analogy with CSS.
— In the PRO report, fully cleaned CSS files are available for download, based on the content of all pages of the site.
— In the PRO report, you can display 10, 25 or 100 rows in a table.
— A Summary page has been added to the PRO report. It presents various information for the convenience of specialists.
Corrections
— Improved filtering of duplicate pages. For example, links with a slash and without a slash at the end will be considered one page and scanned 1 time. This will save a quota on your tariff.
— Scanning in multiple threads with the loading of multiple cores. Acceleration is more than 2 times.
— Reports for all tools are available via a direct link. Now you can send a link to the page with the finished report in the messenger.
— Added checking for cross-JavaScript files by analogy with CSS.
— In the PRO report, fully cleaned CSS files are available for download, based on the content of all pages of the site.
— In the PRO report, you can display 10, 25 or 100 rows in a table.
— A Summary page has been added to the PRO report. It presents various information for the convenience of specialists.
Corrections
— Improved filtering of duplicate pages. For example, links with a slash and without a slash at the end will be considered one page and scanned 1 time. This will save a quota on your tariff.
Version 1.0
January 24, 2023
General stabilization of work under high loads.
New features
— Checking the size of the background image. So that it is not blurry and not too big.
— Support 4K monitors.
— Checking the optimization of SVG sprites.
— Highlighting the syntax of CSS and JS files when viewing them.
— CSS cleaner. You can download a version with commented sections of unused code.
Corrections
— Improved interface responsiveness checking.
New features
— Checking the size of the background image. So that it is not blurry and not too big.
— Support 4K monitors.
— Checking the optimization of SVG sprites.
— Highlighting the syntax of CSS and JS files when viewing them.
— CSS cleaner. You can download a version with commented sections of unused code.
Corrections
— Improved interface responsiveness checking.